/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:14:13,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:14:13,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:14:13,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 11:14:13,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 11:14:13,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 11:14:13,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 11:14:13,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 11:14:13,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 11:14:13,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 11:14:13,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 11:14:13,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 11:14:13,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:14:13,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:14:13,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:14:13,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:14:13,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:14:13,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:14:13,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:14:13,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:14:13,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:14:13,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:14:13,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:14:13,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:14:13,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 11:14:13,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-01 11:14:13,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:14:13,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:14:13,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:14:13,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:14:13,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:14:13,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:14:13,887 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:14:13,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:14:13,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:14:13,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:14:13,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:14:13,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:14:13,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:14:13,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:14:13,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:14:13,890 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:14:13,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:14:14,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:14:14,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:14:14,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:14:14,163 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:14:14,170 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:14:14,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl [2021-07-01 11:14:14,172 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert06.bpl' [2021-07-01 11:14:14,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:14:14,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:14:14,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:14:14,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:14:14,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:14:14,242 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,247 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:14:14,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:14:14,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:14:14,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:14:14,267 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,267 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,268 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,269 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,271 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,273 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,273 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 11:14:14" (1/1) ... [2021-07-01 11:14:14,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:14:14,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:14:14,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:14:14,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:14:14,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:14:14" (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 11:14:14,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:14:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:14:14,343 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:14:14,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:14:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:14:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:14:14,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:14:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:14:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:14:14,346 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 11:14:14,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:14:14,473 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 11:14:14,473 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:14:14,474 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:14:14 BoogieIcfgContainer [2021-07-01 11:14:14,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:14:14,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:14:14,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:14:14,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:14:14,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:14:14" (1/2) ... [2021-07-01 11:14:14,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2063d1e5 and model type bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:14:14, skipping insertion in model container [2021-07-01 11:14:14,478 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 11:14:14" (2/2) ... [2021-07-01 11:14:14,479 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert06.bpl [2021-07-01 11:14:14,482 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:14:14,483 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:14:14,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:14:14,483 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:14:14,511 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:14:14,526 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 11:14:14,564 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:14:14,565 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:14:14,565 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:14:14,565 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:14:14,565 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:14:14,565 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:14:14,565 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:14:14,565 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 11:14:14,676 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:14,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1724388391, now seen corresponding path program 1 times [2021-07-01 11:14:14,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:14,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328818846] [2021-07-01 11:14:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:14,853 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 11:14:14,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:14,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328818846] [2021-07-01 11:14:14,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328818846] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:14:14,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:14:14,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 11:14:14,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855621445] [2021-07-01 11:14:14,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:14:14,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:14,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:14:14,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:14:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:14,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:14,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 11:14:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:14,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:14,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:14:14,945 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:14,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:14,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1029266953, now seen corresponding path program 1 times [2021-07-01 11:14:14,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:14,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080790050] [2021-07-01 11:14:14,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:14,985 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 11:14:14,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:14,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080790050] [2021-07-01 11:14:14,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080790050] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:14:14,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:14:14,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:14:14,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75244149] [2021-07-01 11:14:14,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:14:14,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:14,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:14:14,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:14:14,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:14,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:14,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 11:14:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:15,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:14:15,263 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:15,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:15,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1844135425, now seen corresponding path program 1 times [2021-07-01 11:14:15,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:15,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000168377] [2021-07-01 11:14:15,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:14:15,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:15,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000168377] [2021-07-01 11:14:15,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000168377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:15,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667642115] [2021-07-01 11:14:15,350 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 11:14:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:15,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-01 11:14:15,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:14:15,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667642115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:15,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:15,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2021-07-01 11:14:15,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047381164] [2021-07-01 11:14:15,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-01 11:14:15,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:15,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-01 11:14:15,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-07-01 11:14:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:15,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:15,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 11:14:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:15,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:15,943 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:15,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:15,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1402863495, now seen corresponding path program 1 times [2021-07-01 11:14:15,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:15,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441959804] [2021-07-01 11:14:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:14:15,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:15,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441959804] [2021-07-01 11:14:15,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441959804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:15,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771330480] [2021-07-01 11:14:15,989 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) [2021-07-01 11:14:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:16,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-01 11:14:16,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:14:16,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771330480] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:16,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:16,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:14:16,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008879873] [2021-07-01 11:14:16,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:14:16,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:16,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:14:16,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:14:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:16,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:16,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:14:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:16,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:16,425 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1450565004, now seen corresponding path program 1 times [2021-07-01 11:14:16,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:16,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702167259] [2021-07-01 11:14:16,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:14:16,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:16,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702167259] [2021-07-01 11:14:16,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702167259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:16,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411792342] [2021-07-01 11:14:16,536 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 11:14:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:16,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-01 11:14:16,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:16,641 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 11:14:16,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411792342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:16,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:16,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-07-01 11:14:16,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006542929] [2021-07-01 11:14:16,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 11:14:16,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:16,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 11:14:16,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-07-01 11:14:16,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:16,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:16,642 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 11:14:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:16,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:16,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:17,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:17,213 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:17,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:17,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1679109743, now seen corresponding path program 1 times [2021-07-01 11:14:17,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:17,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377156655] [2021-07-01 11:14:17,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 11:14:17,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:17,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377156655] [2021-07-01 11:14:17,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377156655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:17,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423298383] [2021-07-01 11:14:17,288 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 11:14:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:17,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-01 11:14:17,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 11:14:17,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423298383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:17,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:17,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:14:17,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068571187] [2021-07-01 11:14:17,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:14:17,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:17,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:14:17,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:14:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:17,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:17,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:14:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:18,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 11:14:18,091 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash -709707717, now seen corresponding path program 1 times [2021-07-01 11:14:18,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:18,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817904543] [2021-07-01 11:14:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:14:18,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:18,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817904543] [2021-07-01 11:14:18,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817904543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:18,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091643672] [2021-07-01 11:14:18,156 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 11:14:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:18,183 WARN L261 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-01 11:14:18,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:14:18,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091643672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:18,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:18,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 14 [2021-07-01 11:14:18,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349405920] [2021-07-01 11:14:18,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:14:18,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:18,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:14:18,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:14:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:18,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:18,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 14 states have internal predecessors, (65), 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 11:14:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:19,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:19,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:19,314 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:19,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:19,314 INFO L82 PathProgramCache]: Analyzing trace with hash 976855331, now seen corresponding path program 1 times [2021-07-01 11:14:19,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:19,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595000025] [2021-07-01 11:14:19,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-01 11:14:19,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:19,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595000025] [2021-07-01 11:14:19,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595000025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:19,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131077760] [2021-07-01 11:14:19,391 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 11:14:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:19,427 WARN L261 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-01 11:14:19,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-01 11:14:19,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131077760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:19,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:19,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-01 11:14:19,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016807475] [2021-07-01 11:14:19,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:14:19,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:19,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:14:19,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:14:19,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:19,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:19,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:19,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:14:22,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:22,981 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:22,981 INFO L82 PathProgramCache]: Analyzing trace with hash -810283983, now seen corresponding path program 1 times [2021-07-01 11:14:22,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:22,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551670084] [2021-07-01 11:14:22,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-01 11:14:23,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:23,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551670084] [2021-07-01 11:14:23,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551670084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:23,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774582894] [2021-07-01 11:14:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:23,128 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-01 11:14:23,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-01 11:14:23,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774582894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:23,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:23,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 11:14:23,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453074800] [2021-07-01 11:14:23,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-01 11:14:23,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:23,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-01 11:14:23,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-07-01 11:14:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:23,228 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:23,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:14:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:14:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:29,031 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-01 11:14:29,032 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:29,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:29,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1304264421, now seen corresponding path program 1 times [2021-07-01 11:14:29,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:29,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711921724] [2021-07-01 11:14:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:14:29,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:29,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711921724] [2021-07-01 11:14:29,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711921724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:29,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346638167] [2021-07-01 11:14:29,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:29,361 WARN L261 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-01 11:14:29,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-01 11:14:29,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346638167] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:29,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:29,470 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 16 [2021-07-01 11:14:29,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005395339] [2021-07-01 11:14:29,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-01 11:14:29,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-01 11:14:29,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-07-01 11:14:29,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:29,471 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:29,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:14:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:14:49,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:49,253 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:14:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:14:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash -206583715, now seen corresponding path program 1 times [2021-07-01 11:14:49,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:14:49,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719372607] [2021-07-01 11:14:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:14:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-01 11:14:49,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:14:49,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719372607] [2021-07-01 11:14:49,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719372607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:49,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420459269] [2021-07-01 11:14:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:14:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:14:49,470 WARN L261 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-01 11:14:49,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:14:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-01 11:14:49,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420459269] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:14:49,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:14:49,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-07-01 11:14:49,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424621331] [2021-07-01 11:14:49,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-01 11:14:49,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:14:49,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-01 11:14:49,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-07-01 11:14:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:14:49,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:14:49,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:14:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:15:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-01 11:15:14,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-01 11:15:14,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:15:14,611 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 11:15:14,613 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:15:14,627 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:15:14,627 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:15:14,627 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:15:14,627 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:15:14,627 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:15:14,627 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:15:14,627 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:15:14,627 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:15:16,023 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 11:15:16,024 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:15:16,025 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:15:16 BasicIcfg [2021-07-01 11:15:16,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:15:16,026 INFO L168 Benchmark]: Toolchain (without parser) took 61812.47 ms. Allocated memory was 227.5 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 207.0 MB in the beginning and 6.0 GB in the end (delta: -5.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-07-01 11:15:16,026 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 227.5 MB. Free memory is still 208.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:15:16,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 227.5 MB. Free memory was 206.8 MB in the beginning and 205.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:15:16,026 INFO L168 Benchmark]: Boogie Preprocessor took 13.20 ms. Allocated memory is still 227.5 MB. Free memory was 205.1 MB in the beginning and 204.2 MB in the end (delta: 950.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:15:16,026 INFO L168 Benchmark]: RCFGBuilder took 198.31 ms. Allocated memory is still 227.5 MB. Free memory was 204.2 MB in the beginning and 191.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:15:16,026 INFO L168 Benchmark]: TraceAbstraction took 61549.96 ms. Allocated memory was 227.5 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 190.7 MB in the beginning and 6.0 GB in the end (delta: -5.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-07-01 11:15:16,027 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 0.17 ms. Allocated memory is still 227.5 MB. Free memory is still 208.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 227.5 MB. Free memory was 206.8 MB in the beginning and 205.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.20 ms. Allocated memory is still 227.5 MB. Free memory was 205.1 MB in the beginning and 204.2 MB in the end (delta: 950.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 198.31 ms. Allocated memory is still 227.5 MB. Free memory was 204.2 MB in the beginning and 191.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 61549.96 ms. Allocated memory was 227.5 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 190.7 MB in the beginning and 6.0 GB in the end (delta: -5.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12872351, positive: 11989181, positive conditional: 11989181, positive unconditional: 0, negative: 883170, negative conditional: 883170, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12251623, positive: 11989181, positive conditional: 11989181, positive unconditional: 0, negative: 262442, negative conditional: 262442, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12251623, positive: 9931974, positive conditional: 0, positive unconditional: 9931974, negative: 2319649, negative conditional: 0, negative unconditional: 2319649, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 587, positive: 495, positive conditional: 0, positive unconditional: 495, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 587, positive: 417, positive conditional: 0, positive unconditional: 417, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 170, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12251623, positive: 9931479, positive conditional: 0, positive unconditional: 9931479, negative: 2319557, negative conditional: 0, negative unconditional: 2319557, unknown: 587, unknown conditional: 0, unknown unconditional: 587] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810, SemanticConditionEliminator.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10173993, positive: 2057207, positive conditional: 2057207, positive unconditional: 0, negative: 8116786, negative conditional: 1661976, negative unconditional: 6454810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2264, positive: 1436, positive conditional: 1358, positive unconditional: 78, negative: 828, negative conditional: 736, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2281, positive: 1504, positive conditional: 1380, positive unconditional: 124, negative: 777, negative conditional: 622, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10173993, positive: 2055849, positive conditional: 2055849, positive unconditional: 0, negative: 8116050, negative conditional: 1661240, negative unconditional: 6454810, unknown: 2094, unknown conditional: 2094, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2681, Positive cache size: 1853, Positive conditional cache size: 1358, Positive unconditional cache size: 495, Negative cache size: 828, Negative conditional cache size: 736, Negative unconditional cache size: 92, Eliminated conditions: 6454810 ], Maximal queried relation: 11, Independence queries for same thread: 620728 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 630850, positive: 446277, positive conditional: 446277, positive unconditional: 0, negative: 184573, negative conditional: 184573, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 571107, positive: 446277, positive conditional: 446277, positive unconditional: 0, negative: 124830, negative conditional: 124830, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 571107, positive: 446277, positive conditional: 0, positive unconditional: 446277, negative: 124830, negative conditional: 0, negative unconditional: 124830, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 495, positive: 395, positive conditional: 0, positive unconditional: 395, 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: 495, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, positive: 60, positive conditional: 0, positive unconditional: 60, 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: 160, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 571107, positive: 445882, positive conditional: 0, positive unconditional: 445882, negative: 124730, negative conditional: 0, negative unconditional: 124730, unknown: 495, unknown conditional: 0, unknown unconditional: 495] , Statistics on independence cache: Total cache size (in pairs): 495, Positive cache size: 395, Positive conditional cache size: 0, Positive unconditional cache size: 395, Negative cache size: 100, Negative conditional cache size: 0, Negative unconditional cache size: 100 ], Maximal queried relation: 0, Independence queries for same thread: 59743 - 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: 60072.4ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 55518.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 96, 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: 55.0ms SsaConstructionTime, 434.0ms SatisfiabilityAnalysisTime, 1682.8ms InterpolantComputationTime, 824 NumberOfCodeBlocks, 824 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 5057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 451 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 196/698 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: 1410.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 1394.6ms, 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...