/usr/bin/java -Xmx8000000000 -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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 05:05:43,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 05:05:43,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 05:05:43,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 05:05:43,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 05:05:43,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 05:05:43,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 05:05:43,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 05:05:43,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 05:05:43,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 05:05:43,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 05:05:43,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 05:05:43,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 05:05:43,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 05:05:43,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 05:05:43,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 05:05:43,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 05:05:43,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 05:05:43,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 05:05:43,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 05:05:43,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 05:05:43,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 05:05:43,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 05:05:43,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 05:05:43,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 05:05:43,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 05:05:43,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 05:05:43,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 05:05:43,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 05:05:43,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 05:05:43,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 05:05:43,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 05:05:43,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 05:05:43,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 05:05:43,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 05:05:43,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 05:05:43,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 05:05:43,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 05:05:43,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 05:05:43,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 05:05:43,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 05:05:43,186 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-None-NoLbe.epf [2021-06-13 05:05:43,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 05:05:43,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 05:05:43,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 05:05:43,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 05:05:43,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 05:05:43,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 05:05:43,210 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 05:05:43,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 05:05:43,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 05:05:43,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 05:05:43,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 05:05:43,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 05:05:43,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 05:05:43,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 05:05:43,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 05:05:43,211 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 05:05:43,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 05:05:43,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:05:43,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 05:05:43,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 05:05:43,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 05:05:43,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 05:05:43,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 05:05:43,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 05:05:43,490 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 05:05:43,491 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 05:05:43,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-06-13 05:05:43,500 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-06-13 05:05:43,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 05:05:43,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 05:05:43,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 05:05:43,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 05:05:43,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 05:05:43,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 05:05:43,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 05:05:43,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 05:05:43,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 05:05:43,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... [2021-06-13 05:05:43,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 05:05:43,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 05:05:43,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 05:05:43,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 05:05:43,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:05:43,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 05:05:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 05:05:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 05:05:43,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 05:05:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 05:05:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 05:05:43,696 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 05:05:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 05:05:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 05:05:43,696 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 05:05:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 05:05:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 05:05:43,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-13 05:05:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-13 05:05:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-13 05:05:43,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 05:05:43,879 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 05:05:43,879 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 05:05:43,881 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:05:43 BoogieIcfgContainer [2021-06-13 05:05:43,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 05:05:43,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 05:05:43,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 05:05:43,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 05:05:43,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:05:43" (1/2) ... [2021-06-13 05:05:43,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f55508 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:05:43, skipping insertion in model container [2021-06-13 05:05:43,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:05:43" (2/2) ... [2021-06-13 05:05:43,886 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-06-13 05:05:43,889 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 05:05:43,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 05:05:43,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 05:05:43,890 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 05:05:43,938 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-13 05:05:43,952 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 05:05:43,984 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 05:05:43,984 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 05:05:43,984 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 05:05:43,984 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 05:05:43,984 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 05:05:43,985 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 05:05:43,985 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 05:05:43,985 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 05:05:43,993 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 35 transitions, 102 flow [2021-06-13 05:05:44,051 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 637 states, 635 states have (on average 3.8866141732283466) internal successors, (2468), 636 states have internal predecessors, (2468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:05:44,059 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:44,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:44,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1654057189, now seen corresponding path program 1 times [2021-06-13 05:05:44,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:44,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584517070] [2021-06-13 05:05:44,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:05:44,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:44,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584517070] [2021-06-13 05:05:44,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584517070] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:44,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419929513] [2021-06-13 05:05:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:44,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 05:05:44,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:05:44,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419929513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:44,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:05:44,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-13 05:05:44,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79740384] [2021-06-13 05:05:44,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 05:05:44,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:05:44,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 05:05:44,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-13 05:05:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:44,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:05:44,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:05:44,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:44,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 05:05:44,681 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:44,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:44,682 INFO L82 PathProgramCache]: Analyzing trace with hash 2030133788, now seen corresponding path program 2 times [2021-06-13 05:05:44,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:44,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509096746] [2021-06-13 05:05:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 05:05:44,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:44,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509096746] [2021-06-13 05:05:44,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509096746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:44,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211553534] [2021-06-13 05:05:44,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:44,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 05:05:44,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:05:44,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 05:05:44,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 05:05:44,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211553534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:44,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:05:44,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-13 05:05:44,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844252030] [2021-06-13 05:05:44,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 05:05:44,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:05:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 05:05:44,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-13 05:05:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:44,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:05:44,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 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) [2021-06-13 05:05:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:45,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:45,121 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:45,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:45,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1938269185, now seen corresponding path program 3 times [2021-06-13 05:05:45,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:45,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078563268] [2021-06-13 05:05:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 05:05:45,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:45,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078563268] [2021-06-13 05:05:45,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078563268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:45,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572108291] [2021-06-13 05:05:45,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:45,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-13 05:05:45,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:05:45,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 05:05:45,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 05:05:45,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572108291] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:45,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:05:45,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-13 05:05:45,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139618629] [2021-06-13 05:05:45,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 05:05:45,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:05:45,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 05:05:45,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-06-13 05:05:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:45,490 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:05:45,490 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:05:45,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:45,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:45,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:45,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:45,825 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:45,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:45,826 INFO L82 PathProgramCache]: Analyzing trace with hash 404165683, now seen corresponding path program 4 times [2021-06-13 05:05:45,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:45,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337828402] [2021-06-13 05:05:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 43 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 05:05:45,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:45,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337828402] [2021-06-13 05:05:45,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337828402] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:45,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272130612] [2021-06-13 05:05:45,904 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:45,962 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 05:05:45,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:05:45,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 05:05:45,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 54 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 05:05:46,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272130612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:46,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:05:46,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-13 05:05:46,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670033701] [2021-06-13 05:05:46,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-13 05:05:46,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:05:46,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-13 05:05:46,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-06-13 05:05:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:46,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:05:46,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:05:46,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:46,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:46,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:46,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:05:46,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:46,391 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:46,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:46,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2101023241, now seen corresponding path program 5 times [2021-06-13 05:05:46,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:46,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235753368] [2021-06-13 05:05:46,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:05:47,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:47,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235753368] [2021-06-13 05:05:47,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235753368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:47,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401578598] [2021-06-13 05:05:47,147 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:47,227 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-13 05:05:47,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:05:47,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-13 05:05:47,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:49,121 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-13 05:05:49,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 337 treesize of output 207 [2021-06-13 05:05:49,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 05:05:49,690 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 24 [2021-06-13 05:05:49,691 INFO L628 ElimStorePlain]: treesize reduction 1873, result has 1.8 percent of original size [2021-06-13 05:05:49,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 05:05:49,691 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:337, output treesize:35 [2021-06-13 05:05:49,910 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-13 05:05:49,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 35 [2021-06-13 05:05:49,916 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-13 05:05:49,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:05:49,924 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-13 05:05:49,924 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:35 [2021-06-13 05:05:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:05:49,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401578598] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:49,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:05:49,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-06-13 05:05:49,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354007195] [2021-06-13 05:05:49,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-13 05:05:49,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:05:49,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-13 05:05:49,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1700, Unknown=0, NotChecked=0, Total=1806 [2021-06-13 05:05:49,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:49,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:05:49,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 3.046511627906977) internal successors, (131), 42 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:05:49,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:49,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:49,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:49,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:05:49,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:05:51,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:05:51,487 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:51,487 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:51,488 INFO L82 PathProgramCache]: Analyzing trace with hash -201795228, now seen corresponding path program 6 times [2021-06-13 05:05:51,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:51,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015194743] [2021-06-13 05:05:51,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-06-13 05:05:51,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:51,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015194743] [2021-06-13 05:05:51,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015194743] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:51,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533808261] [2021-06-13 05:05:51,537 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:51,605 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-13 05:05:51,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:05:51,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 05:05:51,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-06-13 05:05:51,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533808261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:51,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:05:51,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-13 05:05:51,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036596571] [2021-06-13 05:05:51,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 05:05:51,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:05:51,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 05:05:51,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-06-13 05:05:51,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:51,746 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:05:51,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:05:51,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:51,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:51,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:51,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:05:51,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:05:51,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:05:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:05:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:05:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:05:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:05:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:05:51,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:51,996 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:05:51,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:05:51,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1561421271, now seen corresponding path program 7 times [2021-06-13 05:05:51,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:05:51,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269702521] [2021-06-13 05:05:51,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:05:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:05:53,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:05:53,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269702521] [2021-06-13 05:05:53,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269702521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:05:53,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961224010] [2021-06-13 05:05:53,106 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:05:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:05:53,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 87 conjunts are in the unsatisfiable core [2021-06-13 05:05:53,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:05:54,636 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-13 05:05:55,008 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-13 05:05:55,354 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-13 05:05:55,699 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-13 05:05:56,060 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-13 05:05:56,399 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-06-13 05:05:56,768 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-06-13 05:05:57,120 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-13 05:05:57,477 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-13 05:05:57,538 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-13 05:05:57,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 665 treesize of output 427 [2021-06-13 05:05:58,680 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 4066 DAG size of output: 4066 [2021-06-13 05:05:59,742 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 4066 DAG size of output: 4066 [2021-06-13 05:06:00,775 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 4066 [2021-06-13 05:06:00,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 05:08:20,055 WARN L205 SmtUtils]: Spent 2.32 m on a formula simplification. DAG size of input: 4066 DAG size of output: 36 [2021-06-13 05:08:20,056 INFO L628 ElimStorePlain]: treesize reduction 45472, result has 0.1 percent of original size [2021-06-13 05:08:20,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 05:08:20,057 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:665, output treesize:57 [2021-06-13 05:08:20,593 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-13 05:08:20,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 173 treesize of output 65 [2021-06-13 05:08:20,602 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-13 05:08:20,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:08:20,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-13 05:08:20,615 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:65 [2021-06-13 05:08:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:08:20,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961224010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:08:20,697 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:08:20,697 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 58 [2021-06-13 05:08:20,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010744205] [2021-06-13 05:08:20,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-13 05:08:20,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:08:20,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-13 05:08:20,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=3262, Unknown=0, NotChecked=0, Total=3422 [2021-06-13 05:08:20,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:08:20,701 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:08:20,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 2.8983050847457625) internal successors, (171), 58 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:08:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:08:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:08:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:08:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:08:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:08:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-13 05:08:23,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 05:08:23,949 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:08:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:08:23,949 INFO L82 PathProgramCache]: Analyzing trace with hash 880284512, now seen corresponding path program 8 times [2021-06-13 05:08:23,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:08:23,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051068380] [2021-06-13 05:08:23,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:08:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:08:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 40 proven. 36 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-06-13 05:08:24,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:08:24,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051068380] [2021-06-13 05:08:24,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051068380] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:08:24,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281302619] [2021-06-13 05:08:24,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:08:24,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 05:08:24,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:08:24,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-13 05:08:24,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:08:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 121 proven. 145 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-06-13 05:08:24,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281302619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:08:24,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:08:24,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 19 [2021-06-13 05:08:24,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960555561] [2021-06-13 05:08:24,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-13 05:08:24,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:08:24,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-13 05:08:24,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2021-06-13 05:08:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:08:24,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:08:24,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 6.1) internal successors, (122), 19 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:08:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:08:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:08:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:08:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:08:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-13 05:08:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:08:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-13 05:08:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-13 05:08:24,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:08:24,716 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:08:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:08:24,716 INFO L82 PathProgramCache]: Analyzing trace with hash -338531877, now seen corresponding path program 9 times [2021-06-13 05:08:24,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:08:24,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144894061] [2021-06-13 05:08:24,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:08:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:08:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 187 proven. 144 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-06-13 05:08:24,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:08:24,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144894061] [2021-06-13 05:08:24,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144894061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:08:24,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268013556] [2021-06-13 05:08:24,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:08:24,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-13 05:08:24,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:08:24,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 115 conjunts are in the unsatisfiable core [2021-06-13 05:08:24,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:08:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:08:27,289 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-06-13 05:08:27,459 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-06-13 05:08:27,460 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:08:27,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 125 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 28 case distinctions, treesize of input 200 treesize of output 436 [2021-06-13 05:08:28,448 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 358 [2021-06-13 05:08:28,642 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 426 [2021-06-13 05:08:29,699 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 524 [2021-06-13 05:08:30,254 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 783 [2021-06-13 05:08:30,750 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 783 [2021-06-13 05:08:31,344 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 786 [2021-06-13 05:08:32,281 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 1018 [2021-06-13 05:08:32,953 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 374 [2021-06-13 05:08:33,060 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 329 [2021-06-13 05:08:33,478 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 290 [2021-06-13 05:08:33,968 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 571 [2021-06-13 05:08:34,426 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 528 [2021-06-13 05:08:34,893 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 836 [2021-06-13 05:08:35,585 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 529 [2021-06-13 05:08:36,256 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 1138 [2021-06-13 05:08:37,860 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 2100 DAG size of output: 1878 [2021-06-13 05:08:39,464 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 2100 DAG size of output: 1878 [2021-06-13 05:08:41,216 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 2102 DAG size of output: 1878 [2021-06-13 05:08:43,929 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1880 DAG size of output: 2324 [2021-06-13 05:08:44,269 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 428 Received shutdown request... [2021-06-13 05:20:05,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:20:05,441 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 05:20:05,447 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 05:20:05,448 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 05:20:05,448 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 05:20:05 BasicIcfg [2021-06-13 05:20:05,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 05:20:05,448 INFO L168 Benchmark]: Toolchain (without parser) took 861917.15 ms. Allocated memory was 183.5 MB in the beginning and 729.8 MB in the end (delta: 546.3 MB). Free memory was 163.4 MB in the beginning and 599.2 MB in the end (delta: -435.9 MB). Peak memory consumption was 458.8 MB. Max. memory is 8.0 GB. [2021-06-13 05:20:05,448 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 183.5 MB. Free memory is still 164.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 05:20:05,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.80 ms. Allocated memory is still 183.5 MB. Free memory was 163.3 MB in the beginning and 161.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:20:05,448 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 ms. Allocated memory is still 183.5 MB. Free memory was 161.8 MB in the beginning and 160.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:20:05,449 INFO L168 Benchmark]: RCFGBuilder took 306.33 ms. Allocated memory is still 183.5 MB. Free memory was 160.7 MB in the beginning and 145.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-13 05:20:05,449 INFO L168 Benchmark]: TraceAbstraction took 861565.78 ms. Allocated memory was 183.5 MB in the beginning and 729.8 MB in the end (delta: 546.3 MB). Free memory was 145.1 MB in the beginning and 599.2 MB in the end (delta: -454.2 MB). Peak memory consumption was 441.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:20:05,449 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 0.11 ms. Allocated memory is still 183.5 MB. Free memory is still 164.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.80 ms. Allocated memory is still 183.5 MB. Free memory was 163.3 MB in the beginning and 161.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.02 ms. Allocated memory is still 183.5 MB. Free memory was 161.8 MB in the beginning and 160.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 306.33 ms. Allocated memory is still 183.5 MB. Free memory was 160.7 MB in the beginning and 145.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 861565.78 ms. Allocated memory was 183.5 MB in the beginning and 729.8 MB in the end (delta: 546.3 MB). Free memory was 145.1 MB in the beginning and 599.2 MB in the end (delta: -454.2 MB). Peak memory consumption was 441.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 113 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 861483.3ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 66.4ms, PartialOrderReductionTime: 4795.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=637occurred in iteration=0, InterpolantAutomatonStates: 115, 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: 89.0ms SsaConstructionTime, 396.4ms SatisfiabilityAnalysisTime, 153314.6ms InterpolantComputationTime, 1040 NumberOfCodeBlocks, 1035 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1024 ConstructedInterpolants, 0 QuantifiedInterpolants, 35809 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1475 ConjunctsInSsa, 210 ConjunctsInUnsatCore, 16 InterpolantComputations, 0 PerfectInterpolantSequences, 1182/2254 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