/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 22:37:48,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 22:37:48,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 22:37:48,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 22:37:48,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 22:37:48,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 22:37:48,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 22:37:48,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 22:37:48,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 22:37:48,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 22:37:48,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 22:37:48,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 22:37:48,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 22:37:48,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 22:37:48,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 22:37:48,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 22:37:48,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 22:37:48,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 22:37:48,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 22:37:48,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 22:37:48,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 22:37:48,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 22:37:48,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 22:37:48,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 22:37:48,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-03 22:37:48,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-03 22:37:48,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-03 22:37:48,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-03 22:37:48,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-03 22:37:48,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-03 22:37:48,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-03 22:37:48,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-03 22:37:48,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-03 22:37:48,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-03 22:37:48,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-03 22:37:48,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-03 22:37:48,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-03 22:37:48,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-03 22:37:48,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 22:37:48,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 22:37:48,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 22:37:48,720 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-DelaySleepPersistent-NoLbe.epf [2021-05-03 22:37:48,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 22:37:48,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 22:37:48,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 22:37:48,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 22:37:48,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 22:37:48,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 22:37:48,766 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 22:37:48,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 22:37:48,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 22:37:48,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 22:37:48,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 22:37:48,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 22:37:48,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 22:37:48,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 22:37:48,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 22:37:48,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 22:37:48,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 22:37:48,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 22:37:48,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 22:37:48,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 22:37:48,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 22:37:48,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 22:37:48,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 22:37:48,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 22:37:48,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 22:37:48,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 22:37:48,771 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-05-03 22:37:48,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 22:37:49,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 22:37:49,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 22:37:49,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 22:37:49,127 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 22:37:49,128 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 22:37:49,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl [2021-05-03 22:37:49,129 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl' [2021-05-03 22:37:49,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 22:37:49,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 22:37:49,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 22:37:49,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 22:37:49,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 22:37:49,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 22:37:49,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 22:37:49,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 22:37:49,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 22:37:49,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/1) ... [2021-05-03 22:37:49,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 22:37:49,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 22:37:49,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 22:37:49,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 22:37:49,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (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 [2021-05-03 22:37:49,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 22:37:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 22:37:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 22:37:49,336 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 22:37:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 22:37:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 22:37:49,336 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 22:37:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 22:37:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 22:37:49,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 22:37:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 22:37:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 22:37:49,338 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 22:37:49,573 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 22:37:49,574 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 22:37:49,590 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:37:49 BoogieIcfgContainer [2021-05-03 22:37:49,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 22:37:49,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 22:37:49,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 22:37:49,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 22:37:49,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:37:49" (1/2) ... [2021-05-03 22:37:49,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d94295b and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 10:37:49, skipping insertion in model container [2021-05-03 22:37:49,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:37:49" (2/2) ... [2021-05-03 22:37:49,598 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2021-05-03 22:37:49,603 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 22:37:49,604 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 22:37:49,608 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 22:37:49,609 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 22:37:49,652 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 22:37:49,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-05-03 22:37:49,831 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 22:37:49,831 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 22:37:49,831 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 22:37:49,833 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 22:37:49,833 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 22:37:49,833 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 22:37:49,834 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 22:37:49,834 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 22:37:50,165 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:37:50,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:37:50,175 INFO L82 PathProgramCache]: Analyzing trace with hash 160073587, now seen corresponding path program 1 times [2021-05-03 22:37:50,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:37:50,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449226129] [2021-05-03 22:37:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:37:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:37:50,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449226129] [2021-05-03 22:37:50,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 22:37:50,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 22:37:50,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139754180] [2021-05-03 22:37:50,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 22:37:50,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:37:50,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 22:37:50,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-03 22:37:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:50,419 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:37:50,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 22:37:50,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:50,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:50,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 22:37:50,501 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:37:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:37:50,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2026471982, now seen corresponding path program 1 times [2021-05-03 22:37:50,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:37:50,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448168469] [2021-05-03 22:37:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:37:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:37:50,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448168469] [2021-05-03 22:37:50,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213090794] [2021-05-03 22:37:50,943 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 [2021-05-03 22:37:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:51,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 22:37:51,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:37:51,433 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 22:37:51,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 66 [2021-05-03 22:37:51,443 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-03 22:37:51,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:37:51,462 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 22:37:51,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-05-03 22:37:51,470 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-03 22:37:51,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:37:51,481 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 17 treesize of output 9 [2021-05-03 22:37:51,484 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 22:37:51,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:37:51,493 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. [2021-05-03 22:37:51,494 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-05-03 22:37:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:37:51,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:37:51,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-05-03 22:37:51,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588224665] [2021-05-03 22:37:51,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-03 22:37:51,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:37:51,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-03 22:37:51,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-05-03 22:37:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:51,558 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:37:51,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 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) [2021-05-03 22:37:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:51,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:52,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:37:52,141 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:37:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:37:52,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1254443411, now seen corresponding path program 2 times [2021-05-03 22:37:52,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:37:52,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434572004] [2021-05-03 22:37:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:37:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:37:52,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434572004] [2021-05-03 22:37:52,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063278794] [2021-05-03 22:37:52,237 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 [2021-05-03 22:37:52,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 22:37:52,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:37:52,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 22:37:52,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:37:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:37:52,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:37:52,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 22:37:52,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420656320] [2021-05-03 22:37:52,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 22:37:52,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:37:52,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 22:37:52,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-03 22:37:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:52,461 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:37:52,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-05-03 22:37:52,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:52,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:52,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:52,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:37:52,818 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:37:52,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:37:52,818 INFO L82 PathProgramCache]: Analyzing trace with hash -141684653, now seen corresponding path program 1 times [2021-05-03 22:37:52,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:37:52,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885148667] [2021-05-03 22:37:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:37:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:52,892 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:37:52,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885148667] [2021-05-03 22:37:52,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924593931] [2021-05-03 22:37:52,893 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 [2021-05-03 22:37:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:52,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 22:37:52,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:37:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:37:53,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:37:53,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 22:37:53,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570523012] [2021-05-03 22:37:53,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 22:37:53,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:37:53,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 22:37:53,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-03 22:37:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:53,038 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:37:53,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2021-05-03 22:37:53,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:53,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:53,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:53,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:37:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:37:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:37:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:37:53,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:37:53,369 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:37:53,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:37:53,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1478767986, now seen corresponding path program 2 times [2021-05-03 22:37:53,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:37:53,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705061966] [2021-05-03 22:37:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:37:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:37:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:37:54,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705061966] [2021-05-03 22:37:54,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014226440] [2021-05-03 22:37:54,075 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 [2021-05-03 22:37:54,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 22:37:54,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:37:54,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-05-03 22:37:54,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:38:00,022 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-05-03 22:38:00,488 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-05-03 22:38:00,950 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-05-03 22:38:01,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:38:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:38:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:38:01,063 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 [2021-05-03 22:38:01,075 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-05-03 22:38:01,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:38:01,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:38:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:38:01,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:38:01,094 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 [2021-05-03 22:38:01,102 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-05-03 22:38:01,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:38:01,138 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:38:01,139 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 [2021-05-03 22:38:01,178 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 22:38:01,232 INFO L628 ElimStorePlain]: treesize reduction 56, result has 38.5 percent of original size [2021-05-03 22:38:01,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-03 22:38:01,238 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:70, output treesize:3 [2021-05-03 22:38:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:38:01,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:38:01,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-05-03 22:38:01,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699909410] [2021-05-03 22:38:01,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-03 22:38:01,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:38:01,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-03 22:38:01,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=737, Unknown=4, NotChecked=0, Total=870 [2021-05-03 22:38:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:01,275 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:38:01,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 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) [2021-05-03 22:38:01,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:01,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:01,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:01,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:01,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:36,699 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 22:38:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:38:45,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:38:45,079 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:38:45,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:38:45,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1293329011, now seen corresponding path program 3 times [2021-05-03 22:38:45,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:38:45,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283529376] [2021-05-03 22:38:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:38:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:38:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:38:45,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283529376] [2021-05-03 22:38:45,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187807601] [2021-05-03 22:38:45,209 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 [2021-05-03 22:38:45,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 22:38:45,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:38:45,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 22:38:45,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:38:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:38:45,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:38:45,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-03 22:38:45,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485713021] [2021-05-03 22:38:45,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 22:38:45,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:38:45,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 22:38:45,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-03 22:38:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:45,521 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:38:45,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 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) [2021-05-03 22:38:45,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:45,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:45,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:45,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:45,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:38:45,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:38:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:38:45,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:38:45,997 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:38:45,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:38:45,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1494138573, now seen corresponding path program 4 times [2021-05-03 22:38:45,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:38:45,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595255564] [2021-05-03 22:38:45,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:38:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:38:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:38:46,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595255564] [2021-05-03 22:38:46,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949469357] [2021-05-03 22:38:46,119 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 [2021-05-03 22:38:46,162 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 22:38:46,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:38:46,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 22:38:46,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:38:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:38:46,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:38:46,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 22:38:46,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440158240] [2021-05-03 22:38:46,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 22:38:46,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:38:46,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 22:38:46,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-03 22:38:46,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:46,341 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:38:46,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 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) [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:38:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:46,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:38:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:38:46,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:38:46,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-05-03 22:38:46,705 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:38:46,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:38:46,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1990884078, now seen corresponding path program 5 times [2021-05-03 22:38:46,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:38:46,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171120898] [2021-05-03 22:38:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:38:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:38:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:38:47,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171120898] [2021-05-03 22:38:47,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681518955] [2021-05-03 22:38:47,875 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 [2021-05-03 22:38:47,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 22:38:47,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:38:47,940 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-03 22:38:47,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:38:49,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:38:49,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:38:49,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-05-03 22:38:49,305 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-05-03 22:38:49,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:38:49,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:38:49,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:38:49,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-05-03 22:38:49,330 INFO L550 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-05-03 22:38:49,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:38:49,402 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:38:49,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 137 [2021-05-03 22:38:49,852 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 210 [2021-05-03 22:38:50,031 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-05-03 22:38:50,238 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-05-03 22:38:50,823 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-05-03 22:38:51,897 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-05-03 22:38:52,061 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-05-03 22:38:52,224 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-05-03 22:38:52,357 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-05-03 22:38:52,523 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 261 [2021-05-03 22:38:52,897 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-05-03 22:38:53,708 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-05-03 22:38:53,823 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-05-03 22:38:54,037 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-05-03 22:38:54,042 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-05-03 22:38:56,699 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2021-05-03 22:38:56,699 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-05-03 22:38:58,496 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. [2021-05-03 22:38:58,497 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:103, output treesize:3 [2021-05-03 22:38:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:38:58,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:38:58,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-05-03 22:38:58,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373805611] [2021-05-03 22:38:58,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-03 22:38:58,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:38:58,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-03 22:38:58,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1919, Unknown=0, NotChecked=0, Total=2070 [2021-05-03 22:38:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:58,535 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:38:58,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.934782608695652) internal successors, (89), 46 states have internal predecessors, (89), 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) [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:38:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:38:59,260 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2021-05-03 22:39:00,718 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2021-05-03 22:39:01,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:39:01,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:39:01,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:39:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:39:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 22:39:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:39:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:39:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 22:39:01,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-05-03 22:39:01,936 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:39:01,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:39:01,937 INFO L82 PathProgramCache]: Analyzing trace with hash -424320458, now seen corresponding path program 6 times [2021-05-03 22:39:01,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:39:01,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373257171] [2021-05-03 22:39:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:39:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:39:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:39:03,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373257171] [2021-05-03 22:39:03,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448465070] [2021-05-03 22:39:03,649 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:39:03,696 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-03 22:39:03,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:39:03,698 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2021-05-03 22:39:03,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:39:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:39:06,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:39:06,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:39:06,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:39:06,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 93 [2021-05-03 22:39:06,459 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-05-03 22:39:06,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:39:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:39:06,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:39:06,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:39:06,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:39:06,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 67 [2021-05-03 22:39:06,499 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-05-03 22:39:06,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:39:06,644 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-05-03 22:39:06,644 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:39:06,645 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 67 treesize of output 199 [2021-05-03 22:39:07,006 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 214 [2021-05-03 22:39:07,228 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 201 [2021-05-03 22:39:07,367 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 204 [2021-05-03 22:39:07,786 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 359 [2021-05-03 22:39:08,470 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 423 [2021-05-03 22:39:09,789 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 525 DAG size of output: 487 [2021-05-03 22:39:11,055 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 525 DAG size of output: 487 [2021-05-03 22:39:12,315 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 537 DAG size of output: 499 [2021-05-03 22:39:15,801 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 482 DAG size of output: 586 [2021-05-03 22:39:16,959 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 474 DAG size of output: 477 [2021-05-03 22:39:17,653 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 304 [2021-05-03 22:39:18,070 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 349 [2021-05-03 22:39:19,733 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 414 DAG size of output: 470 [2021-05-03 22:39:20,185 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 184 Received shutdown request... [2021-05-03 22:52:16,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable518,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:52:16,559 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 22:52:16,566 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 22:52:16,567 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 10:52:16 BasicIcfg [2021-05-03 22:52:16,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 22:52:16,567 INFO L168 Benchmark]: Toolchain (without parser) took 867385.58 ms. Allocated memory was 354.4 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 333.8 MB in the beginning and 1.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-05-03 22:52:16,568 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 354.4 MB. Free memory was 334.9 MB in the beginning and 334.8 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 22:52:16,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.75 ms. Allocated memory is still 354.4 MB. Free memory was 333.7 MB in the beginning and 332.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 22:52:16,568 INFO L168 Benchmark]: Boogie Preprocessor took 21.74 ms. Allocated memory is still 354.4 MB. Free memory was 332.2 MB in the beginning and 331.3 MB in the end (delta: 937.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 22:52:16,568 INFO L168 Benchmark]: RCFGBuilder took 348.99 ms. Allocated memory is still 354.4 MB. Free memory was 331.2 MB in the beginning and 319.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-05-03 22:52:16,568 INFO L168 Benchmark]: TraceAbstraction took 866974.60 ms. Allocated memory was 354.4 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 319.1 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 985.8 MB. Max. memory is 16.0 GB. [2021-05-03 22:52:16,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 354.4 MB. Free memory was 334.9 MB in the beginning and 334.8 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.75 ms. Allocated memory is still 354.4 MB. Free memory was 333.7 MB in the beginning and 332.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.74 ms. Allocated memory is still 354.4 MB. Free memory was 332.2 MB in the beginning and 331.3 MB in the end (delta: 937.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 348.99 ms. Allocated memory is still 354.4 MB. Free memory was 331.2 MB in the beginning and 319.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 866974.60 ms. Allocated memory was 354.4 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 319.1 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 985.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 383, positive: 301, positive conditional: 301, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 301, positive: 301, positive conditional: 301, 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: 667, positive: 657, positive conditional: 0, positive unconditional: 657, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 276, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 276, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 667, positive: 391, positive conditional: 0, positive unconditional: 391, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 276, unknown conditional: 0, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, 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): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 82 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 270, Number of persistent set computation: 291, Number of trivial persistent sets: 280, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 667, positive: 657, positive conditional: 0, positive unconditional: 657, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 276, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 276, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 667, positive: 391, positive conditional: 0, positive unconditional: 391, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 276, unknown conditional: 0, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 276, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 61). Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 866853.4ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.9ms, PartialOrderReductionTime: 48258.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 104, 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: 76.8ms SsaConstructionTime, 299.3ms SatisfiabilityAnalysisTime, 21629.3ms InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 510 ConstructedInterpolants, 16 QuantifiedInterpolants, 11112 SizeOfPredicates, 38 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 86/337 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