/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:27:42,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:27:42,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:27:42,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:27:42,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:27:42,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:27:42,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:27:42,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:27:42,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:27:42,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:27:42,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:27:42,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:27:42,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:27:42,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:27:42,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:27:42,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:27:42,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 11:27:42,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-07-01 11:27:42,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:27:42,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:27:42,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:27:42,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:27:42,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:27:42,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:27:42,931 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:27:42,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:27:42,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:27:42,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:27:42,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:27:42,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:27:42,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:27:42,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:27:42,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:27:42,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:42,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:27:42,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:27:42,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:27:42,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:27:42,935 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:27:43,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:27:43,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:27:43,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:27:43,176 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:27:43,178 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:27:43,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl [2021-07-01 11:27:43,178 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl' [2021-07-01 11:27:43,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:27:43,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:27:43,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:43,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:27:43,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:27:43,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:43,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:27:43,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:27:43,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:27:43,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... [2021-07-01 11:27:43,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:27:43,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:27:43,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:27:43,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:27:43,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:43,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:27:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:27:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:27:43,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:27:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:27:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:27:43,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:27:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:27:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:27:43,440 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:27:43,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:27:43,735 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 11:27:43,736 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:27:43,737 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:43 BoogieIcfgContainer [2021-07-01 11:27:43,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:27:43,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:27:43,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:27:43,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:27:43,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:43" (1/2) ... [2021-07-01 11:27:43,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff99aa1 and model type bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:43, skipping insertion in model container [2021-07-01 11:27:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:43" (2/2) ... [2021-07-01 11:27:43,742 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert06.bpl [2021-07-01 11:27:43,770 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:27:43,770 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:27:43,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:27:43,771 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:27:43,842 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:27:43,882 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 11:27:44,014 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:27:44,014 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:27:44,015 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:27:44,015 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:27:44,015 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:27:44,015 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:27:44,015 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:27:44,015 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 11:27:44,118 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:44,121 INFO L82 PathProgramCache]: Analyzing trace with hash 58620705, now seen corresponding path program 1 times [2021-07-01 11:27:44,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:44,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719742088] [2021-07-01 11:27:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:44,289 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 11:27:44,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:44,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719742088] [2021-07-01 11:27:44,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719742088] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:44,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:44,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:27:44,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90856032] [2021-07-01 11:27:44,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:27:44,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:44,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:27:44,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:27:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:44,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:44,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 11:27:44,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:44,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:27:44,339 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:44,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:44,339 INFO L82 PathProgramCache]: Analyzing trace with hash -2024517613, now seen corresponding path program 1 times [2021-07-01 11:27:44,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:44,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736041414] [2021-07-01 11:27:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:44,395 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 11:27:44,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:44,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736041414] [2021-07-01 11:27:44,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736041414] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:44,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:44,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 11:27:44,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516093912] [2021-07-01 11:27:44,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:27:44,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:44,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:27:44,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:27:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:44,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:44,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11:27:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:44,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:27:44,760 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:44,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:44,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1780375720, now seen corresponding path program 1 times [2021-07-01 11:27:44,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:44,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145595582] [2021-07-01 11:27:44,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:44,846 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 11:27:44,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:44,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145595582] [2021-07-01 11:27:44,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145595582] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:44,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:44,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:27:44,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537387529] [2021-07-01 11:27:44,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:27:44,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:44,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:27:44,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:27:44,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:44,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:44,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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 11:27:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:45,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:27:45,171 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:45,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:45,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1741552543, now seen corresponding path program 1 times [2021-07-01 11:27:45,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:45,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109963627] [2021-07-01 11:27:45,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:27:45,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:45,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109963627] [2021-07-01 11:27:45,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109963627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:45,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125832944] [2021-07-01 11:27:45,225 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 11:27:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:45,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 11:27:45,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:27:45,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125832944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:45,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:45,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:27:45,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197108900] [2021-07-01 11:27:45,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:27:45,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:45,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:27:45,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:27:45,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:45,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:45,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 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 11:27:45,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:45,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:45,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:45,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:45,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:45,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:45,848 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash 276576712, now seen corresponding path program 1 times [2021-07-01 11:27:45,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:45,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862900777] [2021-07-01 11:27:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:27:45,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:45,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862900777] [2021-07-01 11:27:45,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862900777] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:45,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76632495] [2021-07-01 11:27:45,920 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 11:27:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:45,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-01 11:27:45,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:27:46,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76632495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:46,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:46,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-07-01 11:27:46,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136604515] [2021-07-01 11:27:46,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 11:27:46,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:46,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 11:27:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:27:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:46,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:46,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 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 11:27:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:46,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:46,707 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:46,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:46,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1900338096, now seen corresponding path program 1 times [2021-07-01 11:27:46,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:46,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075341665] [2021-07-01 11:27:46,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:27:46,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:46,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075341665] [2021-07-01 11:27:46,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075341665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:46,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33303170] [2021-07-01 11:27:46,789 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 11:27:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-01 11:27:46,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:27:46,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33303170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:46,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:46,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:27:46,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327553234] [2021-07-01 11:27:46,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:27:46,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:46,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:27:46,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:27:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:46,867 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:46,867 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 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 11:27:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:47,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:47,412 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:47,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:47,412 INFO L82 PathProgramCache]: Analyzing trace with hash 219732450, now seen corresponding path program 1 times [2021-07-01 11:27:47,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:47,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218580162] [2021-07-01 11:27:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:27:47,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:47,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218580162] [2021-07-01 11:27:47,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218580162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:47,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825602204] [2021-07-01 11:27:47,472 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 11:27:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:47,500 WARN L261 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-01 11:27:47,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:27:47,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825602204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:47,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:47,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 14 [2021-07-01 11:27:47,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958855004] [2021-07-01 11:27:47,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:27:47,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:47,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:27:47,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:27:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:47,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:47,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 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 11:27:47,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:47,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:47,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:47,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:47,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:47,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:47,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:48,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-01 11:27:48,339 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:48,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:48,339 INFO L82 PathProgramCache]: Analyzing trace with hash -630513024, now seen corresponding path program 1 times [2021-07-01 11:27:48,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:48,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968438376] [2021-07-01 11:27:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:27:48,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:48,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968438376] [2021-07-01 11:27:48,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968438376] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:48,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097685973] [2021-07-01 11:27:48,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:48,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-01 11:27:48,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:27:48,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097685973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:48,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:48,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-01 11:27:48,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147787375] [2021-07-01 11:27:48,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:27:48,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:48,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:27:48,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:27:48,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:48,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:48,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:48,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:27:51,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:51,157 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:51,157 INFO L82 PathProgramCache]: Analyzing trace with hash -429020160, now seen corresponding path program 1 times [2021-07-01 11:27:51,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:51,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365807807] [2021-07-01 11:27:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:27:51,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:51,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365807807] [2021-07-01 11:27:51,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365807807] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:51,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557570427] [2021-07-01 11:27:51,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:51,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-01 11:27:51,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:27:51,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557570427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:51,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:51,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 11:27:51,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38849373] [2021-07-01 11:27:51,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-01 11:27:51,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:51,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-01 11:27:51,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-07-01 11:27:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:51,360 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:51,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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 11:27:51,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:27:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:28:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:28:01,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:28:01,063 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 11:28:01,064 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:28:01,081 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:28:01,081 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:28:01,081 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:28:01,081 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:28:01,081 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:28:01,081 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:28:01,081 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:28:01,081 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:28:02,772 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 11:28:02,772 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:28:02,774 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:28:02 BasicIcfg [2021-07-01 11:28:02,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:28:02,775 INFO L168 Benchmark]: Toolchain (without parser) took 19535.91 ms. Allocated memory was 189.8 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 169.0 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 967.2 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:02,775 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 189.8 MB. Free memory is still 170.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:28:02,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.96 ms. Allocated memory is still 189.8 MB. Free memory was 168.9 MB in the beginning and 167.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:02,776 INFO L168 Benchmark]: Boogie Preprocessor took 11.06 ms. Allocated memory is still 189.8 MB. Free memory was 167.1 MB in the beginning and 166.2 MB in the end (delta: 856.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:02,776 INFO L168 Benchmark]: RCFGBuilder took 421.89 ms. Allocated memory is still 189.8 MB. Free memory was 166.2 MB in the beginning and 153.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:02,776 INFO L168 Benchmark]: TraceAbstraction took 19035.95 ms. Allocated memory was 189.8 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 152.7 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 951.4 MB. Max. memory is 8.0 GB. [2021-07-01 11:28:02,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 189.8 MB. Free memory is still 170.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.96 ms. Allocated memory is still 189.8 MB. Free memory was 168.9 MB in the beginning and 167.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.06 ms. Allocated memory is still 189.8 MB. Free memory was 167.1 MB in the beginning and 166.2 MB in the end (delta: 856.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 421.89 ms. Allocated memory is still 189.8 MB. Free memory was 166.2 MB in the beginning and 153.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19035.95 ms. Allocated memory was 189.8 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 152.7 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 951.4 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: 1863133, positive: 1714884, positive conditional: 1714884, positive unconditional: 0, negative: 148249, negative conditional: 148249, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1743869, positive: 1714884, positive conditional: 1714884, positive unconditional: 0, negative: 28985, negative conditional: 28985, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1743869, positive: 1475095, positive conditional: 0, positive unconditional: 1475095, negative: 268774, negative conditional: 0, negative unconditional: 268774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 601, positive: 505, positive conditional: 0, positive unconditional: 505, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 601, positive: 423, positive conditional: 0, positive unconditional: 423, negative: 178, negative conditional: 0, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 178, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1743869, positive: 1474590, positive conditional: 0, positive unconditional: 1474590, negative: 268678, negative conditional: 0, negative unconditional: 268678, unknown: 601, unknown conditional: 0, unknown unconditional: 601] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627, SemanticConditionEliminator.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804894, positive: 239789, positive conditional: 239789, positive unconditional: 0, negative: 565105, negative conditional: 186478, negative unconditional: 378627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1346, positive: 717, positive conditional: 635, positive unconditional: 82, negative: 629, negative conditional: 533, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1998, positive: 1328, positive conditional: 1177, positive unconditional: 151, negative: 670, negative conditional: 504, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 804894, positive: 239154, positive conditional: 239154, positive unconditional: 0, negative: 564572, negative conditional: 185945, negative unconditional: 378627, unknown: 1168, unknown conditional: 1168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 1140, Positive conditional cache size: 635, Positive unconditional cache size: 505, Negative cache size: 629, Negative conditional cache size: 533, Negative unconditional cache size: 96, Eliminated conditions: 378627 ], Maximal queried relation: 9, Independence queries for same thread: 119264 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 694010, positive: 479224, positive conditional: 479224, positive unconditional: 0, negative: 214786, negative conditional: 214786, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 624681, positive: 479224, positive conditional: 479224, positive unconditional: 0, negative: 145457, negative conditional: 145457, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 624681, positive: 479224, positive conditional: 0, positive unconditional: 479224, negative: 145457, negative conditional: 0, negative unconditional: 145457, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 502, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 502, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 158, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 624681, positive: 478822, positive conditional: 0, positive unconditional: 478822, negative: 145357, negative conditional: 0, negative unconditional: 145357, unknown: 502, unknown conditional: 0, unknown unconditional: 502] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 402, Positive conditional cache size: 0, Positive unconditional cache size: 402, Negative cache size: 100, Negative conditional cache size: 0, Negative unconditional cache size: 100 ], Maximal queried relation: 0, Independence queries for same thread: 69329 - PositiveResult [Line: 75]: 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 10 procedures, 57 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17145.1ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 14179.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 69, 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: 34.8ms SsaConstructionTime, 148.4ms SatisfiabilityAnalysisTime, 1079.2ms InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 2708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 35/136 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 10 procedures, 57 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1708.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 1689.0ms, 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...