/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 09:52:19,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 09:52:19,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 09:52:19,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 09:52:19,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 09:52:19,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 09:52:19,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 09:52:19,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 09:52:19,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 09:52:19,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 09:52:19,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 09:52:19,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 09:52:19,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 09:52:19,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 09:52:19,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 09:52:19,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 09:52:19,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 09:52:19,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 09:52:19,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 09:52:19,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 09:52:19,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 09:52:19,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 09:52:19,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 09:52:19,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 09:52:19,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-15 09:52:19,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 09:52:19,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 09:52:19,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 09:52:19,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-04-15 09:52:19,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 09:52:19,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 09:52:19,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 09:52:19,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 09:52:19,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 09:52:19,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 09:52:19,786 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 09:52:19,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 09:52:19,787 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 09:52:19,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 09:52:19,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 09:52:19,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 09:52:19,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 09:52:19,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 09:52:19,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 09:52:19,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 09:52:19,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 09:52:19,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 09:52:19,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 09:52:19,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 09:52:19,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 09:52:19,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 09:52:19,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 09:52:19,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 09:52:19,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 09:52:19,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 09:52:19,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 09:52:19,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 09:52:19,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 09:52:19,791 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 09:52:19,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 09:52:19,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 09:52:19,791 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 09:52:19,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 09:52:20,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 09:52:20,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 09:52:20,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 09:52:20,113 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 09:52:20,114 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 09:52:20,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-04-15 09:52:20,115 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-04-15 09:52:20,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 09:52:20,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 09:52:20,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 09:52:20,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 09:52:20,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 09:52:20,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 09:52:20,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 09:52:20,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 09:52:20,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 09:52:20,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/1) ... [2021-04-15 09:52:20,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 09:52:20,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 09:52:20,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 09:52:20,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 09:52:20,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (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 [2021-04-15 09:52:20,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 09:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 09:52:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 09:52:20,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 09:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 09:52:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 09:52:20,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 09:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 09:52:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 09:52:20,284 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 09:52:20,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 09:52:20,449 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 09:52:20,450 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 09:52:20 BoogieIcfgContainer [2021-04-15 09:52:20,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 09:52:20,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 09:52:20,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 09:52:20,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 09:52:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 09:52:20" (1/2) ... [2021-04-15 09:52:20,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e197809 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 09:52:20, skipping insertion in model container [2021-04-15 09:52:20,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 09:52:20" (2/2) ... [2021-04-15 09:52:20,456 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-04-15 09:52:20,461 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 09:52:20,461 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 09:52:20,464 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 09:52:20,464 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 09:52:20,523 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-15 09:52:20,537 INFO L253 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 [2021-04-15 09:52:20,590 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 09:52:20,590 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 09:52:20,591 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 09:52:20,591 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 09:52:20,591 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 09:52:20,591 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 09:52:20,591 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 09:52:20,591 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 09:52:20,682 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:20,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:20,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1635099045, now seen corresponding path program 1 times [2021-04-15 09:52:20,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:20,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173603689] [2021-04-15 09:52:20,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:20,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173603689] [2021-04-15 09:52:20,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 09:52:20,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 09:52:20,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243511905] [2021-04-15 09:52:20,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 09:52:20,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:20,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 09:52:20,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 09:52:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:20,855 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:20,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-04-15 09:52:20,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:20,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 09:52:20,888 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:20,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:20,891 INFO L82 PathProgramCache]: Analyzing trace with hash 2119693475, now seen corresponding path program 1 times [2021-04-15 09:52:20,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:20,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094325655] [2021-04-15 09:52:20,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:21,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094325655] [2021-04-15 09:52:21,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295440050] [2021-04-15 09:52:21,020 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 [2021-04-15 09:52:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:21,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-15 09:52:21,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:21,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:21,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-04-15 09:52:21,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51587291] [2021-04-15 09:52:21,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-15 09:52:21,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:21,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-15 09:52:21,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-04-15 09:52:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:21,190 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:21,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-04-15 09:52:21,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:21,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:21,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:21,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:21,489 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:21,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:21,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1624375643, now seen corresponding path program 1 times [2021-04-15 09:52:21,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:21,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833642281] [2021-04-15 09:52:21,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:21,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833642281] [2021-04-15 09:52:21,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957079549] [2021-04-15 09:52:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:21,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 09:52:21,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:21,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:21,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-04-15 09:52:21,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 09:52:21,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:21,935 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 09:52:21,935 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-04-15 09:52:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:21,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:21,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-15 09:52:21,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540698624] [2021-04-15 09:52:21,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-15 09:52:21,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:21,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-15 09:52:21,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-15 09:52:21,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:21,972 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:21,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 09:52:21,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:21,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:22,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:22,241 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:22,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:22,241 INFO L82 PathProgramCache]: Analyzing trace with hash 210936483, now seen corresponding path program 2 times [2021-04-15 09:52:22,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:22,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058966336] [2021-04-15 09:52:22,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:22,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058966336] [2021-04-15 09:52:22,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93208346] [2021-04-15 09:52:22,310 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 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 [2021-04-15 09:52:22,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 09:52:22,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:22,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-15 09:52:22,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:22,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:22,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-04-15 09:52:22,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615903123] [2021-04-15 09:52:22,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-15 09:52:22,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:22,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-15 09:52:22,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-04-15 09:52:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:22,565 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:22,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 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) [2021-04-15 09:52:22,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:22,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:22,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:22,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:22,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:22,973 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:22,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:22,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1988809563, now seen corresponding path program 3 times [2021-04-15 09:52:22,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:22,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420721488] [2021-04-15 09:52:22,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:23,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420721488] [2021-04-15 09:52:23,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790311043] [2021-04-15 09:52:23,146 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 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 [2021-04-15 09:52:23,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-15 09:52:23,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:23,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-15 09:52:23,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:23,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:23,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:23,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 27 [2021-04-15 09:52:23,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-15 09:52:23,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:23,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-15 09:52:23,623 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:24 [2021-04-15 09:52:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:23,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:23,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-04-15 09:52:23,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148084622] [2021-04-15 09:52:23,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-04-15 09:52:23,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:23,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-04-15 09:52:23,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-04-15 09:52:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:23,691 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:23,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 09:52:23,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:23,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:23,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:23,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:23,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:24,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:24,106 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:24,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:24,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1839673567, now seen corresponding path program 4 times [2021-04-15 09:52:24,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:24,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281314442] [2021-04-15 09:52:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:24,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281314442] [2021-04-15 09:52:24,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299054223] [2021-04-15 09:52:24,208 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 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 [2021-04-15 09:52:24,242 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 09:52:24,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:24,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-04-15 09:52:24,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:24,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:24,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-04-15 09:52:24,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849279739] [2021-04-15 09:52:24,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-15 09:52:24,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:24,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-15 09:52:24,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-04-15 09:52:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:24,410 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:24,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 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) [2021-04-15 09:52:24,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:24,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:24,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:24,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:24,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:24,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:24,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:24,881 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:24,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:24,882 INFO L82 PathProgramCache]: Analyzing trace with hash -40043611, now seen corresponding path program 5 times [2021-04-15 09:52:24,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:24,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139038586] [2021-04-15 09:52:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:25,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139038586] [2021-04-15 09:52:25,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065654559] [2021-04-15 09:52:25,359 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 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 [2021-04-15 09:52:25,400 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-04-15 09:52:25,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:25,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-04-15 09:52:25,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:25,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:25,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:25,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-04-15 09:52:25,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 09:52:25,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:25,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 09:52:25,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-04-15 09:52:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:25,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:25,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-04-15 09:52:25,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772570463] [2021-04-15 09:52:25,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-04-15 09:52:25,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:25,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-04-15 09:52:25,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-04-15 09:52:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:25,850 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:25,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 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) [2021-04-15 09:52:25,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:27,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-04-15 09:52:27,029 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:27,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1812733093, now seen corresponding path program 6 times [2021-04-15 09:52:27,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:27,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979170849] [2021-04-15 09:52:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:27,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979170849] [2021-04-15 09:52:27,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979299991] [2021-04-15 09:52:27,488 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 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 [2021-04-15 09:52:27,517 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-04-15 09:52:27,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:27,518 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-04-15 09:52:27,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:28,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:28,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:28,493 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:28,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-04-15 09:52:28,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-15 09:52:28,587 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-04-15 09:52:28,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-15 09:52:28,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-04-15 09:52:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:28,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:28,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-04-15 09:52:28,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077544601] [2021-04-15 09:52:28,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-04-15 09:52:28,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-04-15 09:52:28,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-04-15 09:52:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:28,677 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:28,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:28,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:30,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:30,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-04-15 09:52:30,665 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:30,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:30,666 INFO L82 PathProgramCache]: Analyzing trace with hash -668528987, now seen corresponding path program 7 times [2021-04-15 09:52:30,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:30,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566456567] [2021-04-15 09:52:30,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:31,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566456567] [2021-04-15 09:52:31,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313671279] [2021-04-15 09:52:31,152 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 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 [2021-04-15 09:52:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:31,177 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-04-15 09:52:31,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:31,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:31,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:31,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-04-15 09:52:31,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 09:52:31,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:31,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 09:52:31,793 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-04-15 09:52:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:31,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:31,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-04-15 09:52:31,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831969675] [2021-04-15 09:52:31,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-04-15 09:52:31,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:31,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-04-15 09:52:31,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-04-15 09:52:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:31,817 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:31,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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) [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:33,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:33,506 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:33,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:33,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2110591397, now seen corresponding path program 8 times [2021-04-15 09:52:33,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:33,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644311022] [2021-04-15 09:52:33,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:34,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644311022] [2021-04-15 09:52:34,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111060283] [2021-04-15 09:52:34,267 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 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 [2021-04-15 09:52:34,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 09:52:34,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:34,310 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-04-15 09:52:34,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:35,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:35,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:35,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-04-15 09:52:35,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 09:52:35,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:35,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 09:52:35,183 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-04-15 09:52:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:35,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 09:52:35,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-04-15 09:52:35,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439561538] [2021-04-15 09:52:35,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-04-15 09:52:35,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 09:52:35,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-04-15 09:52:35,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-04-15 09:52:35,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:35,215 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 09:52:35,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 states have internal predecessors, (77), 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) [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:35,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 09:52:36,724 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 09:52:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-15 09:52:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-15 09:52:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-15 09:52:37,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 09:52:37,484 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 09:52:37,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 09:52:37,485 INFO L82 PathProgramCache]: Analyzing trace with hash -900897371, now seen corresponding path program 9 times [2021-04-15 09:52:37,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 09:52:37,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024544363] [2021-04-15 09:52:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 09:52:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 09:52:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 09:52:38,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024544363] [2021-04-15 09:52:38,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707741917] [2021-04-15 09:52:38,209 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 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 [2021-04-15 09:52:38,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-04-15 09:52:38,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 09:52:38,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-04-15 09:52:38,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 09:52:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:42,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:43,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 09:52:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 09:52:43,088 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-04-15 09:52:43,492 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-04-15 09:52:43,493 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 09:52:43,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-04-15 09:52:45,862 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 422 [2021-04-15 09:52:45,998 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 530 [2021-04-15 09:52:46,144 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 675 [2021-04-15 09:52:46,281 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 707 [2021-04-15 09:52:48,595 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 843 [2021-04-15 09:52:49,518 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1083 [2021-04-15 09:52:49,853 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-04-15 09:52:50,218 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-04-15 09:52:50,560 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1548 [2021-04-15 09:52:50,917 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 1533 [2021-04-15 09:52:51,106 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 1093 [2021-04-15 09:52:51,226 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 853 [2021-04-15 09:52:51,378 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 905 [2021-04-15 09:52:51,574 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 898 [2021-04-15 09:52:51,752 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 839 [2021-04-15 09:52:55,418 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 3304 DAG size of output: 2750 [2021-04-15 09:52:55,972 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 3643 DAG size of output: 3108 [2021-04-15 09:52:56,636 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3430 [2021-04-15 09:52:57,776 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 1028 [2021-04-15 09:52:58,027 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1225 [2021-04-15 09:52:58,219 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1392 [2021-04-15 09:52:58,431 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1687 DAG size of output: 1594 [2021-04-15 09:52:59,347 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 5107 DAG size of output: 4480 [2021-04-15 09:53:00,244 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 717 [2021-04-15 09:53:00,859 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 1028 [2021-04-15 09:53:01,071 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1200 [2021-04-15 09:53:01,957 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1427 [2021-04-15 09:53:03,237 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 6251 DAG size of output: 5555 [2021-04-15 09:53:04,818 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 6269 DAG size of output: 5573 [2021-04-15 09:53:05,116 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 958 [2021-04-15 09:53:05,396 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 1142 [2021-04-15 09:53:05,587 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 842 [2021-04-15 09:53:05,741 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 703 [2021-04-15 09:53:05,905 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 803 [2021-04-15 09:53:06,045 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 603 [2021-04-15 09:53:06,346 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 802 [2021-04-15 09:53:07,815 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1587 DAG size of output: 1528 [2021-04-15 09:53:08,193 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 2039 DAG size of output: 2006 [2021-04-15 09:53:08,650 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2289 [2021-04-15 09:53:09,223 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2596 [2021-04-15 09:53:09,386 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 595 [2021-04-15 09:53:11,573 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 994 DAG size of output: 979 [2021-04-15 09:53:13,811 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 742 [2021-04-15 09:53:14,057 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1239 [2021-04-15 09:53:14,543 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 2522 DAG size of output: 2461 [2021-04-15 09:53:15,363 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 2870 DAG size of output: 2831 [2021-04-15 09:53:16,223 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 3148 DAG size of output: 3120 [2021-04-15 09:53:17,726 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 4726 DAG size of output: 4684 [2021-04-15 09:53:17,977 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 658 [2021-04-15 09:53:20,563 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1388 [2021-04-15 09:53:20,850 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1987 DAG size of output: 1948 [2021-04-15 09:53:21,211 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 2293 DAG size of output: 2253 [2021-04-15 09:53:22,090 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 3243 DAG size of output: 3084 [2021-04-15 09:53:24,434 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 6769 DAG size of output: 6528 [2021-04-15 09:53:24,609 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 711 [2021-04-15 09:53:25,032 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2021-04-15 09:53:26,276 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 999 [2021-04-15 09:53:27,301 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 779 [2021-04-15 09:53:27,696 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 1006 [2021-04-15 09:53:28,356 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 749 [2021-04-15 09:53:28,602 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1430 [2021-04-15 09:53:28,997 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 2207 DAG size of output: 2121 [2021-04-15 09:53:30,091 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 877 [2021-04-15 09:53:30,640 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 2701 DAG size of output: 2588 [2021-04-15 09:53:31,629 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 3959 DAG size of output: 3562 [2021-04-15 09:53:35,175 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 10160 DAG size of output: 9467 [2021-04-15 09:53:39,082 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 10430 DAG size of output: 9744 [2021-04-15 09:53:44,880 WARN L205 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-04-15 09:53:50,679 WARN L205 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-04-15 09:53:56,735 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 15657 DAG size of output: 14308 [2021-04-15 09:54:01,419 WARN L205 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 14308 DAG size of output: 13917 [2021-04-15 09:54:04,037 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 5414 DAG size of output: 7882 [2021-04-15 09:54:06,213 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 4584 DAG size of output: 5931 [2021-04-15 09:54:08,186 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 4441 DAG size of output: 6515 [2021-04-15 09:54:09,971 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 3883 DAG size of output: 5838 [2021-04-15 09:54:11,439 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 3067 DAG size of output: 4145 [2021-04-15 09:54:12,049 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 2875 DAG size of output: 2857 [2021-04-15 09:54:12,220 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 940 [2021-04-15 09:54:14,232 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 940 [2021-04-15 09:54:14,737 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1386 DAG size of output: 1202 [2021-04-15 09:54:15,030 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1887 DAG size of output: 1606 [2021-04-15 09:54:15,435 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2148 DAG size of output: 1886 [2021-04-15 09:54:15,902 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 2840 [2021-04-15 09:54:16,210 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 2090 [2021-04-15 09:54:16,393 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 1189 [2021-04-15 09:54:16,560 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 946 [2021-04-15 09:54:18,147 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1015 [2021-04-15 09:54:18,338 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1525 [2021-04-15 09:54:18,648 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1945 [2021-04-15 09:54:18,837 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 1520 [2021-04-15 09:54:18,953 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2021-04-15 09:54:21,809 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1817 DAG size of output: 1498 [2021-04-15 09:54:22,310 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2416 DAG size of output: 2145 [2021-04-15 09:54:25,027 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1351 DAG size of output: 1208 [2021-04-15 09:54:25,561 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3586 [2021-04-15 09:54:26,461 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 5535 DAG size of output: 5044 [2021-04-15 09:54:26,787 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 1398 [2021-04-15 09:54:26,952 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 891 [2021-04-15 09:54:28,104 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 1143 [2021-04-15 09:54:31,093 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1821 DAG size of output: 1702 [2021-04-15 09:54:31,463 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 2704 DAG size of output: 2539 [2021-04-15 09:54:32,011 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 3174 DAG size of output: 2934 [2021-04-15 09:54:33,582 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 8127 DAG size of output: 7385 [2021-04-15 09:54:35,785 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 8478 DAG size of output: 7727 [2021-04-15 09:54:38,549 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 10461 DAG size of output: 9717 [2021-04-15 09:54:42,236 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 13280 DAG size of output: 12288 [2021-04-15 09:54:47,047 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 16464 DAG size of output: 15458 [2021-04-15 09:54:53,142 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 19634 DAG size of output: 18616 [2021-04-15 09:55:00,844 WARN L205 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 23919 DAG size of output: 22472 [2021-04-15 09:55:06,930 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 9504 DAG size of output: 11647 [2021-04-15 09:55:09,749 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 9446 DAG size of output: 9446 [2021-04-15 09:55:10,646 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 2524 DAG size of output: 3186 [2021-04-15 09:55:11,394 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 972 DAG size of output: 951 [2021-04-15 09:55:11,995 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 954 [2021-04-15 09:55:13,223 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 685 [2021-04-15 09:55:14,358 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1255 [2021-04-15 09:55:15,634 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 5396 DAG size of output: 4973 [2021-04-15 09:55:17,393 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 1170 [2021-04-15 09:55:17,505 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 830 [2021-04-15 09:55:18,662 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 774 [2021-04-15 09:55:19,528 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1011 [2021-04-15 09:55:19,813 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2007 DAG size of output: 1914 [2021-04-15 09:55:20,259 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 2531 DAG size of output: 2441 [2021-04-15 09:55:20,791 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 928 DAG size of output: 871 [2021-04-15 09:55:20,920 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 713 [2021-04-15 09:55:21,046 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 643 [2021-04-15 09:55:23,267 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1295 [2021-04-15 09:55:23,590 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1522 [2021-04-15 09:55:24,840 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2021-04-15 09:55:25,620 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 1102 [2021-04-15 09:55:26,292 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 2429 DAG size of output: 2309 [2021-04-15 09:55:27,252 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 2996 DAG size of output: 4045 [2021-04-15 09:55:27,418 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 909 [2021-04-15 09:55:28,067 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 767 [2021-04-15 09:55:28,403 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1274 DAG size of output: 1236 [2021-04-15 09:55:28,616 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1652 [2021-04-15 09:55:28,737 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 991 [2021-04-15 09:55:31,272 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1488 DAG size of output: 1473 [2021-04-15 09:55:31,409 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 797 [2021-04-15 09:55:31,533 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 768 [2021-04-15 09:55:32,343 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1199 [2021-04-15 09:55:32,623 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1475 DAG size of output: 1391 [2021-04-15 09:55:34,099 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 6551 DAG size of output: 6162 [2021-04-15 09:55:35,617 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 3491 DAG size of output: 5289 [2021-04-15 09:55:38,531 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 1094 [2021-04-15 09:55:39,676 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 841 [2021-04-15 09:55:39,835 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 906 [2021-04-15 09:55:40,864 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2021-04-15 09:55:44,043 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 949 [2021-04-15 09:55:44,234 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 1295 [2021-04-15 09:55:44,499 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1655 DAG size of output: 1611 [2021-04-15 09:55:44,936 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 2226 [2021-04-15 09:55:45,127 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 1043 [2021-04-15 09:55:45,584 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 717 [2021-04-15 09:55:46,686 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1180 [2021-04-15 09:55:47,356 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1847 DAG size of output: 1731 [2021-04-15 09:55:47,696 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 2331 DAG size of output: 2192 [2021-04-15 09:55:49,729 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 9561 DAG size of output: 8891 [2021-04-15 09:55:49,998 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 1044 [2021-04-15 09:55:50,113 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 717 [2021-04-15 09:55:51,196 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 940 [2021-04-15 09:55:51,360 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 823 [2021-04-15 09:55:52,573 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 718 [2021-04-15 09:55:54,058 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 947 [2021-04-15 09:55:54,319 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1457 [2021-04-15 09:55:54,487 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 718 [2021-04-15 09:55:56,483 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 861 [2021-04-15 09:55:56,688 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1207 [2021-04-15 09:55:57,222 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 2422 DAG size of output: 2384 [2021-04-15 09:55:58,379 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 3257 DAG size of output: 3232 [2021-04-15 09:55:59,288 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 3693 DAG size of output: 3672 [2021-04-15 09:56:07,774 WARN L205 SmtUtils]: Spent 8.43 s on a formula simplification. DAG size of input: 26711 DAG size of output: 24900 [2021-04-15 09:56:19,620 WARN L205 SmtUtils]: Spent 11.65 s on a formula simplification. DAG size of input: 31609 DAG size of output: 29710 [2021-04-15 09:56:40,207 WARN L205 SmtUtils]: Spent 20.35 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-04-15 09:57:00,932 WARN L205 SmtUtils]: Spent 20.34 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-04-15 09:57:22,210 WARN L205 SmtUtils]: Spent 20.67 s on a formula simplification. DAG size of input: 52689 DAG size of output: 49419 [2021-04-15 09:58:00,942 WARN L205 SmtUtils]: Spent 38.23 s on a formula simplification. DAG size of input: 49421 DAG size of output: 69661 [2021-04-15 09:58:03,548 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 4322 DAG size of output: 6189 [2021-04-15 09:58:05,736 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 4300 DAG size of output: 6239 [2021-04-15 09:58:06,629 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 3741 DAG size of output: 3590 [2021-04-15 09:58:06,849 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 835 [2021-04-15 09:58:08,810 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 604 [2021-04-15 09:58:10,130 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1541 [2021-04-15 09:58:10,572 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 2258 DAG size of output: 2121 [2021-04-15 09:58:11,065 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 2606 DAG size of output: 2456 [2021-04-15 09:58:12,589 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 949 [2021-04-15 09:58:12,747 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1031 [2021-04-15 09:58:13,340 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 3505 DAG size of output: 3260 [2021-04-15 09:58:14,780 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 3576 DAG size of output: 5163 [2021-04-15 09:58:15,449 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 3312 DAG size of output: 3290 [2021-04-15 09:58:16,389 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 2603 DAG size of output: 3717 [2021-04-15 09:58:16,792 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 2029 DAG size of output: 1909 [2021-04-15 09:58:16,949 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1366 [2021-04-15 09:58:17,206 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1607 [2021-04-15 09:58:18,827 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 2399 DAG size of output: 2097 [2021-04-15 09:58:20,644 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1245 [2021-04-15 09:58:21,075 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 3462 DAG size of output: 3083 [2021-04-15 09:58:21,327 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 1109 [2021-04-15 09:58:23,204 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1328 DAG size of output: 1253 [2021-04-15 09:58:24,142 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1869 [2021-04-15 09:58:24,524 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 2275 DAG size of output: 2112 [2021-04-15 09:58:25,344 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4607 [2021-04-15 09:58:26,640 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 7095 DAG size of output: 6449 [2021-04-15 09:58:27,040 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 1361 [2021-04-15 09:58:27,194 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 846 [2021-04-15 09:58:29,514 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 1072 [2021-04-15 09:58:30,319 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 734 [2021-04-15 09:58:32,238 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 1027 [2021-04-15 09:58:32,437 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 1168 [2021-04-15 09:58:32,976 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 2823 DAG size of output: 2472 [2021-04-15 09:58:33,647 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 3525 DAG size of output: 3168 [2021-04-15 09:58:35,816 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 10054 DAG size of output: 9072 [2021-04-15 09:58:38,627 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 12240 DAG size of output: 10879 [2021-04-15 09:58:42,242 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 13019 DAG size of output: 11611 [2021-04-15 09:58:47,039 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 16139 DAG size of output: 14386 [2021-04-15 09:58:53,105 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 18006 DAG size of output: 16073 [2021-04-15 09:58:53,386 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 1030 [2021-04-15 09:58:54,632 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1437 [2021-04-15 09:58:56,524 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1308 [2021-04-15 09:58:59,621 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 1010 [2021-04-15 09:59:01,614 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 555 [2021-04-15 09:59:02,222 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1692 [2021-04-15 09:59:04,048 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1187 DAG size of output: 1111 [2021-04-15 09:59:04,455 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 [2021-04-15 09:59:04,677 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1677 [2021-04-15 09:59:04,957 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 1193 [2021-04-15 09:59:06,971 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1646 [2021-04-15 09:59:07,898 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 922 [2021-04-15 09:59:08,046 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 988 [2021-04-15 09:59:10,384 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 1002 [2021-04-15 09:59:11,727 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1471 [2021-04-15 09:59:11,860 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 825 [2021-04-15 09:59:13,284 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1576 [2021-04-15 09:59:14,343 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 801 [2021-04-15 09:59:16,630 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 2868 DAG size of output: 2866 [2021-04-15 09:59:16,850 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 863 [2021-04-15 09:59:18,101 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 974 [2021-04-15 09:59:18,436 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2486 [2021-04-15 09:59:18,587 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 853 [2021-04-15 09:59:19,010 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 582 [2021-04-15 09:59:19,810 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 995 [2021-04-15 09:59:20,001 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1252 [2021-04-15 09:59:20,142 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 964 [2021-04-15 10:03:04,201 WARN L340 FreeRefinementEngine]: Global settings require throwing the following exception [2021-04-15 10:03:04,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-15 10:03:04,432 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NegativeArraySizeException: -889321144 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:651) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:615) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:205) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:125) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:112) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:862) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:828) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:746) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:383) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:602) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:404) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:602) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:404) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:714) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:299) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:640) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-04-15 10:03:04,442 INFO L168 Benchmark]: Toolchain (without parser) took 644271.96 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 236.5 MB in the beginning and 9.7 GB in the end (delta: -9.5 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. [2021-04-15 10:03:04,442 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 10:03:04,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.73 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 10:03:04,442 INFO L168 Benchmark]: Boogie Preprocessor took 15.48 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.0 MB in the end (delta: 956.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 10:03:04,442 INFO L168 Benchmark]: RCFGBuilder took 231.56 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 239.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-04-15 10:03:04,442 INFO L168 Benchmark]: TraceAbstraction took 643989.53 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 238.8 MB in the beginning and 9.7 GB in the end (delta: -9.5 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-04-15 10:03:04,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.73 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.48 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.0 MB in the end (delta: 956.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 231.56 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 239.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 643989.53 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 238.8 MB in the beginning and 9.7 GB in the end (delta: -9.5 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NegativeArraySizeException: -889321144 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NegativeArraySizeException: -889321144: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:651) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...