/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/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 02:47:15,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 02:47:15,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 02:47:15,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 02:47:15,493 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 02:47:15,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 02:47:15,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 02:47:15,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 02:47:15,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 02:47:15,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 02:47:15,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 02:47:15,540 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 02:47:15,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 02:47:15,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 02:47:15,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 02:47:15,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 02:47:15,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 02:47:15,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 02:47:15,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 02:47:15,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 02:47:15,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 02:47:15,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 02:47:15,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 02:47:15,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 02:47:15,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 02:47:15,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 02:47:15,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 02:47:15,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 02:47:15,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 02:47:15,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 02:47:15,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 02:47:15,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 02:47:15,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 02:47:15,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 02:47:15,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 02:47:15,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 02:47:15,544 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 02:47:15,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 02:47:15,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 02:47:15,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 02:47:15,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 02:47:15,937 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 02:47:15,948 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 02:47:15,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2021-03-13 02:47:15,949 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2021-03-13 02:47:16,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 02:47:16,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 02:47:16,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 02:47:16,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 02:47:16,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 02:47:16,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 02:47:16,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 02:47:16,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 02:47:16,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 02:47:16,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/1) ... [2021-03-13 02:47:16,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 02:47:16,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 02:47:16,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 02:47:16,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 02:47:16,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (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 02:47:16,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 02:47:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 02:47:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 02:47:16,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 02:47:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 02:47:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 02:47:16,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 02:47:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 02:47:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 02:47:16,163 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 02:47:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 02:47:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 02:47:16,164 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 02:47:16,467 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 02:47:16,467 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 02:47:16,469 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:47:16 BoogieIcfgContainer [2021-03-13 02:47:16,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 02:47:16,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 02:47:16,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 02:47:16,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 02:47:16,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:47:16" (1/2) ... [2021-03-13 02:47:16,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f8559f and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 02:47:16, skipping insertion in model container [2021-03-13 02:47:16,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:47:16" (2/2) ... [2021-03-13 02:47:16,475 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-03-13 02:47:16,480 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 02:47:16,480 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 02:47:16,484 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 02:47:16,485 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 02:47:16,516 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-13 02:47:16,533 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 02:47:16,618 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 02:47:16,618 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 02:47:16,619 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 02:47:16,619 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 02:47:16,619 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 02:47:16,619 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 02:47:16,619 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 02:47:16,619 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 02:47:16,633 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 02:47:16,633 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 82 flow [2021-03-13 02:47:16,642 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 82 flow [2021-03-13 02:47:16,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-03-13 02:47:16,680 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-13 02:47:16,680 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-13 02:47:16,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 30 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-03-13 02:47:16,688 INFO L116 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-13 02:47:17,095 INFO L131 LiptonReduction]: Checked pairs total: 134 [2021-03-13 02:47:17,096 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-13 02:47:17,196 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:17,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1281341739, now seen corresponding path program 1 times [2021-03-13 02:47:17,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:17,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296913445] [2021-03-13 02:47:17,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:17,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296913445] [2021-03-13 02:47:17,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:47:17,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 02:47:17,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474535403] [2021-03-13 02:47:17,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:47:17,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:17,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:47:17,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:47:17,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:17,394 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:17,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 02:47:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 02:47:17,424 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:17,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:17,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1068078891, now seen corresponding path program 1 times [2021-03-13 02:47:17,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:17,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553002879] [2021-03-13 02:47:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:47:17,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553002879] [2021-03-13 02:47:17,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:47:17,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 02:47:17,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881918522] [2021-03-13 02:47:17,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:47:17,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:17,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:47:17,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:47:17,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:17,492 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:17,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 02:47:17,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:17,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 02:47:17,518 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash 436490025, now seen corresponding path program 1 times [2021-03-13 02:47:17,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:17,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246427446] [2021-03-13 02:47:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:47:17,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246427446] [2021-03-13 02:47:17,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:47:17,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 02:47:17,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39762759] [2021-03-13 02:47:17,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:47:17,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:17,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:47:17,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:47:17,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:17,553 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:17,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 02:47:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:17,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 02:47:17,580 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:17,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:17,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1817907173, now seen corresponding path program 1 times [2021-03-13 02:47:17,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:17,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190019895] [2021-03-13 02:47:17,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:17,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190019895] [2021-03-13 02:47:17,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358999375] [2021-03-13 02:47:17,781 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 02:47:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:17,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-13 02:47:17,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:47:18,172 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:18,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 73 [2021-03-13 02:47:18,275 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:47:18,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:18,298 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:18,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2021-03-13 02:47:18,409 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:47:18,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:18,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:18,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 50 [2021-03-13 02:47:18,479 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2021-03-13 02:47:18,552 INFO L628 ElimStorePlain]: treesize reduction 18, result has 78.3 percent of original size [2021-03-13 02:47:18,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:47:18,572 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:80, output treesize:21 [2021-03-13 02:47:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:18,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:47:18,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-13 02:47:18,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832666464] [2021-03-13 02:47:18,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 02:47:18,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:18,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 02:47:18,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-13 02:47:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:18,636 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:18,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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 02:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:19,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:47:19,030 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:19,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:19,030 INFO L82 PathProgramCache]: Analyzing trace with hash 521738161, now seen corresponding path program 1 times [2021-03-13 02:47:19,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:19,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829584880] [2021-03-13 02:47:19,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:47:19,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829584880] [2021-03-13 02:47:19,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011803947] [2021-03-13 02:47:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:47:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:19,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-13 02:47:19,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:47:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:47:19,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:47:19,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-13 02:47:19,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34800925] [2021-03-13 02:47:19,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 02:47:19,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:19,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 02:47:19,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-13 02:47:19,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:19,196 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:19,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 02:47:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:47:19,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-13 02:47:19,476 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:19,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2089150565, now seen corresponding path program 2 times [2021-03-13 02:47:19,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:19,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105551142] [2021-03-13 02:47:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:19,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105551142] [2021-03-13 02:47:19,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452383565] [2021-03-13 02:47:19,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:47:19,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:47:19,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:47:19,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-13 02:47:19,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:47:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:19,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:47:19,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-13 02:47:19,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083521454] [2021-03-13 02:47:19,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-13 02:47:19,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:19,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-13 02:47:19,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-03-13 02:47:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:19,727 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:19,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:47:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:47:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:47:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:47:20,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:47:20,086 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:20,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1446132233, now seen corresponding path program 3 times [2021-03-13 02:47:20,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:20,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488617114] [2021-03-13 02:47:20,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:20,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488617114] [2021-03-13 02:47:20,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989516741] [2021-03-13 02:47:20,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:47:20,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-13 02:47:20,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:47:20,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-13 02:47:20,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:47:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:20,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:47:20,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-13 02:47:20,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393311416] [2021-03-13 02:47:20,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-13 02:47:20,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:47:20,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-13 02:47:20,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-03-13 02:47:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:20,336 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:47:20,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 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 02:47:20,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:20,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:20,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:20,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:47:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:47:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:47:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:47:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:47:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:47:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:47:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:47:20,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-13 02:47:20,741 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:47:20,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:47:20,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1307566875, now seen corresponding path program 4 times [2021-03-13 02:47:20,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:47:20,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170572587] [2021-03-13 02:47:20,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:47:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:47:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:47:20,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170572587] [2021-03-13 02:47:20,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127674904] [2021-03-13 02:47:20,990 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:47:21,031 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:47:21,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:47:21,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-13 02:47:21,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:47:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:21,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:21,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:21,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 65 treesize of output 121 [2021-03-13 02:47:25,817 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-03-13 02:47:25,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:47:25,928 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:25,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 51 treesize of output 107 [2021-03-13 02:47:29,696 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-03-13 02:47:29,810 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-03-13 02:47:29,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:29,931 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:47:29,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 193 [2021-03-13 02:47:30,443 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 203 [2021-03-13 02:47:30,902 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 231 [2021-03-13 02:47:31,161 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 266 [2021-03-13 02:47:31,645 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 305 [2021-03-13 02:47:32,358 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 359 [2021-03-13 02:47:32,712 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 205 [2021-03-13 02:47:34,469 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 521 DAG size of output: 458 [2021-03-13 02:47:38,213 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 581 DAG size of output: 513 [2021-03-13 02:47:41,990 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 581 DAG size of output: 513 [2021-03-13 02:47:53,790 WARN L205 SmtUtils]: Spent 11.79 s on a formula simplification. DAG size of input: 592 DAG size of output: 619 [2021-03-13 02:48:31,659 WARN L205 SmtUtils]: Spent 31.62 s on a formula simplification. DAG size of input: 15524 DAG size of output: 15135 [2021-03-13 02:48:51,015 WARN L205 SmtUtils]: Spent 18.75 s on a formula simplification. DAG size of input: 11654 DAG size of output: 11350 Received shutdown request... [2021-03-13 03:01:54,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:01:54,455 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-13 03:01:54,459 WARN L224 ceAbstractionStarter]: Timeout [2021-03-13 03:01:54,459 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 03:01:54 BasicIcfg [2021-03-13 03:01:54,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 03:01:54,460 INFO L168 Benchmark]: Toolchain (without parser) took 878454.57 ms. Allocated memory was 255.9 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 236.9 MB in the beginning and 993.4 MB in the end (delta: -756.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-03-13 03:01:54,460 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:01:54,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.79 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 235.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:01:54,460 INFO L168 Benchmark]: Boogie Preprocessor took 27.28 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:01:54,461 INFO L168 Benchmark]: RCFGBuilder took 394.00 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 237.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-03-13 03:01:54,461 INFO L168 Benchmark]: TraceAbstraction took 877989.37 ms. Allocated memory was 255.9 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 236.3 MB in the beginning and 993.4 MB in the end (delta: -757.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-03-13 03:01:54,461 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 0.23 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.79 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 235.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.28 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 394.00 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 237.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 877989.37 ms. Allocated memory was 255.9 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 236.3 MB in the beginning and 993.4 MB in the end (delta: -757.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 454.1ms, 36 PlacesBefore, 25 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 134 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 134, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 134, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 86, unknown conditional: 0, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 575, positive: 434, positive conditional: 434, positive unconditional: 0, negative: 141, negative conditional: 141, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 434, positive: 434, positive conditional: 434, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 434, positive: 434, positive conditional: 0, positive unconditional: 434, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 434, positive: 410, positive conditional: 0, positive unconditional: 410, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 141 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 67). Cancelled while PartialOrderCegarLoop was analyzing trace of length 18 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 877905.9ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 496.8ms, PartialOrderReductionTime: 723.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, 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: 32.3ms SsaConstructionTime, 157.4ms SatisfiabilityAnalysisTime, 1586.7ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 140 ConstructedInterpolants, 2 QuantifiedInterpolants, 958 SizeOfPredicates, 14 NumberOfNonLiveVariables, 238 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 14/44 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