/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.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-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 16:35:54,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 16:35:54,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 16:35:54,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 16:35:54,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 16:35:54,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 16:35:54,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 16:35:54,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 16:35:54,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 16:35:54,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 16:35:54,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 16:35:54,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 16:35:54,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 16:35:54,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 16:35:54,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 16:35:54,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 16:35:54,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 16:35:54,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 16:35:54,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 16:35:54,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 16:35:54,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 16:35:54,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 16:35:54,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 16:35:54,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 16:35:54,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 16:35:54,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 16:35:54,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 16:35:54,793 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 16:35:54,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 16:35:54,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 16:35:54,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 16:35:54,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 16:35:54,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 16:35:54,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 16:35:54,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 16:35:54,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 16:35:54,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 16:35:54,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 16:35:54,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:35:54,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 16:35:54,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 16:35:54,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 16:35:54,798 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 16:35:54,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 16:35:55,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 16:35:55,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 16:35:55,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 16:35:55,107 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 16:35:55,108 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 16:35:55,109 INFO L432 ainManager$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 [2021-06-07 16:35:55,109 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' [2021-06-07 16:35:55,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 16:35:55,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 16:35:55,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 16:35:55,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 16:35:55,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 16:35:55,162 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,168 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 16:35:55,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 16:35:55,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 16:35:55,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 16:35:55,184 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,184 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,185 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,185 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,187 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,190 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,190 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 07.06 04:35:55" (1/1) ... [2021-06-07 16:35:55,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 16:35:55,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 16:35:55,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 16:35:55,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 16:35:55,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:35:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:35:55,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 16:35:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 16:35:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 16:35:55,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 16:35:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 16:35:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 16:35:55,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 16:35:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 16:35:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 16:35:55,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 16:35:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 16:35:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 16:35:55,260 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 16:35:55,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 16:35:55,496 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 16:35:55,498 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:35:55 BoogieIcfgContainer [2021-06-07 16:35:55,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 16:35:55,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 16:35:55,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 16:35:55,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 16:35:55,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:35:55" (1/2) ... [2021-06-07 16:35:55,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d62ea and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:35:55, skipping insertion in model container [2021-06-07 16:35:55,503 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 07.06 04:35:55" (2/2) ... [2021-06-07 16:35:55,504 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-06-07 16:35:55,509 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 16:35:55,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 16:35:55,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 16:35:55,510 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 16:35:55,589 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 16:35:55,607 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 16:35:55,683 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 16:35:55,684 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 16:35:55,684 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 16:35:55,684 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 16:35:55,684 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 16:35:55,684 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 16:35:55,684 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 16:35:55,684 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 16:35:55,792 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:35:55,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:35:55,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1061400579, now seen corresponding path program 1 times [2021-06-07 16:35:55,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:35:55,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111359908] [2021-06-07 16:35:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:35:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:55,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:35:55,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111359908] [2021-06-07 16:35:55,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111359908] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:35:55,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:35:55,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 16:35:55,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590582661] [2021-06-07 16:35:55,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 16:35:55,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:35:55,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 16:35:55,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 16:35:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:55,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:35:55,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) 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) [2021-06-07 16:35:55,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:55,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 16:35:55,978 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:35:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:35:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1575970977, now seen corresponding path program 1 times [2021-06-07 16:35:55,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:35:55,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947998755] [2021-06-07 16:35:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:35:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:35:56,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:35:56,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947998755] [2021-06-07 16:35:56,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947998755] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:35:56,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:35:56,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 16:35:56,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964761839] [2021-06-07 16:35:56,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 16:35:56,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:35:56,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 16:35:56,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 16:35:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:56,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:35:56,024 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:35:56,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:56,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:56,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:56,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:56,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 16:35:56,068 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:35:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:35:56,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1308646271, now seen corresponding path program 1 times [2021-06-07 16:35:56,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:35:56,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365661389] [2021-06-07 16:35:56,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:35:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:56,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:35:56,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365661389] [2021-06-07 16:35:56,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365661389] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:56,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269211411] [2021-06-07 16:35:56,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:56,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 16:35:56,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:35:56,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:35:56,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-07 16:35:56,669 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 16:35:56,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:35:56,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:35:56,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-07 16:35:56,722 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 16:35:56,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:35:56,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-06-07 16:35:56,735 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:35:56,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:35:56,746 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 1 xjuncts. [2021-06-07 16:35:56,747 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:29, output treesize:3 [2021-06-07 16:35:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:56,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269211411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:56,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:35:56,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 16:35:56,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846030764] [2021-06-07 16:35:56,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 16:35:56,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:35:56,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 16:35:56,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-07 16:35:56,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:56,789 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:35:56,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 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) [2021-06-07 16:35:56,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:56,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:56,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:35:57,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:57,169 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:35:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:35:57,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1220711709, now seen corresponding path program 2 times [2021-06-07 16:35:57,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:35:57,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739691940] [2021-06-07 16:35:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:35:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:57,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:35:57,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739691940] [2021-06-07 16:35:57,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739691940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:57,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111306003] [2021-06-07 16:35:57,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:57,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:35:57,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:35:57,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:35:57,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:35:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:57,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111306003] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:57,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:35:57,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 16:35:57,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147256407] [2021-06-07 16:35:57,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 16:35:57,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:35:57,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 16:35:57,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-07 16:35:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:57,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:35:57,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:35:57,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:57,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:57,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:35:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:35:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:35:57,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:57,885 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:35:57,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:35:57,885 INFO L82 PathProgramCache]: Analyzing trace with hash 894112287, now seen corresponding path program 1 times [2021-06-07 16:35:57,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:35:57,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916068500] [2021-06-07 16:35:57,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:35:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:35:57,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:35:57,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916068500] [2021-06-07 16:35:57,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916068500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:57,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209097493] [2021-06-07 16:35:57,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:57,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:35:57,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:35:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:35:58,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209097493] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:58,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:35:58,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 16:35:58,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061894659] [2021-06-07 16:35:58,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 16:35:58,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:35:58,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 16:35:58,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-07 16:35:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:58,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:35:58,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:35:58,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:58,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:58,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:35:58,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:35:58,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:35:58,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:35:58,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:35:58,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:58,465 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:35:58,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:35:58,465 INFO L82 PathProgramCache]: Analyzing trace with hash -356579583, now seen corresponding path program 2 times [2021-06-07 16:35:58,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:35:58,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388160464] [2021-06-07 16:35:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:35:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:35:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:58,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:35:58,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388160464] [2021-06-07 16:35:58,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388160464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:58,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742343823] [2021-06-07 16:35:58,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:35:58,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:35:58,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:35:58,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 16:35:58,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:35:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:35:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:35:59,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:35:59,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-06-07 16:35:59,247 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-07 16:35:59,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:35:59,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:35:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:35:59,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:35:59,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-06-07 16:35:59,274 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-07 16:35:59,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:35:59,298 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:35:59,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 49 [2021-06-07 16:35:59,352 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:35:59,402 INFO L628 ElimStorePlain]: treesize reduction 68, result has 33.3 percent of original size [2021-06-07 16:35:59,411 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 1 xjuncts. [2021-06-07 16:35:59,411 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-06-07 16:35:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:35:59,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742343823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:35:59,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:35:59,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-07 16:35:59,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138942730] [2021-06-07 16:35:59,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 16:35:59,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:35:59,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 16:35:59,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-06-07 16:35:59,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:35:59,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:35:59,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 22 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:35:59,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:35:59,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:35:59,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:35:59,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:35:59,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:35:59,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:36:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:36:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:36:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:36:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:36:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:36:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:36:00,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-07 16:36:00,645 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:36:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:36:00,645 INFO L82 PathProgramCache]: Analyzing trace with hash 319376227, now seen corresponding path program 3 times [2021-06-07 16:36:00,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:36:00,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623023440] [2021-06-07 16:36:00,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:36:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:36:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:36:00,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:36:00,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623023440] [2021-06-07 16:36:00,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623023440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:36:00,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269556205] [2021-06-07 16:36:00,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:36:00,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 16:36:00,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:36:00,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:36:00,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:36:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:36:00,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269556205] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:36:00,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:36:00,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-07 16:36:00,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492071490] [2021-06-07 16:36:00,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 16:36:00,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:36:00,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 16:36:00,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-07 16:36:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:36:00,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:36:00,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:36:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:36:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:36:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:36:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:36:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:36:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:36:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:36:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:36:01,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:36:01,653 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:36:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:36:01,653 INFO L82 PathProgramCache]: Analyzing trace with hash 254980767, now seen corresponding path program 4 times [2021-06-07 16:36:01,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:36:01,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278344583] [2021-06-07 16:36:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:36:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:36:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:36:01,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:36:01,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278344583] [2021-06-07 16:36:01,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278344583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:36:01,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318303818] [2021-06-07 16:36:01,735 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:36:01,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:36:01,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:36:01,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:36:01,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:36:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:36:01,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318303818] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:36:01,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:36:01,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-07 16:36:01,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331319542] [2021-06-07 16:36:01,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 16:36:01,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:36:01,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 16:36:01,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-07 16:36:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:36:01,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:36:01,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 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) [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:36:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:36:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:36:02,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:36:02,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:36:02,306 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:36:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:36:02,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1076058751, now seen corresponding path program 5 times [2021-06-07 16:36:02,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:36:02,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110938946] [2021-06-07 16:36:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:36:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:36:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:36:02,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:36:02,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110938946] [2021-06-07 16:36:02,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110938946] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:36:02,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504878299] [2021-06-07 16:36:02,817 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:36:02,864 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 16:36:02,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:36:02,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 16:36:02,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:36:16,923 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 47 [2021-06-07 16:36:18,170 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 48 [2021-06-07 16:36:19,464 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 43 [2021-06-07 16:36:20,881 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 41 [2021-06-07 16:36:22,202 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 43 [2021-06-07 16:36:22,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:36:22,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 97 treesize of output 149 [2021-06-07 16:36:29,345 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-07 16:36:29,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:36:29,470 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:36:29,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 129 [2021-06-07 16:36:35,631 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-07 16:36:35,739 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-07 16:36:35,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:36:35,850 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:36:35,850 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 57 treesize of output 197 [2021-06-07 16:36:36,050 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2021-06-07 16:36:36,290 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2021-06-07 16:36:36,715 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 180 [2021-06-07 16:36:37,111 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 180 [2021-06-07 16:36:37,612 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 197 [2021-06-07 16:36:39,186 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 194 DAG size of output: 217 [2021-06-07 16:36:40,755 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 189 DAG size of output: 204 [2021-06-07 16:36:41,155 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-07 16:36:41,782 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 180 [2021-06-07 16:36:42,938 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 329 DAG size of output: 298 [2021-06-07 16:36:45,465 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 385 DAG size of output: 347 [2021-06-07 16:36:52,063 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 468 DAG size of output: 417 [2021-06-07 16:37:08,087 WARN L205 SmtUtils]: Spent 16.02 s on a formula simplification. DAG size of input: 530 DAG size of output: 475 [2021-06-07 16:37:25,057 WARN L205 SmtUtils]: Spent 16.97 s on a formula simplification. DAG size of input: 530 DAG size of output: 475 [2021-06-07 16:37:42,227 WARN L205 SmtUtils]: Spent 17.17 s on a formula simplification. DAG size of input: 542 DAG size of output: 487 [2021-06-07 16:38:42,004 WARN L205 SmtUtils]: Spent 59.77 s on a formula simplification. DAG size of input: 476 DAG size of output: 570 [2021-06-07 16:38:57,846 WARN L205 SmtUtils]: Spent 15.81 s on a formula simplification. DAG size of input: 468 DAG size of output: 470 [2021-06-07 16:38:58,983 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 172 DAG size of output: 189 [2021-06-07 16:39:00,099 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 167 DAG size of output: 188 [2021-06-07 16:39:01,196 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 162 DAG size of output: 183 [2021-06-07 16:39:23,104 WARN L205 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 11114 DAG size of output: 10875 Received shutdown request... [2021-06-07 16:50:24,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-07 16:50:24,650 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-07 16:50:24,654 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 16:50:24,656 WARN L196 ceAbstractionStarter]: Timeout [2021-06-07 16:50:24,656 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 04:50:24 BasicIcfg [2021-06-07 16:50:24,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 16:50:24,656 INFO L168 Benchmark]: Toolchain (without parser) took 869509.46 ms. Allocated memory was 350.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 329.8 MB in the beginning and 929.5 MB in the end (delta: -599.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-07 16:50:24,657 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 350.2 MB. Free memory was 330.9 MB in the beginning and 330.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 16:50:24,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.40 ms. Allocated memory is still 350.2 MB. Free memory was 329.7 MB in the beginning and 328.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 16:50:24,657 INFO L168 Benchmark]: Boogie Preprocessor took 13.67 ms. Allocated memory is still 350.2 MB. Free memory was 328.2 MB in the beginning and 327.2 MB in the end (delta: 999.7 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-07 16:50:24,657 INFO L168 Benchmark]: RCFGBuilder took 305.86 ms. Allocated memory is still 350.2 MB. Free memory was 327.2 MB in the beginning and 314.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-07 16:50:24,657 INFO L168 Benchmark]: TraceAbstraction took 869156.86 ms. Allocated memory was 350.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 313.5 MB in the beginning and 929.5 MB in the end (delta: -616.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-07 16:50:24,657 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 350.2 MB. Free memory was 330.9 MB in the beginning and 330.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.40 ms. Allocated memory is still 350.2 MB. Free memory was 329.7 MB in the beginning and 328.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.67 ms. Allocated memory is still 350.2 MB. Free memory was 328.2 MB in the beginning and 327.2 MB in the end (delta: 999.7 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 305.86 ms. Allocated memory is still 350.2 MB. Free memory was 327.2 MB in the beginning and 314.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 869156.86 ms. Allocated memory was 350.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 313.5 MB in the beginning and 929.5 MB in the end (delta: -616.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2798, positive: 2376, positive conditional: 2376, positive unconditional: 0, negative: 422, negative conditional: 422, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2376, positive: 2376, positive conditional: 2376, 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: 2376, positive: 2376, positive conditional: 0, positive unconditional: 2376, 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: 56, positive: 56, positive conditional: 0, positive unconditional: 56, 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: 56, positive: 55, positive conditional: 0, positive unconditional: 55, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2376, positive: 2320, positive conditional: 0, positive unconditional: 2320, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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): 56, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 422 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 869000.6ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 2350.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 98, 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: 40.7ms SsaConstructionTime, 177.7ms SatisfiabilityAnalysisTime, 2459.4ms InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 4366 SizeOfPredicates, 25 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 59/169 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