/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-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 02:42:03,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 02:42:03,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 02:42:03,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 02:42:03,275 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-SemanticLbe-Delay.epf [2021-03-13 02:42:03,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 02:42:03,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 02:42:03,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 02:42:03,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 02:42:03,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 02:42:03,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 02:42:03,304 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 02:42:03,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 02:42:03,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 02:42:03,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 02:42:03,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 02:42:03,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 02:42:03,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 02:42:03,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 02:42:03,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 02:42:03,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 02:42:03,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 02:42:03,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 02:42:03,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 02:42:03,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 02:42:03,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 02:42:03,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 02:42:03,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 02:42:03,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 02:42:03,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 02:42:03,308 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 02:42:03,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 02:42:03,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 02:42:03,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 02:42:03,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 02:42:03,686 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 02:42:03,687 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 02:42:03,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2021-03-13 02:42:03,692 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2021-03-13 02:42:03,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 02:42:03,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 02:42:03,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 02:42:03,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 02:42:03,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 02:42:03,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 02:42:03,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 02:42:03,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 02:42:03,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 02:42:03,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/1) ... [2021-03-13 02:42:03,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 02:42:03,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 02:42:03,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 02:42:03,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 02:42:03,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (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 [2021-03-13 02:42:03,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 02:42:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 02:42:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 02:42:03,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 02:42:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 02:42:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 02:42:03,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 02:42:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 02:42:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 02:42:03,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 02:42:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 02:42:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 02:42:03,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-13 02:42:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-13 02:42:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-13 02:42:03,893 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 02:42:04,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 02:42:04,112 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 02:42:04,114 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:42:04 BoogieIcfgContainer [2021-03-13 02:42:04,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 02:42:04,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 02:42:04,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 02:42:04,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 02:42:04,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:42:03" (1/2) ... [2021-03-13 02:42:04,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171856d6 and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 02:42:04, skipping insertion in model container [2021-03-13 02:42:04,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:42:04" (2/2) ... [2021-03-13 02:42:04,131 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2021-03-13 02:42:04,137 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 02:42:04,137 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 02:42:04,141 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 02:42:04,142 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 02:42:04,238 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-13 02:42:04,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-03-13 02:42:04,294 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 02:42:04,294 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 02:42:04,294 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 02:42:04,294 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 02:42:04,294 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 02:42:04,294 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 02:42:04,295 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 02:42:04,295 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 02:42:04,302 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 02:42:04,303 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 102 flow [2021-03-13 02:42:04,305 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 102 flow [2021-03-13 02:42:04,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-03-13 02:42:04,328 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-13 02:42:04,328 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-13 02:42:04,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 64 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2021-03-13 02:42:04,334 INFO L116 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-13 02:42:04,618 INFO L131 LiptonReduction]: Checked pairs total: 569 [2021-03-13 02:42:04,618 INFO L133 LiptonReduction]: Total number of compositions: 9 [2021-03-13 02:42:04,770 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:04,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:04,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1252342418, now seen corresponding path program 1 times [2021-03-13 02:42:04,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:04,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80877436] [2021-03-13 02:42:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:42:04,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80877436] [2021-03-13 02:42:04,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:42:04,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 02:42:04,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863240826] [2021-03-13 02:42:04,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 02:42:04,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:05,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 02:42:05,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-13 02:42:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:05,004 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:05,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-03-13 02:42:05,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:05,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 02:42:05,127 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:05,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:05,128 INFO L82 PathProgramCache]: Analyzing trace with hash 439444684, now seen corresponding path program 1 times [2021-03-13 02:42:05,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:05,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666448204] [2021-03-13 02:42:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:05,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666448204] [2021-03-13 02:42:05,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042709088] [2021-03-13 02:42:05,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:05,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-13 02:42:05,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:05,634 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 15 treesize of output 11 [2021-03-13 02:42:05,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:42:05,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:05,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:42:05,646 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2021-03-13 02:42:05,689 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 15 treesize of output 11 [2021-03-13 02:42:05,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:42:05,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:05,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:42:05,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:7 [2021-03-13 02:42:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:05,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:05,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-13 02:42:05,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372930266] [2021-03-13 02:42:05,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-13 02:42:05,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:05,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-13 02:42:05,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-13 02:42:05,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:05,748 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:05,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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) [2021-03-13 02:42:05,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:05,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:06,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:06,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:06,230 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:06,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:06,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1131153550, now seen corresponding path program 2 times [2021-03-13 02:42:06,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:06,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967796667] [2021-03-13 02:42:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:42:06,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967796667] [2021-03-13 02:42:06,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544420035] [2021-03-13 02:42:06,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:06,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:42:06,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:06,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-13 02:42:06,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:42:06,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-13 02:42:06,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-03-13 02:42:06,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683864181] [2021-03-13 02:42:06,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 02:42:06,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:06,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 02:42:06,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 02:42:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:06,415 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:06,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-03-13 02:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:06,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:06,783 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:06,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:06,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1765154298, now seen corresponding path program 3 times [2021-03-13 02:42:06,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:06,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032191791] [2021-03-13 02:42:06,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:06,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032191791] [2021-03-13 02:42:06,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703057937] [2021-03-13 02:42:06,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:06,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-13 02:42:06,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:06,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-13 02:42:06,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:07,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:07,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-13 02:42:07,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441230505] [2021-03-13 02:42:07,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-13 02:42:07,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:07,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-13 02:42:07,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-13 02:42:07,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:07,015 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:07,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 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) [2021-03-13 02:42:07,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:07,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:07,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:07,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:07,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:07,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:07,543 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:07,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:07,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1757676780, now seen corresponding path program 4 times [2021-03-13 02:42:07,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:07,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438270334] [2021-03-13 02:42:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-13 02:42:07,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438270334] [2021-03-13 02:42:07,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601427019] [2021-03-13 02:42:07,590 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:07,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:42:07,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:07,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-13 02:42:07,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-13 02:42:07,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-13 02:42:07,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-03-13 02:42:07,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226119669] [2021-03-13 02:42:07,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 02:42:07,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:07,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 02:42:07,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-13 02:42:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:07,712 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:07,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-03-13 02:42:07,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:07,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:07,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:07,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:07,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:07,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:07,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:08,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:08,018 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:08,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:08,019 INFO L82 PathProgramCache]: Analyzing trace with hash -265221020, now seen corresponding path program 5 times [2021-03-13 02:42:08,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:08,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167276904] [2021-03-13 02:42:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-13 02:42:08,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167276904] [2021-03-13 02:42:08,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697724565] [2021-03-13 02:42:08,061 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:08,125 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-13 02:42:08,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:08,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-13 02:42:08,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:42:08,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:08,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-03-13 02:42:08,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961650746] [2021-03-13 02:42:08,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-13 02:42:08,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:08,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-13 02:42:08,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-13 02:42:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:08,231 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:08,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 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) [2021-03-13 02:42:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:09,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:09,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:09,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:09,239 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:09,240 INFO L82 PathProgramCache]: Analyzing trace with hash 954309968, now seen corresponding path program 6 times [2021-03-13 02:42:09,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:09,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213972971] [2021-03-13 02:42:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:09,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213972971] [2021-03-13 02:42:09,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410478113] [2021-03-13 02:42:09,301 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:09,362 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-13 02:42:09,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:09,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-13 02:42:09,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:09,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:09,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-13 02:42:09,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91445086] [2021-03-13 02:42:09,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-13 02:42:09,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:09,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-13 02:42:09,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-03-13 02:42:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:09,533 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:09,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 13 states have internal predecessors, (65), 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) [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:10,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:10,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:10,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:10,216 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:10,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:10,216 INFO L82 PathProgramCache]: Analyzing trace with hash 385157488, now seen corresponding path program 7 times [2021-03-13 02:42:10,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:10,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103705192] [2021-03-13 02:42:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:11,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103705192] [2021-03-13 02:42:11,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188134580] [2021-03-13 02:42:11,125 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:11,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 63 conjunts are in the unsatisfiable core [2021-03-13 02:42:11,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:11,562 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-03-13 02:42:11,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 28 [2021-03-13 02:42:11,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:42:11,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:11,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:42:11,571 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:20 [2021-03-13 02:42:11,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-03-13 02:42:11,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:42:11,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:11,902 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:42:11,902 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:20 [2021-03-13 02:42:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:11,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:11,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 36 [2021-03-13 02:42:11,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913227497] [2021-03-13 02:42:11,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-03-13 02:42:11,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:11,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-03-13 02:42:11,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1264, Unknown=0, NotChecked=0, Total=1406 [2021-03-13 02:42:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:11,981 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:11,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 37 states have (on average 1.8918918918918919) internal successors, (70), 37 states have internal predecessors, (70), 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) [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:11,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:17,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-03-13 02:42:17,489 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:17,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1228228196, now seen corresponding path program 8 times [2021-03-13 02:42:17,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:17,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217217158] [2021-03-13 02:42:17,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-03-13 02:42:17,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217217158] [2021-03-13 02:42:17,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952273123] [2021-03-13 02:42:17,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:17,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:42:17,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:17,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-13 02:42:17,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-03-13 02:42:17,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-13 02:42:17,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-03-13 02:42:17,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324913341] [2021-03-13 02:42:17,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 02:42:17,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:17,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 02:42:17,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 02:42:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:17,670 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:17,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-03-13 02:42:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:17,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:17,996 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:17,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:17,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1305401186, now seen corresponding path program 9 times [2021-03-13 02:42:17,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:17,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666971403] [2021-03-13 02:42:17,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 44 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:42:18,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666971403] [2021-03-13 02:42:18,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626861533] [2021-03-13 02:42:18,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:18,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-03-13 02:42:18,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:18,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-13 02:42:18,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-03-13 02:42:18,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:18,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2021-03-13 02:42:18,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282462769] [2021-03-13 02:42:18,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-13 02:42:18,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:18,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-13 02:42:18,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-03-13 02:42:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:18,426 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:18,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.5) internal successors, (90), 19 states have internal predecessors, (90), 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) [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-13 02:42:19,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:19,414 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:19,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:19,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1899319938, now seen corresponding path program 10 times [2021-03-13 02:42:19,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:19,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397031387] [2021-03-13 02:42:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:21,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397031387] [2021-03-13 02:42:21,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343360511] [2021-03-13 02:42:21,449 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:21,495 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:42:21,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:21,497 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 123 conjunts are in the unsatisfiable core [2021-03-13 02:42:21,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:22,772 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-03-13 02:42:22,773 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 96 treesize of output 52 [2021-03-13 02:42:22,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:42:22,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:22,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:42:22,781 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:102, output treesize:29 [2021-03-13 02:42:24,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 76 [2021-03-13 02:42:24,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:42:24,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:24,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:42:24,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:7 [2021-03-13 02:42:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:24,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:24,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 35] total 72 [2021-03-13 02:42:24,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295846992] [2021-03-13 02:42:24,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-03-13 02:42:24,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:24,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-03-13 02:42:24,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=4959, Unknown=0, NotChecked=0, Total=5402 [2021-03-13 02:42:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:24,239 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:24,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 73 states have (on average 1.6164383561643836) internal successors, (118), 73 states have internal predecessors, (118), 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) [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-13 02:42:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:29,871 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-03-13 02:42:30,326 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-03-13 02:42:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-13 02:42:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-03-13 02:42:37,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-13 02:42:37,536 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:37,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:37,536 INFO L82 PathProgramCache]: Analyzing trace with hash -9493952, now seen corresponding path program 11 times [2021-03-13 02:42:37,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:37,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903861] [2021-03-13 02:42:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 205 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:42:37,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903861] [2021-03-13 02:42:37,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767401154] [2021-03-13 02:42:37,830 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:37,902 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-03-13 02:42:37,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:37,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-13 02:42:37,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 205 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:42:38,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:42:38,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2021-03-13 02:42:38,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901064602] [2021-03-13 02:42:38,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-03-13 02:42:38,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:42:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-03-13 02:42:38,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1215, Unknown=0, NotChecked=0, Total=1560 [2021-03-13 02:42:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:38,460 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:42:38,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 4.05) internal successors, (162), 39 states have internal predecessors, (162), 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) [2021-03-13 02:42:38,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-03-13 02:42:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-03-13 02:42:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:42:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-13 02:42:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-03-13 02:42:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-03-13 02:42:40,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:40,458 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:42:40,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:42:40,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1914718272, now seen corresponding path program 12 times [2021-03-13 02:42:40,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:42:40,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376140850] [2021-03-13 02:42:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:42:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:42:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 51 proven. 433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:42:45,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376140850] [2021-03-13 02:42:45,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448869310] [2021-03-13 02:42:45,958 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:42:46,047 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-03-13 02:42:46,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:42:46,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 227 conjunts are in the unsatisfiable core [2021-03-13 02:42:46,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:42:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:42:51,412 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-03-13 02:42:51,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:42:51,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 59 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 32 case distinctions, treesize of input 180 treesize of output 432 [2021-03-13 02:42:53,144 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 2057 DAG size of output: 1871 [2021-03-13 02:42:53,316 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 2406 DAG size of output: 2105 [2021-03-13 02:42:53,643 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 2770 DAG size of output: 2351 [2021-03-13 02:42:53,768 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 2964 DAG size of output: 2512 [2021-03-13 02:42:53,959 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 3181 DAG size of output: 2773 [2021-03-13 02:42:54,113 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 3349 DAG size of output: 2898 [2021-03-13 02:42:54,270 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 3349 DAG size of output: 2898 [2021-03-13 02:42:54,482 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 3349 DAG size of output: 2898 [2021-03-13 02:42:54,668 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 2611 DAG size of output: 2610 [2021-03-13 02:42:54,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-13 02:43:40,882 WARN L205 SmtUtils]: Spent 46.16 s on a formula simplification. DAG size of input: 2628 DAG size of output: 492 [2021-03-13 02:43:40,884 INFO L628 ElimStorePlain]: treesize reduction 48903, result has 8.7 percent of original size [2021-03-13 02:43:47,742 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 565 [2021-03-13 02:43:48,219 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 659 [2021-03-13 02:43:48,499 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1109 DAG size of output: 682 [2021-03-13 02:43:48,680 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 689 [2021-03-13 02:43:48,826 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1149 DAG size of output: 715 [2021-03-13 02:43:48,974 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1149 DAG size of output: 715 [2021-03-13 02:43:49,145 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 707 [2021-03-13 02:43:52,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 02:43:52,450 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:212, output treesize:12 [2021-03-13 02:43:58,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:43:58,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:43:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:43:58,591 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-03-13 02:43:58,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:43:58,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 102 treesize of output 300 [2021-03-13 02:43:58,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:43:58,838 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-13 02:43:58,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:54:00,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:54:00,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:382 Received shutdown request... [2021-03-13 02:55:32,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-13 02:55:32,359 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-13 02:55:32,368 WARN L224 ceAbstractionStarter]: Timeout [2021-03-13 02:55:32,368 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 02:55:32 BasicIcfg [2021-03-13 02:55:32,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 02:55:32,369 INFO L168 Benchmark]: Toolchain (without parser) took 808619.80 ms. Allocated memory was 354.4 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 334.7 MB in the beginning and 1.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-03-13 02:55:32,369 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 354.4 MB. Free memory was 336.0 MB in the beginning and 335.9 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 02:55:32,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 354.4 MB. Free memory was 334.2 MB in the beginning and 332.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 02:55:32,369 INFO L168 Benchmark]: Boogie Preprocessor took 30.44 ms. Allocated memory is still 354.4 MB. Free memory was 332.8 MB in the beginning and 331.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 02:55:32,369 INFO L168 Benchmark]: RCFGBuilder took 290.77 ms. Allocated memory is still 354.4 MB. Free memory was 331.6 MB in the beginning and 316.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-13 02:55:32,369 INFO L168 Benchmark]: TraceAbstraction took 808252.82 ms. Allocated memory was 354.4 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 316.0 MB in the beginning and 1.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 982.4 MB. Max. memory is 16.0 GB. [2021-03-13 02:55:32,370 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 0.15 ms. Allocated memory is still 354.4 MB. Free memory was 336.0 MB in the beginning and 335.9 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 354.4 MB. Free memory was 334.2 MB in the beginning and 332.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.44 ms. Allocated memory is still 354.4 MB. Free memory was 332.8 MB in the beginning and 331.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 290.77 ms. Allocated memory is still 354.4 MB. Free memory was 331.6 MB in the beginning and 316.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 808252.82 ms. Allocated memory was 354.4 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 316.0 MB in the beginning and 1.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 982.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.6ms, 44 PlacesBefore, 36 PlacesAfterwards, 35 TransitionsBefore, 27 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 569 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 404, positive: 378, positive conditional: 0, positive unconditional: 378, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 223, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 223, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 404, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 223, unknown conditional: 0, unknown unconditional: 223] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 72348, positive: 59506, positive conditional: 59506, positive unconditional: 0, negative: 12842, negative conditional: 12842, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 62662, positive: 59506, positive conditional: 59506, positive unconditional: 0, negative: 3156, negative conditional: 3156, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 62662, positive: 58719, positive conditional: 0, positive unconditional: 58719, negative: 3943, negative conditional: 0, negative unconditional: 3943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62662, positive: 58614, positive conditional: 0, positive unconditional: 58614, negative: 3938, negative conditional: 0, negative unconditional: 3938, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039, SemanticConditionEliminator.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35597, positive: 787, positive conditional: 787, positive unconditional: 0, negative: 34810, negative conditional: 17771, negative unconditional: 17039, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, positive: 41, positive conditional: 31, positive unconditional: 10, negative: 364, negative conditional: 359, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2211, positive: 209, positive conditional: 135, positive unconditional: 74, negative: 2002, negative conditional: 1972, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35597, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 34451, negative conditional: 17412, negative unconditional: 17039, unknown: 390, unknown conditional: 390, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 136, Positive conditional cache size: 31, Positive unconditional cache size: 105, Negative cache size: 364, Negative conditional cache size: 359, Negative unconditional cache size: 5, Eliminated conditions: 17039 ], Maximal queried relation: 12, Independence queries for same thread: 9686 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 11,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 808096.2ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 336.9ms, PartialOrderReductionTime: 23359.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 329, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 106.3ms SsaConstructionTime, 581.1ms SatisfiabilityAnalysisTime, 8965.2ms InterpolantComputationTime, 926 NumberOfCodeBlocks, 926 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 903 ConstructedInterpolants, 0 QuantifiedInterpolants, 12149 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1635 ConjunctsInSsa, 275 ConjunctsInUnsatCore, 23 InterpolantComputations, 4 PerfectInterpolantSequences, 793/1578 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown