/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 18:32:19,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 18:32:19,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 18:32:19,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 18:32:19,890 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-Sleep-NoLbe-New_States.epf [2021-03-12 18:32:19,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 18:32:19,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 18:32:19,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 18:32:19,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 18:32:19,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 18:32:19,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 18:32:19,924 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 18:32:19,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 18:32:19,924 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 18:32:19,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 18:32:19,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 18:32:19,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 18:32:19,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 18:32:19,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 18:32:19,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 18:32:19,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 18:32:19,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 18:32:19,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:32:19,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 18:32:19,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 18:32:19,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 18:32:19,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 18:32:19,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 18:32:19,928 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 18:32:19,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 18:32:19,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 18:32:19,929 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 18:32:19,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 18:32:20,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 18:32:20,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 18:32:20,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 18:32:20,362 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 18:32:20,363 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 18:32:20,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2021-03-12 18:32:20,365 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2021-03-12 18:32:20,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 18:32:20,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 18:32:20,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 18:32:20,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 18:32:20,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 18:32:20,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 18:32:20,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 18:32:20,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 18:32:20,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 18:32:20,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... [2021-03-12 18:32:20,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 18:32:20,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 18:32:20,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 18:32:20,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 18:32:20,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:32:20,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 18:32:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 18:32:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 18:32:20,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 18:32:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 18:32:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 18:32:20,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 18:32:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 18:32:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 18:32:20,863 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 18:32:21,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 18:32:21,184 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 18:32:21,185 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:32:21 BoogieIcfgContainer [2021-03-12 18:32:21,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 18:32:21,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 18:32:21,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 18:32:21,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 18:32:21,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:32:20" (1/2) ... [2021-03-12 18:32:21,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209da8bf and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 06:32:21, skipping insertion in model container [2021-03-12 18:32:21,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:32:21" (2/2) ... [2021-03-12 18:32:21,193 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2021-03-12 18:32:21,199 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 18:32:21,199 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 18:32:21,219 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 18:32:21,220 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 18:32:21,290 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 18:32:21,309 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 18:32:21,391 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 18:32:21,391 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 18:32:21,391 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 18:32:21,391 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 18:32:21,391 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 18:32:21,391 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 18:32:21,391 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 18:32:21,391 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 18:32:21,587 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:21,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:21,595 INFO L82 PathProgramCache]: Analyzing trace with hash -2007819668, now seen corresponding path program 1 times [2021-03-12 18:32:21,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:21,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356060790] [2021-03-12 18:32:21,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:32:21,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356060790] [2021-03-12 18:32:21,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:32:21,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:32:21,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944608530] [2021-03-12 18:32:21,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:32:21,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:21,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:32:21,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:32:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:21,828 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:21,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:21,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:21,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 18:32:21,890 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:21,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:21,891 INFO L82 PathProgramCache]: Analyzing trace with hash -369699284, now seen corresponding path program 2 times [2021-03-12 18:32:21,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:21,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094628333] [2021-03-12 18:32:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:22,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094628333] [2021-03-12 18:32:22,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210012742] [2021-03-12 18:32:22,102 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 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 [2021-03-12 18:32:22,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:32:22,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:22,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 18:32:22,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:22,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-12 18:32:22,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:32:22,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:22,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:32:22,429 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-03-12 18:32:22,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 18:32:22,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:32:22,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:22,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:32:22,512 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-03-12 18:32:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:22,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:22,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-03-12 18:32:22,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274951597] [2021-03-12 18:32:22,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 18:32:22,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:22,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 18:32:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-12 18:32:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:22,590 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:22,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 11 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) [2021-03-12 18:32:22,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:22,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:22,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:22,992 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:22,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:22,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1728612795, now seen corresponding path program 3 times [2021-03-12 18:32:22,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:22,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264682567] [2021-03-12 18:32:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:23,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264682567] [2021-03-12 18:32:23,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410362128] [2021-03-12 18:32:23,311 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 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 [2021-03-12 18:32:23,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 18:32:23,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:23,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 18:32:23,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:23,667 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:23,668 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2021-03-12 18:32:23,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:32:23,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:23,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:32:23,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-03-12 18:32:23,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:23,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:23,882 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:23,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-03-12 18:32:23,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 18:32:23,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:23,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:32:23,935 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:21 [2021-03-12 18:32:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:24,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:24,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-03-12 18:32:24,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289745594] [2021-03-12 18:32:24,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 18:32:24,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:24,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 18:32:24,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2021-03-12 18:32:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:24,044 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:24,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0714285714285716) internal successors, (58), 27 states have internal predecessors, (58), 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) [2021-03-12 18:32:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:32:25,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:25,320 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:25,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1493145293, now seen corresponding path program 1 times [2021-03-12 18:32:25,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:25,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798536786] [2021-03-12 18:32:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-12 18:32:25,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798536786] [2021-03-12 18:32:25,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766736892] [2021-03-12 18:32:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:25,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 18:32:25,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-12 18:32:25,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:25,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 18:32:25,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143077574] [2021-03-12 18:32:25,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 18:32:25,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:25,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 18:32:25,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-12 18:32:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:25,585 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:25,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-03-12 18:32:25,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:25,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:25,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:32:25,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:32:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:32:25,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:25,960 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:25,960 INFO L82 PathProgramCache]: Analyzing trace with hash 370970794, now seen corresponding path program 2 times [2021-03-12 18:32:25,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:25,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285501406] [2021-03-12 18:32:25,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 2 proven. 155 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-12 18:32:27,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285501406] [2021-03-12 18:32:27,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421783832] [2021-03-12 18:32:27,182 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 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 [2021-03-12 18:32:27,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:32:27,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:27,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-03-12 18:32:27,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:30,290 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:30,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 178 [2021-03-12 18:32:30,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:32:30,583 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-03-12 18:32:30,585 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-03-12 18:32:30,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:32:30,712 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-03-12 18:32:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:31,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:32:31,578 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:31,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 80 [2021-03-12 18:32:31,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 18:32:31,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:31,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:32:31,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-03-12 18:32:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:31,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:31,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39] total 68 [2021-03-12 18:32:31,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721532650] [2021-03-12 18:32:31,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-03-12 18:32:31,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:31,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-03-12 18:32:31,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=4193, Unknown=0, NotChecked=0, Total=4692 [2021-03-12 18:32:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:31,804 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:31,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 1.826086956521739) internal successors, (126), 68 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) [2021-03-12 18:32:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:32:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:32:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:32:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:32:33,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:33,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-12 18:32:33,869 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:33,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:33,869 INFO L82 PathProgramCache]: Analyzing trace with hash 475899520, now seen corresponding path program 3 times [2021-03-12 18:32:33,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:33,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172023979] [2021-03-12 18:32:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-03-12 18:32:33,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172023979] [2021-03-12 18:32:33,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925511511] [2021-03-12 18:32:33,978 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 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 [2021-03-12 18:32:34,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-03-12 18:32:34,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:34,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 18:32:34,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-03-12 18:32:34,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:34,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-12 18:32:34,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70684461] [2021-03-12 18:32:34,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 18:32:34,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:34,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 18:32:34,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-12 18:32:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:34,241 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:34,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-03-12 18:32:34,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:34,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:34,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:32:34,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:32:34,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:34,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:32:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:32:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:34,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:34,541 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:34,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:34,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1387776392, now seen corresponding path program 4 times [2021-03-12 18:32:34,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:34,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044987934] [2021-03-12 18:32:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-03-12 18:32:35,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044987934] [2021-03-12 18:32:35,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724862342] [2021-03-12 18:32:35,885 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 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 [2021-03-12 18:32:35,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:32:35,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:35,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-03-12 18:32:35,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:54,909 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 18:33:16,517 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 18:33:16,787 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-12 18:33:16,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:16,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 122 treesize of output 302 [2021-03-12 18:33:16,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:17,637 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 165 [2021-03-12 18:33:17,638 INFO L628 ElimStorePlain]: treesize reduction 364, result has 61.4 percent of original size [2021-03-12 18:33:17,939 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-12 18:33:17,940 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:143 [2021-03-12 18:33:20,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:20,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:20,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 28 [2021-03-12 18:33:20,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:20,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:20,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:33:20,938 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-03-12 18:33:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:33:20,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:33:20,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-03-12 18:33:20,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451554708] [2021-03-12 18:33:20,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-03-12 18:33:20,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:33:20,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-03-12 18:33:20,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-03-12 18:33:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:20,960 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:33:20,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.755813953488372) internal successors, (151), 85 states have internal predecessors, (151), 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) [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:20,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:23,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:33:23,384 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:33:23,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:33:23,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1859430946, now seen corresponding path program 5 times [2021-03-12 18:33:23,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:33:23,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129221780] [2021-03-12 18:33:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:33:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:23,494 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 18:33:23,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129221780] [2021-03-12 18:33:23,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553779932] [2021-03-12 18:33:23,494 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 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 [2021-03-12 18:33:23,555 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-03-12 18:33:23,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:33:23,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 18:33:23,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:33:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 18:33:23,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:33:23,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 18:33:23,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898964386] [2021-03-12 18:33:23,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 18:33:23,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:33:23,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 18:33:23,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-03-12 18:33:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:23,743 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:33:23,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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) [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:23,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:33:24,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable233 [2021-03-12 18:33:24,035 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:33:24,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:33:24,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1374304522, now seen corresponding path program 6 times [2021-03-12 18:33:24,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:33:24,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622042880] [2021-03-12 18:33:24,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:33:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-03-12 18:33:26,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622042880] [2021-03-12 18:33:26,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246931480] [2021-03-12 18:33:26,052 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 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 [2021-03-12 18:33:26,132 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-03-12 18:33:26,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:33:26,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 132 conjunts are in the unsatisfiable core [2021-03-12 18:33:26,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:33:34,229 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-03-12 18:33:34,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:34,230 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 10 new quantified variables, introduced 35 case distinctions, treesize of input 154 treesize of output 378 [2021-03-12 18:33:34,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:35,308 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 262 DAG size of output: 180 [2021-03-12 18:33:35,309 INFO L628 ElimStorePlain]: treesize reduction 698, result has 48.3 percent of original size [2021-03-12 18:33:36,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:33:36,996 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:108 [2021-03-12 18:33:39,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:39,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:39,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:39,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:39,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,191 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-03-12 18:33:40,265 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:40,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 57 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 132 [2021-03-12 18:33:40,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-03-12 18:33:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,717 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-03-12 18:33:40,784 INFO L354 Elim1Store]: treesize reduction 78, result has 42.2 percent of original size [2021-03-12 18:33:40,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 123 treesize of output 93 [2021-03-12 18:33:40,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,093 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-03-12 18:33:41,185 INFO L354 Elim1Store]: treesize reduction 40, result has 60.4 percent of original size [2021-03-12 18:33:41,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 69 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 97 [2021-03-12 18:33:41,243 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,502 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-03-12 18:33:41,513 INFO L354 Elim1Store]: treesize reduction 148, result has 0.7 percent of original size [2021-03-12 18:33:41,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 123 treesize of output 1 [2021-03-12 18:33:41,515 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:41,631 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-03-12 18:33:41,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 1 [2021-03-12 18:33:41,632 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-12 18:33:41,730 INFO L628 ElimStorePlain]: treesize reduction 188, result has 25.7 percent of original size [2021-03-12 18:33:41,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-12 18:33:41,734 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-03-12 18:33:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:33:41,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:33:41,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 69] total 117 [2021-03-12 18:33:41,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012166970] [2021-03-12 18:33:41,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-03-12 18:33:41,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:33:41,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-03-12 18:33:41,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=13005, Unknown=0, NotChecked=0, Total=13806 [2021-03-12 18:33:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:41,993 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:33:41,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 118 states, 118 states have (on average 1.5932203389830508) internal successors, (188), 117 states have internal predecessors, (188), 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) [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:33:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:33:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:33:48,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-03-12 18:33:48,305 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:33:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:33:48,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1703204404, now seen corresponding path program 7 times [2021-03-12 18:33:48,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:33:48,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960551566] [2021-03-12 18:33:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:33:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-03-12 18:33:48,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960551566] [2021-03-12 18:33:48,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055021401] [2021-03-12 18:33:48,414 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 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 [2021-03-12 18:33:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:48,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 18:33:48,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:33:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-03-12 18:33:48,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:33:48,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-03-12 18:33:48,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336099929] [2021-03-12 18:33:48,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 18:33:48,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:33:48,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 18:33:48,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-03-12 18:33:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:48,733 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:33:48,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:33:48,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:33:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:33:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:33:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:33:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:33:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:49,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1100 [2021-03-12 18:33:49,059 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:33:49,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:33:49,060 INFO L82 PathProgramCache]: Analyzing trace with hash -774473272, now seen corresponding path program 8 times [2021-03-12 18:33:49,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:33:49,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883371360] [2021-03-12 18:33:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:33:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 629 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-03-12 18:33:52,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883371360] [2021-03-12 18:33:52,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358408754] [2021-03-12 18:33:52,380 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 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 [2021-03-12 18:33:52,450 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:33:52,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:33:52,454 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2021-03-12 18:33:52,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:34:01,699 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-03-12 18:34:25,902 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 18:34:53,556 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 18:35:09,645 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-03-12 18:35:09,649 WARN L340 FreeRefinementEngine]: Global settings require throwing the following exception [2021-03-12 18:35:09,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1101 [2021-03-12 18:35:09,851 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 44 more [2021-03-12 18:35:09,862 INFO L168 Benchmark]: Toolchain (without parser) took 169163.55 ms. Allocated memory was 255.9 MB in the beginning and 625.0 MB in the end (delta: 369.1 MB). Free memory was 236.8 MB in the beginning and 471.2 MB in the end (delta: -234.4 MB). Peak memory consumption was 135.3 MB. Max. memory is 16.0 GB. [2021-03-12 18:35:09,862 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:35:09,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.41 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:35:09,862 INFO L168 Benchmark]: Boogie Preprocessor took 24.85 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.8 MB in the end (delta: 974.8 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 18:35:09,862 INFO L168 Benchmark]: RCFGBuilder took 417.35 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 235.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. [2021-03-12 18:35:09,863 INFO L168 Benchmark]: TraceAbstraction took 168673.89 ms. Allocated memory was 255.9 MB in the beginning and 625.0 MB in the end (delta: 369.1 MB). Free memory was 235.3 MB in the beginning and 471.2 MB in the end (delta: -235.9 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.0 GB. [2021-03-12 18:35:09,866 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 0.21 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.41 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.85 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.8 MB in the end (delta: 974.8 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 417.35 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 235.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 168673.89 ms. Allocated memory was 255.9 MB in the beginning and 625.0 MB in the end (delta: 369.1 MB). Free memory was 235.3 MB in the beginning and 471.2 MB in the end (delta: -235.9 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...