/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:41:36,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:41:36,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:41:36,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 22:41:36,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 22:41:36,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:41:36,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:41:36,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:41:36,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:41:36,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:41:36,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:41:36,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:41:36,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:41:36,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:41:36,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:41:36,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:41:36,154 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:41:36,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:41:36,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:41:36,154 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:41:36,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:41:36,155 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:41:36,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:41:36,155 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:41:36,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:41:36,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:41:36,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:41:36,392 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:41:36,393 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:41:36,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2021-06-06 22:41:36,403 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2021-06-06 22:41:36,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:41:36,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:41:36,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:41:36,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:41:36,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:41:36,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:41:36,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:41:36,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:41:36,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:41:36,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... [2021-06-06 22:41:36,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:41:36,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:41:36,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:41:36,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:41:36,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:41:36,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:41:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:41:36,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:41:36,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:41:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:41:36,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:41:36,517 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:41:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:41:36,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 22:41:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 22:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 22:41:36,519 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:41:36,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:41:36,679 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:41:36,680 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:41:36 BoogieIcfgContainer [2021-06-06 22:41:36,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:41:36,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:41:36,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:41:36,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:41:36,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:36" (1/2) ... [2021-06-06 22:41:36,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c589568 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:41:36, skipping insertion in model container [2021-06-06 22:41:36,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:41:36" (2/2) ... [2021-06-06 22:41:36,685 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2021-06-06 22:41:36,688 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:41:36,705 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:41:36,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:41:36,705 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:41:36,752 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 22:41:36,769 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 22:41:36,808 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:41:36,809 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:41:36,809 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:41:36,809 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:41:36,809 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:41:36,809 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:41:36,809 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:41:36,809 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:41:36,837 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:36,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:36,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1602237899, now seen corresponding path program 1 times [2021-06-06 22:41:36,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:36,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913542782] [2021-06-06 22:41:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:37,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:37,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913542782] [2021-06-06 22:41:37,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913542782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:37,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850406398] [2021-06-06 22:41:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:37,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 22:41:37,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:37,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:37,603 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 11 treesize of output 7 [2021-06-06 22:41:37,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:41:37,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:41:37,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:41:37,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-06-06 22:41:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:37,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850406398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:37,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:37,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-06 22:41:37,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435479940] [2021-06-06 22:41:37,654 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 22:41:37,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:37,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 22:41:37,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-06 22:41:37,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:37,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:37,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:37,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:38,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-06 22:41:38,097 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:38,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:38,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1588243908, now seen corresponding path program 2 times [2021-06-06 22:41:38,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:38,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190609445] [2021-06-06 22:41:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:38,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:38,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190609445] [2021-06-06 22:41:38,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190609445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:38,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227306269] [2021-06-06 22:41:38,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:38,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:41:38,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:38,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 22:41:38,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:38,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227306269] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:38,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:38,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 22:41:38,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878132583] [2021-06-06 22:41:38,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 22:41:38,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:38,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 22:41:38,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 22:41:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:38,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:38,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:38,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:38,741 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:38,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:38,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1559599841, now seen corresponding path program 3 times [2021-06-06 22:41:38,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:38,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747368455] [2021-06-06 22:41:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:39,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:39,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747368455] [2021-06-06 22:41:39,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747368455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:39,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870340710] [2021-06-06 22:41:39,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:39,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 22:41:39,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:39,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 22:41:39,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:39,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:39,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:39,643 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-06 22:41:39,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:41:39,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:41:39,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:41:39,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-06 22:41:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:39,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870340710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:39,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:39,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2021-06-06 22:41:39,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52935910] [2021-06-06 22:41:39,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 22:41:39,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:39,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 22:41:39,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2021-06-06 22:41:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:39,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:39,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.076923076923077) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:39,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:39,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:39,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:40,801 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2021-06-06 22:41:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:41,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:41,401 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:41,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:41,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1808843176, now seen corresponding path program 4 times [2021-06-06 22:41:41,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:41,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646044029] [2021-06-06 22:41:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:41,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:41,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646044029] [2021-06-06 22:41:41,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646044029] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:41,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779300068] [2021-06-06 22:41:41,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:41,478 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:41:41,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:41,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 22:41:41,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:41,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779300068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:41,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:41,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-06 22:41:41,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850201785] [2021-06-06 22:41:41,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 22:41:41,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:41,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 22:41:41,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-06-06 22:41:41,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:41,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:41,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:41,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:41,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:41,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:41,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:42,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:42,057 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:42,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1168334901, now seen corresponding path program 5 times [2021-06-06 22:41:42,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:42,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522613531] [2021-06-06 22:41:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:42,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:42,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522613531] [2021-06-06 22:41:42,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522613531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:42,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840984074] [2021-06-06 22:41:42,748 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:42,780 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 22:41:42,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:42,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-06 22:41:42,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:43,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:43,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:43,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:43,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-06-06 22:41:43,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:41:43,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:41:43,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:41:43,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:3 [2021-06-06 22:41:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:43,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840984074] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:43,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:43,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 33 [2021-06-06 22:41:43,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004785832] [2021-06-06 22:41:43,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 22:41:43,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:43,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 22:41:43,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1015, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 22:41:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:43,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:43,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 33 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:43,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:43,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:43,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:43,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:43,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:44,916 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2021-06-06 22:41:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:45,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:45,406 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:45,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:45,406 INFO L82 PathProgramCache]: Analyzing trace with hash 805169732, now seen corresponding path program 6 times [2021-06-06 22:41:45,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:45,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590626949] [2021-06-06 22:41:45,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:45,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:45,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590626949] [2021-06-06 22:41:45,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590626949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:45,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655336198] [2021-06-06 22:41:45,484 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:45,514 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 22:41:45,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:45,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 22:41:45,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:45,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655336198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:45,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:45,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2021-06-06 22:41:45,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292410037] [2021-06-06 22:41:45,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 22:41:45,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 22:41:45,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-06-06 22:41:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:45,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:45,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 18 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:46,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:46,105 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash 838163551, now seen corresponding path program 7 times [2021-06-06 22:41:46,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:46,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475556488] [2021-06-06 22:41:46,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:47,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:47,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475556488] [2021-06-06 22:41:47,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475556488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:47,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651018801] [2021-06-06 22:41:47,029 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:47,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 22:41:47,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:47,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:47,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:47,675 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 37 treesize of output 15 [2021-06-06 22:41:47,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:41:47,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:41:47,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:41:47,681 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:3 [2021-06-06 22:41:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:47,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651018801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:47,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:47,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 39 [2021-06-06 22:41:47,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632825116] [2021-06-06 22:41:47,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 22:41:47,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:47,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 22:41:47,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1426, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 22:41:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:47,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:47,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.95) internal successors, (78), 39 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:49,486 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 53 [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:41:51,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-06 22:41:51,569 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash 224747019, now seen corresponding path program 8 times [2021-06-06 22:41:51,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:51,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112114807] [2021-06-06 22:41:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:52,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:52,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112114807] [2021-06-06 22:41:52,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112114807] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:52,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628779066] [2021-06-06 22:41:52,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:52,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:41:52,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:52,831 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-06 22:41:52,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:41:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:41:53,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:53,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:41:53,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 17 [2021-06-06 22:41:53,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:41:53,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:41:53,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:41:53,822 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:16 [2021-06-06 22:41:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:53,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628779066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:53,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:41:53,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28] total 51 [2021-06-06 22:41:53,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057664286] [2021-06-06 22:41:53,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 22:41:53,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:41:53,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 22:41:53,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=2366, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 22:41:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:53,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:41:53,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 51 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:41:53,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:41:56,926 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-06-06 22:41:57,065 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:41:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:41:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:41:57,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:57,745 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:41:57,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:41:57,746 INFO L82 PathProgramCache]: Analyzing trace with hash 2015548319, now seen corresponding path program 9 times [2021-06-06 22:41:57,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:41:57,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634172717] [2021-06-06 22:41:57,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:41:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:41:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:41:59,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:41:59,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634172717] [2021-06-06 22:41:59,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634172717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:41:59,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134967281] [2021-06-06 22:41:59,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:41:59,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 22:41:59,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:41:59,118 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 22:41:59,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:00,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:00,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:00,553 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 53 treesize of output 19 [2021-06-06 22:42:00,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:00,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:00,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:00,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:16 [2021-06-06 22:42:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:00,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134967281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:00,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:00,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32] total 60 [2021-06-06 22:42:00,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579705489] [2021-06-06 22:42:00,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-06-06 22:42:00,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:00,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-06-06 22:42:00,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=3328, Unknown=0, NotChecked=0, Total=3660 [2021-06-06 22:42:00,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:00,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:00,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.6721311475409837) internal successors, (102), 60 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:04,935 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 22:42:06,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:06,285 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:06,285 INFO L82 PathProgramCache]: Analyzing trace with hash -141861813, now seen corresponding path program 10 times [2021-06-06 22:42:06,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:06,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712657971] [2021-06-06 22:42:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 22 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:07,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:07,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712657971] [2021-06-06 22:42:07,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712657971] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:07,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298310032] [2021-06-06 22:42:07,968 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:08,005 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:42:08,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:08,006 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-06 22:42:08,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:09,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:09,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:09,571 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 61 treesize of output 21 [2021-06-06 22:42:09,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:09,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:09,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:09,576 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:3 [2021-06-06 22:42:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:09,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298310032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:09,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:09,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 31] total 63 [2021-06-06 22:42:09,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274392622] [2021-06-06 22:42:09,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-06 22:42:09,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:09,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-06 22:42:09,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=3746, Unknown=0, NotChecked=0, Total=4032 [2021-06-06 22:42:09,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:09,608 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:09,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.78125) internal successors, (114), 63 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 22:42:09,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:13,136 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-06-06 22:42:14,742 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-06-06 22:42:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 22:42:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 22:42:16,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 22:42:16,065 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:16,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1546990881, now seen corresponding path program 11 times [2021-06-06 22:42:16,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:16,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218567637] [2021-06-06 22:42:16,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:17,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:17,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218567637] [2021-06-06 22:42:17,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218567637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:17,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557162676] [2021-06-06 22:42:17,938 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:17,974 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-06 22:42:17,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:17,975 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 73 conjunts are in the unsatisfiable core [2021-06-06 22:42:17,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:20,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:20,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 23 [2021-06-06 22:42:20,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:20,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:20,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:20,302 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-06-06 22:42:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:20,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557162676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:20,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:20,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 73 [2021-06-06 22:42:20,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724267112] [2021-06-06 22:42:20,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-06-06 22:42:20,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:20,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-06-06 22:42:20,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=5086, Unknown=0, NotChecked=0, Total=5402 [2021-06-06 22:42:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:20,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:20,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 73 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 22:42:20,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:24,923 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-06-06 22:42:27,063 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2021-06-06 22:42:27,273 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 22:42:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 22:42:28,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:28,907 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:28,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:28,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1779000693, now seen corresponding path program 12 times [2021-06-06 22:42:28,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:28,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167696418] [2021-06-06 22:42:28,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 51 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:31,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:31,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167696418] [2021-06-06 22:42:31,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167696418] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:31,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622657261] [2021-06-06 22:42:31,112 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:31,169 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-06 22:42:31,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:31,171 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-06 22:42:31,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,371 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-06-06 22:42:34,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:34,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 77 treesize of output 457 [2021-06-06 22:42:36,227 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 503 Received shutdown request... [2021-06-06 22:56:12,450 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-06 22:56:12,450 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 22:56:12,456 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 22:56:12,457 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 22:56:12,457 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 10:56:12 BasicIcfg [2021-06-06 22:56:12,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 22:56:12,457 INFO L168 Benchmark]: Toolchain (without parser) took 876034.45 ms. Allocated memory was 396.4 MB in the beginning and 843.1 MB in the end (delta: 446.7 MB). Free memory was 375.9 MB in the beginning and 793.2 MB in the end (delta: -417.3 MB). Peak memory consumption was 538.2 MB. Max. memory is 16.0 GB. [2021-06-06 22:56:12,458 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 396.4 MB. Free memory was 377.0 MB in the beginning and 376.9 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:56:12,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 396.4 MB. Free memory was 375.8 MB in the beginning and 374.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:56:12,458 INFO L168 Benchmark]: Boogie Preprocessor took 12.92 ms. Allocated memory is still 396.4 MB. Free memory was 374.4 MB in the beginning and 373.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 22:56:12,458 INFO L168 Benchmark]: RCFGBuilder took 223.84 ms. Allocated memory is still 396.4 MB. Free memory was 373.3 MB in the beginning and 361.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 22:56:12,458 INFO L168 Benchmark]: TraceAbstraction took 875775.99 ms. Allocated memory was 396.4 MB in the beginning and 843.1 MB in the end (delta: 446.7 MB). Free memory was 361.4 MB in the beginning and 793.2 MB in the end (delta: -431.8 MB). Peak memory consumption was 523.5 MB. Max. memory is 16.0 GB. [2021-06-06 22:56:12,458 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 0.09 ms. Allocated memory is still 396.4 MB. Free memory was 377.0 MB in the beginning and 376.9 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 396.4 MB. Free memory was 375.8 MB in the beginning and 374.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.92 ms. Allocated memory is still 396.4 MB. Free memory was 374.4 MB in the beginning and 373.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 223.84 ms. Allocated memory is still 396.4 MB. Free memory was 373.3 MB in the beginning and 361.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 875775.99 ms. Allocated memory was 396.4 MB in the beginning and 843.1 MB in the end (delta: 446.7 MB). Free memory was 361.4 MB in the beginning and 793.2 MB in the end (delta: -431.8 MB). Peak memory consumption was 523.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3884, positive: 3273, positive conditional: 3273, positive unconditional: 0, negative: 611, negative conditional: 611, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3273, positive: 3273, positive conditional: 3273, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3273, positive: 3273, positive conditional: 0, positive unconditional: 3273, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3273, positive: 3211, positive conditional: 0, positive unconditional: 3211, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 611 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 73 with TraceHistMax 9,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 875672.9ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 31548.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 371, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.8ms SsaConstructionTime, 278.3ms SatisfiabilityAnalysisTime, 17593.4ms InterpolantComputationTime, 918 NumberOfCodeBlocks, 918 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 896 ConstructedInterpolants, 0 QuantifiedInterpolants, 26870 SizeOfPredicates, 67 NumberOfNonLiveVariables, 941 ConjunctsInSsa, 395 ConjunctsInUnsatCore, 22 InterpolantComputations, 0 PerfectInterpolantSequences, 82/1266 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown