/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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 18:35:12,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 18:35:12,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 18:35:12,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 18:35:12,525 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 18:35:12,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 18:35:12,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 18:35:12,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 18:35:12,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 18:35:12,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 18:35:12,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 18:35:12,551 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 18:35:12,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 18:35:12,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 18:35:12,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 18:35:12,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 18:35:12,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 18:35:12,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 18:35:12,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 18:35:12,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 18:35:12,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 18:35:12,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:35:12,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 18:35:12,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 18:35:12,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 18:35:12,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 18:35:12,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 18:35:12,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 18:35:12,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 18:35:12,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 18:35:12,555 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 18:35:12,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 18:35:12,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 18:35:13,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 18:35:13,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 18:35:13,004 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 18:35:13,006 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 18:35:13,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl [2021-03-12 18:35:13,008 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl' [2021-03-12 18:35:13,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 18:35:13,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 18:35:13,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 18:35:13,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 18:35:13,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 18:35:13,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 18:35:13,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 18:35:13,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 18:35:13,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 18:35:13,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/1) ... [2021-03-12 18:35:13,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 18:35:13,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 18:35:13,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 18:35:13,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 18:35:13,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (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 18:35:13,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 18:35:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 18:35:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 18:35:13,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 18:35:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 18:35:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 18:35:13,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 18:35:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 18:35:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 18:35:13,206 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 18:35:13,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 18:35:13,520 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 18:35:13,522 INFO L202 PluginConnector]: Adding new model inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:35:13 BoogieIcfgContainer [2021-03-12 18:35:13,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 18:35:13,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 18:35:13,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 18:35:13,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 18:35:13,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:35:13" (1/2) ... [2021-03-12 18:35:13,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2120ade3 and model type inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 06:35:13, skipping insertion in model container [2021-03-12 18:35:13,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:35:13" (2/2) ... [2021-03-12 18:35:13,535 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq.wvr.bpl [2021-03-12 18:35:13,565 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 18:35:13,565 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 18:35:13,569 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 18:35:13,570 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 18:35:13,618 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 18:35:13,641 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 18:35:13,702 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 18:35:13,703 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 18:35:13,703 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 18:35:13,703 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 18:35:13,703 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 18:35:13,703 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 18:35:13,703 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 18:35:13,703 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 18:35:13,861 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:13,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:13,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2007819668, now seen corresponding path program 1 times [2021-03-12 18:35:13,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:13,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888810675] [2021-03-12 18:35:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:14,114 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 18:35:14,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888810675] [2021-03-12 18:35:14,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:35:14,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:35:14,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398260847] [2021-03-12 18:35:14,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:35:14,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:35:14,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:35:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:35:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:14,151 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:35:14,160 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 18:35:14,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:14,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:14,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 18:35:14,260 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:14,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:14,265 INFO L82 PathProgramCache]: Analyzing trace with hash -369699284, now seen corresponding path program 2 times [2021-03-12 18:35:14,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:14,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378985915] [2021-03-12 18:35:14,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:14,538 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 18:35:14,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378985915] [2021-03-12 18:35:14,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708490350] [2021-03-12 18:35:14,541 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 18:35:14,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:35:14,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:35:14,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 18:35:14,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:35:14,819 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 18:35:14,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:35:14,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:14,830 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 18:35:14,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-03-12 18:35:14,875 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 18:35:14,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:35:14,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:14,904 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 18:35:14,905 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-03-12 18:35:14,937 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 18:35:14,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:35:14,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-03-12 18:35:14,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11581934] [2021-03-12 18:35:14,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 18:35:14,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:35:14,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 18:35:14,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-12 18:35:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:14,942 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:35:14,942 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 18:35:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:15,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:15,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:35:15,379 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:15,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:15,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1728612795, now seen corresponding path program 3 times [2021-03-12 18:35:15,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:15,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265511316] [2021-03-12 18:35:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:15,804 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 18:35:15,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265511316] [2021-03-12 18:35:15,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603438477] [2021-03-12 18:35:15,805 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 18:35:15,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 18:35:15,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:35:15,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 18:35:15,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:35:16,225 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:16,226 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 18:35:16,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:35:16,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:16,267 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 18:35:16,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-03-12 18:35:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:16,473 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:16,474 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 18:35:16,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 18:35:16,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:16,540 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 18:35:16,541 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:21 [2021-03-12 18:35:16,657 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 18:35:16,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:35:16,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-03-12 18:35:16,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259951291] [2021-03-12 18:35:16,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 18:35:16,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:35:16,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 18:35:16,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2021-03-12 18:35:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:16,661 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:35:16,661 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 18:35:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:35:17,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:35:17,963 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:17,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:17,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1493145293, now seen corresponding path program 1 times [2021-03-12 18:35:17,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:17,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341021415] [2021-03-12 18:35:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:18,056 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 18:35:18,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341021415] [2021-03-12 18:35:18,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813957326] [2021-03-12 18:35:18,057 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 18:35:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:18,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 18:35:18,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:35:18,226 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 18:35:18,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:35:18,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 18:35:18,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944469677] [2021-03-12 18:35:18,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 18:35:18,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:35:18,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 18:35:18,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-12 18:35:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:18,231 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:35:18,231 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 18:35:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:35:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:18,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:35:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:35:18,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:35:18,619 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash 370970794, now seen corresponding path program 2 times [2021-03-12 18:35:18,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:18,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903965309] [2021-03-12 18:35:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:19,860 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 18:35:19,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903965309] [2021-03-12 18:35:19,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806669123] [2021-03-12 18:35:19,860 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 18:35:19,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:35:19,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:35:19,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-03-12 18:35:19,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:35:22,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:22,949 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 18:35:22,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:35:23,242 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-03-12 18:35:23,243 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-03-12 18:35:23,358 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 18:35:23,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-03-12 18:35:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:35:24,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:35:24,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:24,187 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 18:35:24,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 18:35:24,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:35:24,309 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 18:35:24,310 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-03-12 18:35:24,424 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 18:35:24,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:35:24,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39] total 68 [2021-03-12 18:35:24,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84185100] [2021-03-12 18:35:24,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-03-12 18:35:24,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:35:24,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-03-12 18:35:24,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=4193, Unknown=0, NotChecked=0, Total=4692 [2021-03-12 18:35:24,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:24,440 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:35:24,440 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 18:35:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:35:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:35:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:35:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:35:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:35:26,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-12 18:35:26,580 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash 475899520, now seen corresponding path program 3 times [2021-03-12 18:35:26,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:26,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419520669] [2021-03-12 18:35:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:26,722 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 18:35:26,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419520669] [2021-03-12 18:35:26,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124803346] [2021-03-12 18:35:26,723 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 18:35:26,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-03-12 18:35:26,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:35:26,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 18:35:26,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:35:26,963 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 18:35:26,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:35:26,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-12 18:35:26,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202585150] [2021-03-12 18:35:26,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 18:35:26,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:35:26,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 18:35:26,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-12 18:35:26,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:26,965 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:35:26,966 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 18:35:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:35:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:35:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:35:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:35:27,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:35:27,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:35:27,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:35:27,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:35:27,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:35:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:35:27,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:35:27,247 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:35:27,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:35:27,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1387776392, now seen corresponding path program 4 times [2021-03-12 18:35:27,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:35:27,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176734798] [2021-03-12 18:35:27,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:35:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:35:28,737 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 18:35:28,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176734798] [2021-03-12 18:35:28,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39588171] [2021-03-12 18:35:28,738 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 18:35:28,786 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:35:28,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:35:28,790 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-03-12 18:35:28,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:35:48,566 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 18:36:10,962 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 18:36:11,186 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-12 18:36:11,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:36:11,187 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 18:36:11,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:12,021 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 165 [2021-03-12 18:36:12,022 INFO L628 ElimStorePlain]: treesize reduction 364, result has 61.4 percent of original size [2021-03-12 18:36:12,371 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 18:36:12,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:143 [2021-03-12 18:36:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:36:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:36:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:15,651 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 18:36:15,655 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:15,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:36:15,664 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 18:36:15,664 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-03-12 18:36:15,676 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 18:36:15,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:36:15,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-03-12 18:36:15,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976183355] [2021-03-12 18:36:15,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-03-12 18:36:15,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:36:15,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-03-12 18:36:15,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-03-12 18:36:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:15,681 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:36:15,682 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 18:36:15,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:15,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:15,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:15,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:15,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:15,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:15,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:18,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:36:18,024 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:36:18,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:36:18,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1859430946, now seen corresponding path program 5 times [2021-03-12 18:36:18,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:36:18,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528770996] [2021-03-12 18:36:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:36:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:36:18,137 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 18:36:18,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528770996] [2021-03-12 18:36:18,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927564433] [2021-03-12 18:36:18,138 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 18:36:18,192 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-03-12 18:36:18,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:36:18,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 18:36:18,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:36:18,391 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 18:36:18,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:36:18,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 18:36:18,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171280300] [2021-03-12 18:36:18,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 18:36:18,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:36:18,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 18:36:18,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-03-12 18:36:18,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:18,396 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:36:18,396 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 18:36:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:18,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:18,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:18,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:36:18,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable233 [2021-03-12 18:36:18,711 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:36:18,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:36:18,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1374304522, now seen corresponding path program 6 times [2021-03-12 18:36:18,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:36:18,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301603025] [2021-03-12 18:36:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:36:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:36:20,809 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 18:36:20,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301603025] [2021-03-12 18:36:20,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097288613] [2021-03-12 18:36:20,810 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 18:36:20,879 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-03-12 18:36:20,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:36:20,882 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 132 conjunts are in the unsatisfiable core [2021-03-12 18:36:20,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:36:27,169 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-03-12 18:36:27,170 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:36:27,170 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 18:36:27,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:27,974 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 180 [2021-03-12 18:36:27,975 INFO L628 ElimStorePlain]: treesize reduction 698, result has 48.3 percent of original size [2021-03-12 18:36:29,228 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 18:36:29,228 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:108 [2021-03-12 18:36:31,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,642 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-03-12 18:36:31,718 INFO L354 Elim1Store]: treesize reduction 78, result has 42.2 percent of original size [2021-03-12 18:36:31,719 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 18:36:31,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:31,875 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-03-12 18:36:31,951 INFO L354 Elim1Store]: treesize reduction 14, result has 84.3 percent of original size [2021-03-12 18:36:31,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 112 treesize of output 108 [2021-03-12 18:36:32,019 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,204 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-03-12 18:36:32,264 INFO L354 Elim1Store]: treesize reduction 40, result has 60.4 percent of original size [2021-03-12 18:36:32,265 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 18:36:32,298 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:32,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,502 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-03-12 18:36:32,513 INFO L354 Elim1Store]: treesize reduction 148, result has 0.7 percent of original size [2021-03-12 18:36:32,513 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 18:36:32,514 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:36:32,603 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-03-12 18:36:32,604 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 18:36:32,605 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-12 18:36:32,671 INFO L628 ElimStorePlain]: treesize reduction 50, result has 56.5 percent of original size [2021-03-12 18:36:32,675 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 18:36:32,675 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-03-12 18:36:32,917 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 18:36:32,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:36:32,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 69] total 117 [2021-03-12 18:36:32,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810742687] [2021-03-12 18:36:32,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-03-12 18:36:32,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:36:32,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-03-12 18:36:32,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=13005, Unknown=0, NotChecked=0, Total=13806 [2021-03-12 18:36:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:32,923 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:36:32,924 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 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:36:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:36:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:36:37,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-03-12 18:36:37,781 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:36:37,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:36:37,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1703204404, now seen corresponding path program 7 times [2021-03-12 18:36:37,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:36:37,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012656172] [2021-03-12 18:36:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:36:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:36:37,880 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 18:36:37,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012656172] [2021-03-12 18:36:37,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159805031] [2021-03-12 18:36:37,881 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 18:36:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:36:37,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 18:36:37,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:36:38,148 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 18:36:38,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:36:38,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-03-12 18:36:38,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082903021] [2021-03-12 18:36:38,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 18:36:38,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:36:38,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 18:36:38,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-03-12 18:36:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:38,151 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:36:38,151 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 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:36:38,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:36:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:36:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 18:36:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:36:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:36:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:36:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 18:36:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:36:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:36:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:36:38,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1042,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:36:38,431 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:36:38,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:36:38,432 INFO L82 PathProgramCache]: Analyzing trace with hash -774473272, now seen corresponding path program 8 times [2021-03-12 18:36:38,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:36:38,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995078101] [2021-03-12 18:36:38,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:36:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:36:40,982 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 18:36:40,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995078101] [2021-03-12 18:36:40,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555940880] [2021-03-12 18:36:40,983 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 18:36:41,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:36:41,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:36:41,051 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2021-03-12 18:36:41,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:37:10,557 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 18:37:39,426 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 18:37:55,875 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-03-12 18:37:55,876 WARN L340 FreeRefinementEngine]: Global settings require throwing the following exception [2021-03-12 18:37:56,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1043,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:37:56,098 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 18:37:56,102 INFO L168 Benchmark]: Toolchain (without parser) took 163045.11 ms. Allocated memory was 255.9 MB in the beginning and 629.1 MB in the end (delta: 373.3 MB). Free memory was 236.4 MB in the beginning and 292.3 MB in the end (delta: -55.9 MB). Peak memory consumption was 318.0 MB. Max. memory is 16.0 GB. [2021-03-12 18:37:56,103 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:37:56,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.07 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:37:56,103 INFO L168 Benchmark]: Boogie Preprocessor took 28.16 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 936.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 18:37:56,103 INFO L168 Benchmark]: RCFGBuilder took 395.03 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 235.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.0 GB. [2021-03-12 18:37:56,103 INFO L168 Benchmark]: TraceAbstraction took 162577.97 ms. Allocated memory was 255.9 MB in the beginning and 629.1 MB in the end (delta: 373.3 MB). Free memory was 234.3 MB in the beginning and 292.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 314.6 MB. Max. memory is 16.0 GB. [2021-03-12 18:37:56,104 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 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.07 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.16 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 936.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 395.03 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 235.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 162577.97 ms. Allocated memory was 255.9 MB in the beginning and 629.1 MB in the end (delta: 373.3 MB). Free memory was 234.3 MB in the beginning and 292.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 314.6 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...