/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 01:14:28,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 01:14:28,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 01:14:28,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 01:14:28,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-02 01:14:28,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 01:14:28,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 01:14:28,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 01:14:28,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 01:14:28,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 01:14:28,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 01:14:28,826 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 01:14:28,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 01:14:28,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 01:14:28,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 01:14:28,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 01:14:28,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 01:14:28,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 01:14:28,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 01:14:28,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 01:14:28,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 01:14:28,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 01:14:28,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 01:14:28,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-02 01:14:28,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 01:14:29,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 01:14:29,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 01:14:29,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 01:14:29,077 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 01:14:29,078 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 01:14:29,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl [2021-06-02 01:14:29,079 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl' [2021-06-02 01:14:29,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 01:14:29,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 01:14:29,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 01:14:29,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 01:14:29,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 01:14:29,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 01:14:29,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 01:14:29,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 01:14:29,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 01:14:29,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... [2021-06-02 01:14:29,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 01:14:29,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 01:14:29,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 01:14:29,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 01:14:29,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 01:14:29,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 01:14:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 01:14:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 01:14:29,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 01:14:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 01:14:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 01:14:29,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 01:14:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 01:14:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 01:14:29,205 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 01:14:29,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 01:14:29,370 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 01:14:29,371 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 01:14:29 BoogieIcfgContainer [2021-06-02 01:14:29,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 01:14:29,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 01:14:29,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 01:14:29,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 01:14:29,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:14:29" (1/2) ... [2021-06-02 01:14:29,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2a1da0 and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 01:14:29, skipping insertion in model container [2021-06-02 01:14:29,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 01:14:29" (2/2) ... [2021-06-02 01:14:29,375 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-06-02 01:14:29,379 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 01:14:29,379 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 01:14:29,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 01:14:29,379 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 01:14:29,398 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-02 01:14:29,413 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 01:14:29,452 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 01:14:29,452 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 01:14:29,452 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 01:14:29,452 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 01:14:29,452 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 01:14:29,452 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 01:14:29,452 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 01:14:29,452 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 01:14:29,527 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:29,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:29,531 INFO L82 PathProgramCache]: Analyzing trace with hash 556383795, now seen corresponding path program 1 times [2021-06-02 01:14:29,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:29,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538967439] [2021-06-02 01:14:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:29,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:29,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538967439] [2021-06-02 01:14:29,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538967439] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:14:29,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 01:14:29,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 01:14:29,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088661455] [2021-06-02 01:14:29,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 01:14:29,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:29,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 01:14:29,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 01:14:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:29,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:29,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:29,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:29,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 01:14:29,738 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:29,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:29,741 INFO L82 PathProgramCache]: Analyzing trace with hash 561488305, now seen corresponding path program 1 times [2021-06-02 01:14:29,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:29,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88854545] [2021-06-02 01:14:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 01:14:29,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:29,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88854545] [2021-06-02 01:14:29,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88854545] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:14:29,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 01:14:29,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 01:14:29,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128648156] [2021-06-02 01:14:29,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 01:14:29,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:29,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 01:14:29,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 01:14:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:29,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:29,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:29,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:29,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:29,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:29,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 01:14:29,831 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:29,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:29,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1689660735, now seen corresponding path program 1 times [2021-06-02 01:14:29,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:29,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846293699] [2021-06-02 01:14:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:30,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:30,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846293699] [2021-06-02 01:14:30,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846293699] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:30,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316553859] [2021-06-02 01:14:30,033 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 [2021-06-02 01:14:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:30,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-02 01:14:30,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:30,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316553859] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:30,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:30,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-02 01:14:30,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735925968] [2021-06-02 01:14:30,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-02 01:14:30,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:30,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-02 01:14:30,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-06-02 01:14:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:30,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:30,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:30,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:30,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:30,885 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:30,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:30,886 INFO L82 PathProgramCache]: Analyzing trace with hash -152537733, now seen corresponding path program 2 times [2021-06-02 01:14:30,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:30,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147697186] [2021-06-02 01:14:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:31,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:31,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147697186] [2021-06-02 01:14:31,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147697186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:31,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363304199] [2021-06-02 01:14:31,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:31,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:14:31,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:14:31,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-02 01:14:31,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:31,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363304199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:31,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:31,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-02 01:14:31,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537472178] [2021-06-02 01:14:31,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-02 01:14:31,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:31,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-02 01:14:31,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-06-02 01:14:31,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:31,462 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:31,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.92) internal successors, (48), 24 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) [2021-06-02 01:14:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:31,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:31,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:31,946 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:31,946 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:31,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:31,947 INFO L82 PathProgramCache]: Analyzing trace with hash 659718333, now seen corresponding path program 3 times [2021-06-02 01:14:31,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:31,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846406244] [2021-06-02 01:14:31,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:32,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:32,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846406244] [2021-06-02 01:14:32,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846406244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:32,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750164284] [2021-06-02 01:14:32,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-06-02 01:14:32,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-02 01:14:32,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:14:32,301 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-02 01:14:32,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:32,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750164284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:32,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:32,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2021-06-02 01:14:32,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793635842] [2021-06-02 01:14:32,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-02 01:14:32,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:32,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-02 01:14:32,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=991, Unknown=0, NotChecked=0, Total=1122 [2021-06-02 01:14:32,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:32,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:32,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0) internal successors, (68), 33 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:34,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:34,504 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:34,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:34,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1752594369, now seen corresponding path program 4 times [2021-06-02 01:14:34,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:34,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774572661] [2021-06-02 01:14:34,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:34,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:34,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774572661] [2021-06-02 01:14:34,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774572661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:34,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157729248] [2021-06-02 01:14:34,904 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:34,930 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:14:34,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:14:34,932 WARN L261 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-02 01:14:34,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:35,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157729248] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:35,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:35,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2021-06-02 01:14:35,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25692308] [2021-06-02 01:14:35,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-02 01:14:35,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:35,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-02 01:14:35,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1273, Unknown=0, NotChecked=0, Total=1406 [2021-06-02 01:14:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:35,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:35,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.0789473684210527) internal successors, (79), 37 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:35,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:35,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:35,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:35,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:35,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:35,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:36,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-02 01:14:36,701 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:36,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:36,701 INFO L82 PathProgramCache]: Analyzing trace with hash -692394187, now seen corresponding path program 5 times [2021-06-02 01:14:36,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:36,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604108648] [2021-06-02 01:14:36,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 81 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:37,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:37,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604108648] [2021-06-02 01:14:37,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604108648] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:37,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994495156] [2021-06-02 01:14:37,153 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:37,188 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-02 01:14:37,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:14:37,190 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-02 01:14:37,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:37,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994495156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:37,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:37,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 49 [2021-06-02 01:14:37,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187755295] [2021-06-02 01:14:37,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-02 01:14:37,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:37,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-02 01:14:37,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=2135, Unknown=0, NotChecked=0, Total=2450 [2021-06-02 01:14:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:37,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:37,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.0) internal successors, (100), 49 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:37,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:14:39,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:39,968 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:39,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:39,968 INFO L82 PathProgramCache]: Analyzing trace with hash 226851775, now seen corresponding path program 6 times [2021-06-02 01:14:39,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:39,968 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528809374] [2021-06-02 01:14:39,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:40,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:40,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528809374] [2021-06-02 01:14:40,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528809374] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:40,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282893336] [2021-06-02 01:14:40,953 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE 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 [2021-06-02 01:14:41,052 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2021-06-02 01:14:41,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:14:41,054 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 157 conjunts are in the unsatisfiable core [2021-06-02 01:14:41,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:43,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282893336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:43,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:43,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 45] total 79 [2021-06-02 01:14:43,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872477137] [2021-06-02 01:14:43,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-06-02 01:14:43,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:43,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-06-02 01:14:43,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=5887, Unknown=0, NotChecked=0, Total=6320 [2021-06-02 01:14:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:43,156 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:43,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 2.1875) internal successors, (175), 79 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:14:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:44,206 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2021-06-02 01:14:44,360 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-02 01:14:44,533 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-02 01:14:44,927 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-06-02 01:14:45,294 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-06-02 01:14:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:14:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:14:47,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:47,109 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:47,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash -865486551, now seen corresponding path program 7 times [2021-06-02 01:14:47,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:47,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980130624] [2021-06-02 01:14:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 441 proven. 783 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:48,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:14:48,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980130624] [2021-06-02 01:14:48,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980130624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:48,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809452076] [2021-06-02 01:14:48,235 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:14:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:14:48,286 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 201 conjunts are in the unsatisfiable core [2021-06-02 01:14:48,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:14:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:14:51,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809452076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:14:51,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:14:51,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 56] total 103 [2021-06-02 01:14:51,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110720298] [2021-06-02 01:14:51,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-06-02 01:14:51,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:14:51,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-06-02 01:14:51,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=9404, Unknown=0, NotChecked=0, Total=10712 [2021-06-02 01:14:51,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:51,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:14:51,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 2.1153846153846154) internal successors, (220), 103 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:14:51,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:51,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:51,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:51,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:51,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:51,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:51,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:14:51,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:14:51,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:14:52,908 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2021-06-02 01:14:55,670 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:14:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:14:57,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-02 01:14:57,213 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:14:57,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:14:57,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1015524673, now seen corresponding path program 8 times [2021-06-02 01:14:57,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:14:57,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775059858] [2021-06-02 01:14:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:14:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:15:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3613 backedges. 0 proven. 3613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:15:00,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:15:00,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775059858] [2021-06-02 01:15:00,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775059858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:15:00,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603664076] [2021-06-02 01:15:00,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:15:00,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:15:00,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:15:00,452 WARN L261 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 349 conjunts are in the unsatisfiable core [2021-06-02 01:15:00,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:15:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3613 backedges. 0 proven. 3613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:15:08,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603664076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:15:08,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:15:08,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 93] total 163 [2021-06-02 01:15:08,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242224997] [2021-06-02 01:15:08,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-06-02 01:15:08,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:15:08,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-06-02 01:15:08,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1573, Invalid=25159, Unknown=0, NotChecked=0, Total=26732 [2021-06-02 01:15:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:15:08,536 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:15:08,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 164 states, 164 states have (on average 2.2378048780487805) internal successors, (367), 163 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:15:08,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:15:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:15:11,777 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 164 [2021-06-02 01:15:12,249 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 162 [2021-06-02 01:15:12,730 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-02 01:15:13,133 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-06-02 01:15:13,550 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 157 [2021-06-02 01:15:13,952 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 162 [2021-06-02 01:15:14,314 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-02 01:15:14,684 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-02 01:15:15,072 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-06-02 01:15:15,416 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-02 01:15:15,776 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-02 01:15:16,148 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-06-02 01:15:16,475 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-02 01:15:16,827 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-02 01:15:17,167 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-06-02 01:15:17,479 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-02 01:15:17,798 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-02 01:15:18,133 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-06-02 01:15:18,425 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-02 01:15:18,723 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-02 01:15:19,034 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-06-02 01:15:19,307 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-02 01:15:19,589 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-02 01:15:19,878 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-06-02 01:15:20,140 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-02 01:15:20,407 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-02 01:15:20,681 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-02 01:15:20,925 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-02 01:15:21,173 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-02 01:15:21,435 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-06-02 01:15:21,661 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-02 01:15:21,894 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-02 01:15:22,145 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-02 01:15:22,363 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-02 01:15:22,584 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-02 01:15:22,816 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-02 01:15:23,019 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-02 01:15:23,221 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-02 01:15:23,430 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-02 01:15:24,009 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:15:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:15:27,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-02 01:15:27,213 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:15:27,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:15:27,214 INFO L82 PathProgramCache]: Analyzing trace with hash 2076037905, now seen corresponding path program 9 times [2021-06-02 01:15:27,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:15:27,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513231703] [2021-06-02 01:15:27,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:15:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:15:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6120 backedges. 2025 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:15:30,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:15:30,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513231703] [2021-06-02 01:15:30,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513231703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:15:30,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099736449] [2021-06-02 01:15:30,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-06-02 01:15:31,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2021-06-02 01:15:31,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:15:31,092 WARN L261 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 441 conjunts are in the unsatisfiable core [2021-06-02 01:15:31,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:15:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6120 backedges. 0 proven. 6120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:15:42,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099736449] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:15:42,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:15:42,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 116] total 211 [2021-06-02 01:15:42,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665976688] [2021-06-02 01:15:42,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 212 states [2021-06-02 01:15:42,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:15:42,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2021-06-02 01:15:42,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5346, Invalid=39386, Unknown=0, NotChecked=0, Total=44732 [2021-06-02 01:15:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:15:42,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:15:42,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 212 states, 212 states have (on average 2.169811320754717) internal successors, (460), 211 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:15:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:15:47,220 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 163 [2021-06-02 01:15:47,825 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-02 01:15:48,334 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-02 01:15:48,819 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-02 01:15:49,307 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-02 01:15:49,751 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-02 01:15:50,166 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-02 01:15:50,562 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-02 01:15:50,929 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-02 01:15:51,274 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-02 01:15:51,598 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-02 01:15:51,910 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-02 01:15:58,270 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 161 [2021-06-02 01:15:58,850 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 165 [2021-06-02 01:16:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:16:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:16:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:16:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:16:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:16:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:16:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:16:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:16:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:16:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:16:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-02 01:16:04,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-02 01:16:04,441 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:04,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:04,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2131345599, now seen corresponding path program 10 times [2021-06-02 01:16:04,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:04,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953932786] [2021-06-02 01:16:04,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16381 backedges. 0 proven. 16381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:15,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:15,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953932786] [2021-06-02 01:16:15,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953932786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:15,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863663877] [2021-06-02 01:16:15,690 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:15,872 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:16:15,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:15,884 WARN L261 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 733 conjunts are in the unsatisfiable core [2021-06-02 01:16:15,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16381 backedges. 0 proven. 16381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:46,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863663877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:46,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:46,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 189] total 331 [2021-06-02 01:16:46,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758364026] [2021-06-02 01:16:46,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 332 states [2021-06-02 01:16:46,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:46,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 332 interpolants. [2021-06-02 01:16:46,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6013, Invalid=103879, Unknown=0, NotChecked=0, Total=109892 [2021-06-02 01:16:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:46,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:46,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 332 states, 332 states have (on average 2.2620481927710845) internal successors, (751), 331 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:16:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:16:46,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-02 01:16:46,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:57,267 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 332 [2021-06-02 01:16:58,807 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 330 [2021-06-02 01:17:00,379 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 380 DAG size of output: 335 [2021-06-02 01:17:01,656 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 327 [2021-06-02 01:17:02,953 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 325 [2021-06-02 01:17:04,281 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 330 [2021-06-02 01:17:05,533 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 321 [2021-06-02 01:17:06,781 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 319 [2021-06-02 01:17:08,078 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 324 [2021-06-02 01:17:09,294 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 314 [2021-06-02 01:17:10,514 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 312 [2021-06-02 01:17:11,762 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 317 [2021-06-02 01:17:12,941 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 307 [2021-06-02 01:17:14,132 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 305 [2021-06-02 01:17:15,347 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 310 [2021-06-02 01:17:16,483 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-06-02 01:17:17,634 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 298 [2021-06-02 01:17:18,817 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 303 [2021-06-02 01:17:19,936 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 293 [2021-06-02 01:17:21,054 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 291 [2021-06-02 01:17:22,203 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 296 [2021-06-02 01:17:23,291 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2021-06-02 01:17:24,379 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 284 [2021-06-02 01:17:25,503 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 289 [2021-06-02 01:17:26,561 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 279 [2021-06-02 01:17:27,622 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 277 [2021-06-02 01:17:28,721 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 282 [2021-06-02 01:17:29,753 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 272 [2021-06-02 01:17:30,783 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 270 [2021-06-02 01:17:31,845 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-06-02 01:17:32,834 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 265 [2021-06-02 01:17:33,846 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 263 [2021-06-02 01:17:34,873 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 268 [2021-06-02 01:17:35,829 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 258 [2021-06-02 01:17:36,808 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 256 [2021-06-02 01:17:37,797 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 261 [2021-06-02 01:17:38,733 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 251 [2021-06-02 01:17:39,671 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 249 [2021-06-02 01:17:40,634 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 254 [2021-06-02 01:17:41,540 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-02 01:17:42,444 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 242 [2021-06-02 01:17:43,382 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 247 [2021-06-02 01:17:44,255 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 237 [2021-06-02 01:17:45,141 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 235 [2021-06-02 01:17:46,044 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 240 [2021-06-02 01:17:46,898 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 230 [2021-06-02 01:17:47,750 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 228 [2021-06-02 01:17:48,634 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 233 [2021-06-02 01:17:49,460 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 223 [2021-06-02 01:17:50,288 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 221 [2021-06-02 01:17:51,145 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-02 01:17:51,934 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 216 [2021-06-02 01:17:52,739 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 214 [2021-06-02 01:17:53,557 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 219 [2021-06-02 01:17:54,324 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-06-02 01:17:55,092 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 207 [2021-06-02 01:17:55,885 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 212 [2021-06-02 01:17:56,628 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-02 01:17:57,372 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-06-02 01:17:58,141 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 205 [2021-06-02 01:17:58,848 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-02 01:17:59,574 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2021-06-02 01:18:00,308 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 198 [2021-06-02 01:18:00,998 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-02 01:18:01,685 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 186 [2021-06-02 01:18:02,392 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2021-06-02 01:18:03,055 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-02 01:18:03,724 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-06-02 01:18:04,415 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 184 [2021-06-02 01:18:05,043 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-02 01:18:05,828 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2021-06-02 01:18:06,494 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 177 [2021-06-02 01:18:07,096 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-02 01:18:07,851 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-06-02 01:18:08,478 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 170 [2021-06-02 01:18:09,063 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-02 01:18:09,773 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-06-02 01:18:10,376 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2021-06-02 01:18:10,938 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-02 01:18:11,619 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-02 01:18:12,207 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-06-02 01:18:12,739 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-02 01:18:13,386 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-02 01:18:13,949 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-06-02 01:18:14,458 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-02 01:18:15,075 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-02 01:18:15,612 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-06-02 01:18:16,096 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-02 01:18:16,688 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-02 01:18:17,209 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-06-02 01:18:17,670 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-02 01:18:18,227 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-02 01:18:18,711 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-06-02 01:18:19,155 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-02 01:18:19,689 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-02 01:18:20,150 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-06-02 01:18:20,575 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-02 01:18:21,077 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-02 01:18:21,517 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-02 01:18:21,915 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-02 01:18:22,403 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-02 01:18:22,825 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-06-02 01:18:23,199 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-02 01:18:23,654 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-02 01:18:24,050 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-02 01:18:24,403 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-02 01:18:24,822 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-02 01:18:25,193 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-02 01:18:25,533 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-02 01:18:25,923 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-02 01:18:26,271 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-02 01:18:26,955 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-02 01:18:27,284 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-06-02 01:18:27,926 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-06-02 01:18:28,846 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-02 01:18:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-02 01:18:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-06-02 01:18:33,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-02 01:18:33,285 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:18:33,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:18:33,285 INFO L82 PathProgramCache]: Analyzing trace with hash -128196895, now seen corresponding path program 11 times [2021-06-02 01:18:33,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:18:33,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912120564] [2021-06-02 01:18:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:18:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:18:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 27144 backedges. 8649 proven. 18495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:18:46,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:18:46,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912120564] [2021-06-02 01:18:46,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912120564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:18:46,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229222608] [2021-06-02 01:18:46,411 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:18:47,351 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 139 check-sat command(s) [2021-06-02 01:18:47,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:18:47,363 WARN L261 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 921 conjunts are in the unsatisfiable core [2021-06-02 01:18:47,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:19:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 27144 backedges. 0 proven. 27144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:19:30,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229222608] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:30,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:19:30,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 236] total 427 [2021-06-02 01:19:30,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051674602] [2021-06-02 01:19:30,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 428 states [2021-06-02 01:19:30,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:19:30,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 428 interpolants. [2021-06-02 01:19:30,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21630, Invalid=161126, Unknown=0, NotChecked=0, Total=182756 [2021-06-02 01:19:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:30,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:19:30,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 428 states, 428 states have (on average 2.196261682242991) internal successors, (940), 427 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:19:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:19:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:19:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:19:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-02 01:19:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-06-02 01:19:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:56,965 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 331 [2021-06-02 01:19:58,781 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 322 [2021-06-02 01:20:00,430 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 315 [2021-06-02 01:20:02,051 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 308 [2021-06-02 01:20:03,667 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 301 [2021-06-02 01:20:05,193 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 294 [2021-06-02 01:20:06,695 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 287 [2021-06-02 01:20:08,173 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 280 [2021-06-02 01:20:09,581 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 273 [2021-06-02 01:20:10,935 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 266 [2021-06-02 01:20:12,262 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 259 [2021-06-02 01:20:13,545 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 252 [2021-06-02 01:20:14,775 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 245 [2021-06-02 01:20:15,976 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 238 [2021-06-02 01:20:17,140 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 231 [2021-06-02 01:20:18,258 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 224 [2021-06-02 01:20:19,353 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 217 [2021-06-02 01:20:20,395 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 210 [2021-06-02 01:20:21,417 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 203 [2021-06-02 01:20:22,402 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2021-06-02 01:20:23,369 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 189 [2021-06-02 01:20:24,280 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-06-02 01:20:25,162 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2021-06-02 01:20:25,999 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 168 [2021-06-02 01:20:26,809 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-06-02 01:20:27,611 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-02 01:20:28,367 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-02 01:20:29,101 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-02 01:20:29,799 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-02 01:20:30,462 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-02 01:20:31,108 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-02 01:20:31,715 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-02 01:20:32,296 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-02 01:20:32,867 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-02 01:20:33,396 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-02 01:20:33,905 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-02 01:20:55,484 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 329 [2021-06-02 01:20:57,320 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 333 [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:21:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-02 01:21:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-06-02 01:21:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2021-06-02 01:21:27,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-02 01:21:27,153 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:21:27,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:21:27,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1926995135, now seen corresponding path program 12 times [2021-06-02 01:21:27,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:21:27,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042551482] [2021-06-02 01:21:27,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:21:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:22:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 69565 backedges. 0 proven. 69565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:22:12,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:22:12,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042551482] [2021-06-02 01:22:12,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042551482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:22:12,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202844776] [2021-06-02 01:22:12,351 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:22:17,660 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 279 check-sat command(s) [2021-06-02 01:22:17,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:22:17,680 WARN L261 TraceCheckSpWp]: Trace formula consists of 1893 conjuncts, 1501 conjunts are in the unsatisfiable core [2021-06-02 01:22:17,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:24:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 69565 backedges. 0 proven. 69565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:24:19,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202844776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:24:19,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:24:19,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [289, 381] total 667 [2021-06-02 01:24:19,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159252300] [2021-06-02 01:24:19,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 668 states [2021-06-02 01:24:19,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:24:19,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 668 interpolants. [2021-06-02 01:24:19,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23533, Invalid=422023, Unknown=0, NotChecked=0, Total=445556 [2021-06-02 01:24:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:24:19,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:24:19,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 668 states, 668 states have (on average 2.2739520958083834) internal successors, (1519), 667 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2021-06-02 01:24:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:25:17,490 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 761 DAG size of output: 668 [2021-06-02 01:25:24,705 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 762 DAG size of output: 666 [2021-06-02 01:25:30,529 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 764 DAG size of output: 671 [2021-06-02 01:25:35,359 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 755 DAG size of output: 663 [2021-06-02 01:25:41,615 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 756 DAG size of output: 661 [2021-06-02 01:25:46,510 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 758 DAG size of output: 666 [2021-06-02 01:25:51,253 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 748 DAG size of output: 657 [2021-06-02 01:25:57,359 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 749 DAG size of output: 655 [2021-06-02 01:26:02,173 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 751 DAG size of output: 660 [2021-06-02 01:26:06,860 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 740 DAG size of output: 650 [2021-06-02 01:26:12,903 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 741 DAG size of output: 648 [2021-06-02 01:26:17,655 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 743 DAG size of output: 653 [2021-06-02 01:26:22,259 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 732 DAG size of output: 643 [2021-06-02 01:26:28,208 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 733 DAG size of output: 641 [2021-06-02 01:26:32,934 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 735 DAG size of output: 646 [2021-06-02 01:26:37,518 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 724 DAG size of output: 636 [2021-06-02 01:26:43,357 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 725 DAG size of output: 634 [2021-06-02 01:26:48,003 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 727 DAG size of output: 639 [2021-06-02 01:26:52,509 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 716 DAG size of output: 629 [2021-06-02 01:26:58,211 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 717 DAG size of output: 627 [2021-06-02 01:27:02,763 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 719 DAG size of output: 632 [2021-06-02 01:27:07,175 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 708 DAG size of output: 622 [2021-06-02 01:27:12,844 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 709 DAG size of output: 620 Received shutdown request... [2021-06-02 01:27:17,246 WARN L222 SmtUtils]: Removed 5 from assertion stack [2021-06-02 01:27:17,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:27:17,447 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-02 01:27:17,454 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 01:27:17,455 WARN L196 ceAbstractionStarter]: Timeout [2021-06-02 01:27:17,455 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 01:27:17 BasicIcfg [2021-06-02 01:27:17,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 01:27:17,455 INFO L168 Benchmark]: Toolchain (without parser) took 768351.33 ms. Allocated memory was 356.5 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 336.3 MB in the beginning and 547.0 MB in the end (delta: -210.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-02 01:27:17,455 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 356.5 MB. Free memory is still 337.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 01:27:17,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.73 ms. Allocated memory is still 356.5 MB. Free memory was 336.3 MB in the beginning and 334.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 01:27:17,455 INFO L168 Benchmark]: Boogie Preprocessor took 10.76 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 333.9 MB in the end (delta: 923.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 01:27:17,456 INFO L168 Benchmark]: RCFGBuilder took 221.12 ms. Allocated memory is still 356.5 MB. Free memory was 333.8 MB in the beginning and 322.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-02 01:27:17,456 INFO L168 Benchmark]: TraceAbstraction took 768083.14 ms. Allocated memory was 356.5 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 322.1 MB in the beginning and 547.0 MB in the end (delta: -224.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-02 01:27:17,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 356.5 MB. Free memory is still 337.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.73 ms. Allocated memory is still 356.5 MB. Free memory was 336.3 MB in the beginning and 334.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.76 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 333.9 MB in the end (delta: 923.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 221.12 ms. Allocated memory is still 356.5 MB. Free memory was 333.8 MB in the beginning and 322.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 768083.14 ms. Allocated memory was 356.5 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 322.1 MB in the beginning and 547.0 MB in the end (delta: -224.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6404, positive: 4610, positive conditional: 4610, positive unconditional: 0, negative: 1794, negative conditional: 1794, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4624, positive: 4610, positive conditional: 4610, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4624, positive: 4339, positive conditional: 0, positive unconditional: 4339, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4624, positive: 4322, positive conditional: 0, positive unconditional: 4322, negative: 284, negative conditional: 0, negative unconditional: 284, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 108, negative conditional: 56, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260 ], Maximal queried relation: 13, Independence queries for same thread: 1780 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 711 for 3126ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 768029.6ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.9ms, PartialOrderReductionTime: 455427.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1480, 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: 182.5ms SsaConstructionTime, 10820.3ms SatisfiabilityAnalysisTime, 298606.5ms InterpolantComputationTime, 4828 NumberOfCodeBlocks, 4828 NumberOfCodeBlocksAsserted, 554 NumberOfCheckSat, 4802 ConstructedInterpolants, 0 QuantifiedInterpolants, 101153 SizeOfPredicates, 60 NumberOfNonLiveVariables, 5881 ConjunctsInSsa, 4539 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 11211/250131 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown