/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-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 22:55:38,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 22:55:38,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 22:55:38,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 22:55:38,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 22:55:38,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 22:55:38,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 22:55:38,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 22:55:38,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 22:55:38,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 22:55:38,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 22:55:38,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 22:55:38,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 22:55:38,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 22:55:38,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 22:55:38,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 22:55:38,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 22:55:38,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 22:55:38,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 22:55:38,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 22:55:38,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 22:55:39,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 22:55:39,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 22:55:39,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 22:55:39,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-03 22:55:39,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-03 22:55:39,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-03 22:55:39,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-03 22:55:39,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-03 22:55:39,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-03 22:55:39,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-03 22:55:39,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-03 22:55:39,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-03 22:55:39,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-03 22:55:39,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-03 22:55:39,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-03 22:55:39,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-03 22:55:39,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-03 22:55:39,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 22:55:39,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 22:55:39,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 22:55:39,030 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 22:55:39,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 22:55:39,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 22:55:39,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 22:55:39,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 22:55:39,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 22:55:39,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 22:55:39,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 22:55:39,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 22:55:39,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 22:55:39,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 22:55:39,055 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-05-03 22:55:39,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 22:55:39,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 22:55:39,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 22:55:39,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 22:55:39,337 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 22:55:39,340 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 22:55:39,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2021-05-03 22:55:39,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2021-05-03 22:55:39,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 22:55:39,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 22:55:39,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 22:55:39,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 22:55:39,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 22:55:39,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 22:55:39,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 22:55:39,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 22:55:39,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 22:55:39,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/1) ... [2021-05-03 22:55:39,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 22:55:39,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 22:55:39,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 22:55:39,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 22:55:39,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (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 22:55:39,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 22:55:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 22:55:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 22:55:39,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 22:55:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 22:55:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 22:55:39,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 22:55:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 22:55:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 22:55:39,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 22:55:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 22:55:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 22:55:39,468 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 22:55:39,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 22:55:39,604 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 22:55:39,605 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:55:39 BoogieIcfgContainer [2021-05-03 22:55:39,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 22:55:39,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 22:55:39,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 22:55:39,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 22:55:39,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:55:39" (1/2) ... [2021-05-03 22:55:39,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73011bc6 and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 10:55:39, skipping insertion in model container [2021-05-03 22:55:39,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:55:39" (2/2) ... [2021-05-03 22:55:39,611 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2021-05-03 22:55:39,615 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 22:55:39,615 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 22:55:39,618 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 22:55:39,619 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 22:55:39,644 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 22:55:39,656 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 22:55:39,742 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 22:55:39,743 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 22:55:39,743 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 22:55:39,743 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 22:55:39,743 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 22:55:39,743 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 22:55:39,743 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 22:55:39,748 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 22:55:39,933 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:55:39,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:55:39,937 INFO L82 PathProgramCache]: Analyzing trace with hash 310438797, now seen corresponding path program 1 times [2021-05-03 22:55:39,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:55:39,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839376086] [2021-05-03 22:55:39,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:55:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:40,080 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 22:55:40,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839376086] [2021-05-03 22:55:40,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 22:55:40,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 22:55:40,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525971884] [2021-05-03 22:55:40,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 22:55:40,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:55:40,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 22:55:40,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-03 22:55:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:40,099 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:55:40,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 22:55:40,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:40,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 22:55:40,150 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:55:40,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:55:40,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1993014933, now seen corresponding path program 1 times [2021-05-03 22:55:40,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:55:40,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694912071] [2021-05-03 22:55:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:55:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:40,407 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 22:55:40,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694912071] [2021-05-03 22:55:40,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236855013] [2021-05-03 22:55:40,409 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 22:55:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:40,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 22:55:40,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:55:40,665 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 22:55:40,666 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 22:55:40,695 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 22:55:40,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:55:40,719 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 22:55:40,720 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 22:55:40,725 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 22:55:40,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:55:40,733 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 22:55:40,735 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 22:55:40,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:55:40,745 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 22:55:40,745 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-05-03 22:55:40,775 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 22:55:40,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:55:40,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 22:55:40,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716385516] [2021-05-03 22:55:40,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-03 22:55:40,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:55:40,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-03 22:55:40,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-05-03 22:55:40,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:40,778 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:55:40,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 22:55:40,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:40,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:55:41,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:55:41,176 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:55:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:55:41,177 INFO L82 PathProgramCache]: Analyzing trace with hash 591075273, now seen corresponding path program 2 times [2021-05-03 22:55:41,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:55:41,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764916504] [2021-05-03 22:55:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:55:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:55:41,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764916504] [2021-05-03 22:55:41,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740671136] [2021-05-03 22:55:41,223 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 22:55:41,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 22:55:41,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:55:41,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 22:55:41,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:55:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:55:41,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:55:41,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 22:55:41,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362391441] [2021-05-03 22:55:41,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 22:55:41,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:55:41,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 22:55:41,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-03 22:55:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:41,345 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:55:41,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 22:55:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:55:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:55:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:55:41,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:55:41,637 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:55:41,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:55:41,638 INFO L82 PathProgramCache]: Analyzing trace with hash 103574029, now seen corresponding path program 1 times [2021-05-03 22:55:41,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:55:41,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134231025] [2021-05-03 22:55:41,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:55:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:55:41,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134231025] [2021-05-03 22:55:41,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439088876] [2021-05-03 22:55:41,745 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 22:55:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:41,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 22:55:41,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:55:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:55:41,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:55:41,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 22:55:41,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689400810] [2021-05-03 22:55:41,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 22:55:41,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:55:41,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 22:55:41,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-03 22:55:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:41,898 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:55:41,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 22:55:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:55:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:55:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:55:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:55:41,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:55:42,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:55:42,181 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:55:42,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:55:42,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1185693205, now seen corresponding path program 2 times [2021-05-03 22:55:42,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:55:42,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169806013] [2021-05-03 22:55:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:55:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:55:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:55:42,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169806013] [2021-05-03 22:55:42,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446705399] [2021-05-03 22:55:42,486 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 22:55:42,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 22:55:42,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:55:42,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-05-03 22:55:42,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:55:43,657 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 22:55:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:55:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:55:43,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:55:43,806 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 22:55:43,809 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 22:55:43,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:55:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:55:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 22:55:43,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 22:55:43,821 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 22:55:43,824 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 22:55:43,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:55:43,844 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:55:43,844 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 22:55:43,869 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 22:55:43,898 INFO L628 ElimStorePlain]: treesize reduction 56, result has 38.5 percent of original size [2021-05-03 22:55:43,901 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 22:55:43,902 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:70, output treesize:3 [2021-05-03 22:55:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:55:43,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:55:43,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-05-03 22:55:43,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98242337] [2021-05-03 22:55:43,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-03 22:55:43,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:55:43,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-03 22:55:43,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-05-03 22:55:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:55:43,918 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:55:43,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 22 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 22:55:43,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:55:43,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:55:43,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:55:43,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:55:43,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:56:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:56:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:56:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:56:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:56:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:56:13,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:56:13,004 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:56:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:56:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1074043465, now seen corresponding path program 3 times [2021-05-03 22:56:13,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:56:13,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647301335] [2021-05-03 22:56:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:56:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:56:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:56:13,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647301335] [2021-05-03 22:56:13,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293339782] [2021-05-03 22:56:13,088 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 22:56:13,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 22:56:13,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:56:13,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 22:56:13,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:56:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:56:13,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:56:13,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-03 22:56:13,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341412217] [2021-05-03 22:56:13,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 22:56:13,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:56:13,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 22:56:13,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-03 22:56:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:56:13,274 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:56:13,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 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 22:56:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:56:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:56:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:56:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:56:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:56:13,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:56:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:56:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:56:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:56:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:56:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:56:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:56:13,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 22:56:13,649 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:56:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:56:13,649 INFO L82 PathProgramCache]: Analyzing trace with hash -982471539, now seen corresponding path program 4 times [2021-05-03 22:56:13,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:56:13,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586202412] [2021-05-03 22:56:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:56:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:56:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:56:13,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586202412] [2021-05-03 22:56:13,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930090726] [2021-05-03 22:56:13,716 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 22:56:13,739 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 22:56:13,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:56:13,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 22:56:13,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:56:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 22:56:13,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 22:56:13,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 22:56:13,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082482846] [2021-05-03 22:56:13,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 22:56:13,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 22:56:13,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 22:56:13,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-03 22:56:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:56:13,877 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 22:56:13,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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 22:56:13,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:56:13,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:56:13,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:56:13,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:56:13,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:56:13,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:56:13,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 22:56:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 22:56:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 22:56:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 22:56:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 22:56:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:56:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 22:56:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 22:56:14,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-05-03 22:56:14,193 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 22:56:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 22:56:14,194 INFO L82 PathProgramCache]: Analyzing trace with hash 917063275, now seen corresponding path program 5 times [2021-05-03 22:56:14,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 22:56:14,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259525287] [2021-05-03 22:56:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 22:56:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 22:56:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 22:56:14,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259525287] [2021-05-03 22:56:14,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094195451] [2021-05-03 22:56:14,627 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 22:56:14,659 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 22:56:14,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 22:56:14,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-03 22:56:14,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 22:56:31,531 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 47 [2021-05-03 22:56:33,128 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 22:56:34,738 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 43 [2021-05-03 22:56:36,281 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 41 [2021-05-03 22:56:38,141 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 43 [2021-05-03 22:56:38,271 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:56:38,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 97 treesize of output 149 [2021-05-03 22:56:44,461 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 22:56:44,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:56:44,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:56:44,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 129 [2021-05-03 22:56:49,016 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 22:56:49,137 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-05-03 22:56:49,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:56:49,250 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 22:56:49,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 197 [2021-05-03 22:56:49,939 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 353 [2021-05-03 22:56:50,289 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 392 [2021-05-03 22:56:50,668 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2021-05-03 22:56:51,618 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 520 [2021-05-03 22:56:52,579 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 520 [2021-05-03 22:56:53,575 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 532 [2021-05-03 22:56:56,634 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 513 DAG size of output: 591 [2021-05-03 22:56:59,763 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 507 DAG size of output: 585 [2021-05-03 22:57:00,616 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 283 [2021-05-03 22:57:07,244 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1143 [2021-05-03 22:57:22,015 WARN L205 SmtUtils]: Spent 14.76 s on a formula simplification. DAG size of input: 1574 DAG size of output: 1397 [2021-05-03 22:57:36,813 WARN L205 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 1574 DAG size of output: 1397 [2021-05-03 22:58:22,698 WARN L205 SmtUtils]: Spent 45.87 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1813 [2021-05-03 22:59:13,706 WARN L205 SmtUtils]: Spent 50.04 s on a formula simplification. DAG size of input: 2086 DAG size of output: 2185 [2021-05-03 23:00:03,437 WARN L205 SmtUtils]: Spent 49.70 s on a formula simplification. DAG size of input: 2086 DAG size of output: 2185 [2021-05-03 23:00:57,182 WARN L205 SmtUtils]: Spent 53.29 s on a formula simplification. DAG size of input: 107949 DAG size of output: 2130 [2021-05-03 23:01:40,592 WARN L205 SmtUtils]: Spent 43.40 s on a formula simplification. DAG size of input: 2116 DAG size of output: 2093 [2021-05-03 23:01:40,658 INFO L550 ElimStorePlain]: Start of recursive call 4: 9216 dim-0 vars, End of recursive call: and 3 xjuncts. Received shutdown request... [2021-05-03 23:10:22,332 WARN L222 SmtUtils]: Removed 5 from assertion stack [2021-05-03 23:10:22,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-05-03 23:10:22,535 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 23:10:22,542 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 23:10:22,542 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 11:10:22 BasicIcfg [2021-05-03 23:10:22,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 23:10:22,543 INFO L168 Benchmark]: Toolchain (without parser) took 883161.69 ms. Allocated memory was 308.3 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 288.1 MB in the beginning and 3.3 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. [2021-05-03 23:10:22,543 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 308.3 MB. Free memory is still 289.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 23:10:22,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.96 ms. Allocated memory is still 308.3 MB. Free memory was 288.0 MB in the beginning and 286.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 23:10:22,543 INFO L168 Benchmark]: Boogie Preprocessor took 18.44 ms. Allocated memory is still 308.3 MB. Free memory was 286.5 MB in the beginning and 285.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 23:10:22,543 INFO L168 Benchmark]: RCFGBuilder took 184.51 ms. Allocated memory is still 308.3 MB. Free memory was 285.4 MB in the beginning and 272.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-05-03 23:10:22,543 INFO L168 Benchmark]: TraceAbstraction took 882935.70 ms. Allocated memory was 308.3 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 272.1 MB in the beginning and 3.3 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. [2021-05-03 23:10:22,543 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 0.10 ms. Allocated memory is still 308.3 MB. Free memory is still 289.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.96 ms. Allocated memory is still 308.3 MB. Free memory was 288.0 MB in the beginning and 286.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.44 ms. Allocated memory is still 308.3 MB. Free memory was 286.5 MB in the beginning and 285.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 184.51 ms. Allocated memory is still 308.3 MB. Free memory was 285.4 MB in the beginning and 272.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 882935.70 ms. Allocated memory was 308.3 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 272.1 MB in the beginning and 3.3 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 284, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 209, positive: 209, positive conditional: 209, 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: 486, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 230, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 230, positive: 214, positive conditional: 0, positive unconditional: 214, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 486, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 230, unknown conditional: 0, unknown unconditional: 230] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, 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): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 75 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 154, Number of persistent set computation: 234, Number of trivial persistent sets: 225, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 230, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 230, positive: 214, positive conditional: 0, positive unconditional: 214, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 486, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 230, unknown conditional: 0, unknown unconditional: 230] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 67). Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2164 for 521668ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 882850.4ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.8ms, PartialOrderReductionTime: 29706.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 75, 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: 36.1ms SsaConstructionTime, 126.7ms SatisfiabilityAnalysisTime, 3058.5ms InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 351 ConstructedInterpolants, 14 QuantifiedInterpolants, 4522 SizeOfPredicates, 26 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 59/169 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown