/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 22:48:23,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 22:48:23,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 22:48:23,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 22:48:23,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 22:48:23,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 22:48:23,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 22:48:23,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 22:48:23,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 22:48:23,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 22:48:23,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 22:48:23,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 22:48:23,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 22:48:23,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 22:48:23,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 22:48:23,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 22:48:23,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 22:48:23,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 22:48:23,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 22:48:23,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 22:48:23,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 22:48:23,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 22:48:23,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 22:48:23,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 22:48:23,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 22:48:23,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 22:48:23,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 22:48:23,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 22:48:23,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 22:48:23,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 22:48:23,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 22:48:23,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 22:48:23,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 22:48:23,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 22:48:23,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 22:48:23,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 22:48:23,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 22:48:23,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 22:48:23,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 22:48:23,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 22:48:23,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 22:48:23,191 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-13 22:48:23,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 22:48:23,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 22:48:23,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 22:48:23,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 22:48:23,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 22:48:23,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 22:48:23,230 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 22:48:23,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 22:48:23,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 22:48:23,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 22:48:23,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 22:48:23,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 22:48:23,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 22:48:23,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 22:48:23,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 22:48:23,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 22:48:23,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 22:48:23,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 22:48:23,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 22:48:23,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 22:48:23,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 22:48:23,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 22:48:23,234 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 22:48:23,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 22:48:23,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 22:48:23,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 22:48:23,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 22:48:23,234 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 22:48:23,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 22:48:23,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 22:48:23,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 22:48:23,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 22:48:23,559 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 22:48:23,559 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 22:48:23,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2021-06-13 22:48:23,560 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2021-06-13 22:48:23,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 22:48:23,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 22:48:23,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 22:48:23,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 22:48:23,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 22:48:23,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 22:48:23,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 22:48:23,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 22:48:23,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 22:48:23,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/1) ... [2021-06-13 22:48:23,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 22:48:23,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 22:48:23,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 22:48:23,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 22:48:23,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (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 22:48:23,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 22:48:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 22:48:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 22:48:23,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 22:48:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 22:48:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 22:48:23,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 22:48:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 22:48:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 22:48:23,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 22:48:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 22:48:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 22:48:23,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-13 22:48:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-13 22:48:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-13 22:48:23,719 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 22:48:24,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 22:48:24,028 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 22:48:24,030 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:48:24 BoogieIcfgContainer [2021-06-13 22:48:24,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 22:48:24,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 22:48:24,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 22:48:24,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 22:48:24,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:48:23" (1/2) ... [2021-06-13 22:48:24,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578a855c and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 10:48:24, skipping insertion in model container [2021-06-13 22:48:24,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:48:24" (2/2) ... [2021-06-13 22:48:24,036 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2021-06-13 22:48:24,040 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 22:48:24,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 22:48:24,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 22:48:24,041 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 22:48:24,121 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-13 22:48:24,142 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 22:48:24,186 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 22:48:24,186 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 22:48:24,186 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 22:48:24,186 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 22:48:24,186 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 22:48:24,186 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 22:48:24,187 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 22:48:24,187 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 22:48:24,346 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:24,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:24,351 INFO L82 PathProgramCache]: Analyzing trace with hash -448335580, now seen corresponding path program 1 times [2021-06-13 22:48:24,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:24,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79325630] [2021-06-13 22:48:24,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-13 22:48:24,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:24,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79325630] [2021-06-13 22:48:24,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79325630] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 22:48:24,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 22:48:24,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 22:48:24,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798167942] [2021-06-13 22:48:24,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 22:48:24,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:24,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 22:48:24,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 22:48:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:24,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:24,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 22:48:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:24,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:24,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 22:48:24,673 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:24,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:24,674 INFO L82 PathProgramCache]: Analyzing trace with hash -862058114, now seen corresponding path program 2 times [2021-06-13 22:48:24,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:24,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841025221] [2021-06-13 22:48:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 22:48:24,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:24,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841025221] [2021-06-13 22:48:24,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841025221] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:24,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12682778] [2021-06-13 22:48:24,748 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 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 22:48:24,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:48:24,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:48:24,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 22:48:24,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:25,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12682778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:25,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:48:25,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2021-06-13 22:48:25,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246967415] [2021-06-13 22:48:25,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 22:48:25,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:25,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 22:48:25,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-13 22:48:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:25,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:25,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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 22:48:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:25,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:48:25,549 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:25,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:25,550 INFO L82 PathProgramCache]: Analyzing trace with hash -821327522, now seen corresponding path program 3 times [2021-06-13 22:48:25,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:25,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201063189] [2021-06-13 22:48:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:25,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:25,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201063189] [2021-06-13 22:48:25,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201063189] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:25,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756797273] [2021-06-13 22:48:25,814 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 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 22:48:25,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-13 22:48:25,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:48:25,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 22:48:25,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:26,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 22:48:26,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:26,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:26,064 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 22:48:26,064 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2021-06-13 22:48:26,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 22:48:26,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:26,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:26,187 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 22:48:26,187 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2021-06-13 22:48:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:26,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756797273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:26,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:48:26,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-06-13 22:48:26,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60258708] [2021-06-13 22:48:26,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-13 22:48:26,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:26,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-13 22:48:26,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-06-13 22:48:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:26,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:26,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 24 states have internal predecessors, (70), 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 22:48:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:27,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:48:27,561 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:27,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:27,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1729717226, now seen corresponding path program 4 times [2021-06-13 22:48:27,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:27,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398466144] [2021-06-13 22:48:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 22:48:27,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:27,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398466144] [2021-06-13 22:48:27,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398466144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:27,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558226380] [2021-06-13 22:48:27,616 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 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 22:48:27,677 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:48:27,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:48:27,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-13 22:48:27,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-13 22:48:27,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558226380] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 22:48:27,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 22:48:27,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-06-13 22:48:27,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110732816] [2021-06-13 22:48:27,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 22:48:27,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:27,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 22:48:27,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-13 22:48:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:27,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:27,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 22:48:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:27,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:28,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:48:28,185 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:28,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:28,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1030711634, now seen corresponding path program 5 times [2021-06-13 22:48:28,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:28,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523813259] [2021-06-13 22:48:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:28,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:28,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523813259] [2021-06-13 22:48:28,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523813259] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:28,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046660896] [2021-06-13 22:48:28,659 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 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 22:48:28,702 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-13 22:48:28,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:48:28,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-13 22:48:28,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:29,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 22:48:29,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:48:29,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-06-13 22:48:29,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:29,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:29,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:48:29,448 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:24 [2021-06-13 22:48:29,544 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-13 22:48:29,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-06-13 22:48:29,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:29,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:29,551 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 22:48:29,551 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:10 [2021-06-13 22:48:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:29,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046660896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:29,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:48:29,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 38 [2021-06-13 22:48:29,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329224500] [2021-06-13 22:48:29,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-13 22:48:29,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:29,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-13 22:48:29,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1247, Unknown=0, NotChecked=0, Total=1406 [2021-06-13 22:48:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:29,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:29,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.0789473684210527) internal successors, (79), 38 states have internal predecessors, (79), 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 22:48:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:48:33,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:48:33,646 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:33,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:33,647 INFO L82 PathProgramCache]: Analyzing trace with hash -176397941, now seen corresponding path program 6 times [2021-06-13 22:48:33,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:33,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231095391] [2021-06-13 22:48:33,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 14 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:34,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:34,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231095391] [2021-06-13 22:48:34,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231095391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:34,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444866841] [2021-06-13 22:48:34,383 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 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 22:48:34,437 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-13 22:48:34,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:48:34,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-13 22:48:34,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:35,369 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-13 22:48:35,369 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 51 treesize of output 31 [2021-06-13 22:48:35,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:35,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:35,381 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 22:48:35,381 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:39 [2021-06-13 22:48:35,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 22:48:35,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 22:48:35,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:48:35,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 22:48:35,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-06-13 22:48:35,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:35,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:35,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:48:35,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:12 [2021-06-13 22:48:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:35,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444866841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:35,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:48:35,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 52 [2021-06-13 22:48:35,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47110804] [2021-06-13 22:48:35,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-13 22:48:35,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:35,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-13 22:48:35,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=2423, Unknown=0, NotChecked=0, Total=2652 [2021-06-13 22:48:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:35,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:35,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.230769230769231) internal successors, (116), 52 states have internal predecessors, (116), 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 22:48:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:48:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:48:43,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:48:43,525 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:43,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:43,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1871123805, now seen corresponding path program 7 times [2021-06-13 22:48:43,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:43,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289924841] [2021-06-13 22:48:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 16 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:44,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:44,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289924841] [2021-06-13 22:48:44,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289924841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:44,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158981320] [2021-06-13 22:48:44,517 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 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 22:48:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:44,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-13 22:48:44,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:45,999 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-13 22:48:46,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 43 [2021-06-13 22:48:46,002 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:46,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:46,016 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 22:48:46,016 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:97, output treesize:51 [2021-06-13 22:48:46,205 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-13 22:48:46,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-06-13 22:48:46,207 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:46,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:46,211 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 22:48:46,211 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:10 [2021-06-13 22:48:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 12 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:46,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158981320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:46,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:48:46,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 33] total 65 [2021-06-13 22:48:46,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027816139] [2021-06-13 22:48:46,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-13 22:48:46,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:46,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-13 22:48:46,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=3837, Unknown=0, NotChecked=0, Total=4160 [2021-06-13 22:48:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:46,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:46,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.9076923076923078) internal successors, (124), 65 states have internal predecessors, (124), 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 22:48:46,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:46,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:46,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:46,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:46,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:48:46,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:48:46,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:48:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:48:55,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-13 22:48:55,447 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1037537299, now seen corresponding path program 8 times [2021-06-13 22:48:55,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:55,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442645594] [2021-06-13 22:48:55,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:48:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:48:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-13 22:48:56,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:48:56,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442645594] [2021-06-13 22:48:56,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442645594] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:56,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298293677] [2021-06-13 22:48:56,440 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 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 22:48:56,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:48:56,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:48:56,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 73 conjunts are in the unsatisfiable core [2021-06-13 22:48:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:48:58,721 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-13 22:48:58,721 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 91 treesize of output 55 [2021-06-13 22:48:58,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:58,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:58,735 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 22:48:58,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:120, output treesize:61 [2021-06-13 22:48:58,917 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-13 22:48:58,917 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 62 treesize of output 26 [2021-06-13 22:48:58,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:48:58,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:48:58,924 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 22:48:58,924 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:10 [2021-06-13 22:48:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 7 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:48:59,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298293677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:48:59,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:48:59,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39] total 75 [2021-06-13 22:48:59,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661824797] [2021-06-13 22:48:59,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-06-13 22:48:59,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:48:59,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-06-13 22:48:59,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=5157, Unknown=0, NotChecked=0, Total=5550 [2021-06-13 22:48:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:59,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:48:59,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 1.92) internal successors, (144), 75 states have internal predecessors, (144), 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 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:48:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:49:13,125 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2021-06-13 22:49:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:49:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:49:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:49:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:49:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:49:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:49:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:49:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:49:14,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-13 22:49:14,477 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:49:14,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:49:14,477 INFO L82 PathProgramCache]: Analyzing trace with hash -658389332, now seen corresponding path program 9 times [2021-06-13 22:49:14,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:49:14,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686951178] [2021-06-13 22:49:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:49:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:49:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 33 proven. 198 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 22:49:15,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:49:15,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686951178] [2021-06-13 22:49:15,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686951178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:49:15,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111939260] [2021-06-13 22:49:15,833 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 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 22:49:15,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-13 22:49:15,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:49:15,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 90 conjunts are in the unsatisfiable core [2021-06-13 22:49:15,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:49:18,868 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-13 22:49:18,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 111 treesize of output 67 [2021-06-13 22:49:18,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:49:18,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:49:18,885 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 22:49:18,885 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:75 [2021-06-13 22:49:19,160 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-13 22:49:19,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2021-06-13 22:49:19,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:49:19,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:49:19,167 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 22:49:19,168 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:12 [2021-06-13 22:49:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:49:19,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111939260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:49:19,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:49:19,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46] total 87 [2021-06-13 22:49:19,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718059811] [2021-06-13 22:49:19,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-06-13 22:49:19,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:49:19,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-06-13 22:49:19,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=7049, Unknown=0, NotChecked=0, Total=7482 [2021-06-13 22:49:19,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:49:19,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:49:19,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.0689655172413794) internal successors, (180), 87 states have internal predecessors, (180), 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 22:49:19,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:49:19,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:49:26,955 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-13 22:49:38,210 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:49:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:49:40,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:49:40,845 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:49:40,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:49:40,845 INFO L82 PathProgramCache]: Analyzing trace with hash 747455806, now seen corresponding path program 10 times [2021-06-13 22:49:40,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:49:40,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183332893] [2021-06-13 22:49:40,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:49:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:49:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 33 proven. 267 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-13 22:49:42,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:49:42,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183332893] [2021-06-13 22:49:42,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183332893] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:49:42,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106347168] [2021-06-13 22:49:42,236 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 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 22:49:42,296 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:49:42,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:49:42,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 102 conjunts are in the unsatisfiable core [2021-06-13 22:49:42,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:49:46,519 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-13 22:49:46,519 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 131 treesize of output 79 [2021-06-13 22:49:46,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:49:46,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:49:46,543 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 22:49:46,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:172, output treesize:87 [2021-06-13 22:49:46,864 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-13 22:49:46,864 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 86 treesize of output 34 [2021-06-13 22:49:46,866 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:49:46,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:49:46,872 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 22:49:46,872 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-06-13 22:49:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 19 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:49:47,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106347168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:49:47,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:49:47,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 52] total 96 [2021-06-13 22:49:47,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311001659] [2021-06-13 22:49:47,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 96 states [2021-06-13 22:49:47,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:49:47,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-06-13 22:49:47,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=8622, Unknown=0, NotChecked=0, Total=9120 [2021-06-13 22:49:47,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:49:47,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:49:47,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 96 states, 96 states have (on average 1.9166666666666667) internal successors, (184), 96 states have internal predecessors, (184), 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 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:49:47,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:50:03,793 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:50:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:50:13,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:50:13,005 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:50:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:50:13,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1233189518, now seen corresponding path program 11 times [2021-06-13 22:50:13,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:50:13,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305844940] [2021-06-13 22:50:13,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:50:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:50:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 27 proven. 351 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-13 22:50:14,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:50:14,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305844940] [2021-06-13 22:50:14,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305844940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:50:14,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384909903] [2021-06-13 22:50:14,576 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:50:14,667 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-06-13 22:50:14,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:50:14,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 122 conjunts are in the unsatisfiable core [2021-06-13 22:50:14,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:50:20,165 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-06-13 22:50:20,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 151 treesize of output 91 [2021-06-13 22:50:20,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:50:20,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:50:20,185 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 22:50:20,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:195, output treesize:97 [2021-06-13 22:50:20,430 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-06-13 22:50:20,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2021-06-13 22:50:20,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:50:20,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:50:20,439 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 22:50:20,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:101, output treesize:10 [2021-06-13 22:50:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:50:20,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384909903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:50:20,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:50:20,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 58] total 107 [2021-06-13 22:50:20,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098418828] [2021-06-13 22:50:20,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 107 states [2021-06-13 22:50:20,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:50:20,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-06-13 22:50:20,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=582, Invalid=10760, Unknown=0, NotChecked=0, Total=11342 [2021-06-13 22:50:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:50:20,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:50:20,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 107 states, 107 states have (on average 1.8785046728971964) internal successors, (201), 107 states have internal predecessors, (201), 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 22:50:20,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:50:20,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:50:20,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:50:20,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:50:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:50:28,040 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-13 22:50:31,499 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-13 22:50:32,914 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2021-06-13 22:50:35,211 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-13 22:50:50,484 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-13 22:50:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:50:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:50:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:50:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:50:53,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-13 22:50:53,378 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:50:53,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:50:53,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1684715093, now seen corresponding path program 12 times [2021-06-13 22:50:53,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:50:53,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559848408] [2021-06-13 22:50:53,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:50:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:50:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 57 proven. 447 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-13 22:50:55,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:50:55,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559848408] [2021-06-13 22:50:55,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559848408] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:50:55,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994403338] [2021-06-13 22:50:55,084 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:50:55,155 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-13 22:50:55,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:50:55,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 136 conjunts are in the unsatisfiable core [2021-06-13 22:50:55,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:51:01,915 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-13 22:51:01,915 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 171 treesize of output 103 [2021-06-13 22:51:01,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:51:01,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:51:01,941 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 22:51:01,941 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:222, output treesize:111 [2021-06-13 22:51:02,474 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-13 22:51:02,475 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 110 treesize of output 42 [2021-06-13 22:51:02,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:51:02,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:51:02,483 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 22:51:02,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:12 [2021-06-13 22:51:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 2 proven. 515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:51:02,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994403338] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:51:02,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:51:02,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 65] total 118 [2021-06-13 22:51:02,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748454713] [2021-06-13 22:51:02,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-06-13 22:51:02,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:51:02,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-06-13 22:51:02,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=13185, Unknown=0, NotChecked=0, Total=13806 [2021-06-13 22:51:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:51:02,781 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:51:02,781 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 118 states, 118 states have (on average 2.0) internal successors, (236), 118 states have internal predecessors, (236), 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 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:51:02,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:51:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:51:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:51:02,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:51:14,432 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-06-13 22:51:14,937 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2021-06-13 22:51:15,239 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-06-13 22:51:16,786 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-06-13 22:51:17,032 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2021-06-13 22:51:17,250 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-06-13 22:51:17,465 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-13 22:51:17,765 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2021-06-13 22:51:17,967 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-06-13 22:51:18,254 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2021-06-13 22:51:18,532 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-13 22:51:18,781 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-06-13 22:51:19,026 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2021-06-13 22:51:19,276 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-13 22:51:19,663 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-06-13 22:51:19,923 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-06-13 22:51:20,151 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2021-06-13 22:51:20,568 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-06-13 22:51:20,802 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-06-13 22:51:20,985 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2021-06-13 22:51:21,206 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-06-13 22:51:21,487 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2021-06-13 22:51:21,718 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-06-13 22:51:21,982 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2021-06-13 22:51:22,381 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-06-13 22:51:22,608 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2021-06-13 22:51:22,922 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-06-13 22:51:23,533 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-06-13 22:51:26,323 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-06-13 22:51:29,857 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2021-06-13 22:51:30,146 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2021-06-13 22:51:31,651 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-06-13 22:51:32,765 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-13 22:51:32,963 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2021-06-13 22:51:33,621 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2021-06-13 22:51:34,166 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2021-06-13 22:51:36,218 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-06-13 22:51:36,861 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-06-13 22:51:37,153 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-06-13 22:51:37,403 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-06-13 22:51:38,352 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-06-13 22:51:38,623 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-06-13 22:51:38,890 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 22:51:39,166 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-13 22:51:39,546 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-06-13 22:51:40,043 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-06-13 22:51:40,621 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-13 22:51:40,843 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2021-06-13 22:51:41,108 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2021-06-13 22:51:41,383 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2021-06-13 22:51:41,587 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2021-06-13 22:51:41,791 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2021-06-13 22:51:41,974 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 91 [2021-06-13 22:51:42,267 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-13 22:51:43,139 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-13 22:51:43,370 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-06-13 22:51:43,925 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-06-13 22:51:45,245 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-06-13 22:52:00,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:52:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:52:00,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:52:00,814 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:52:00,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:52:00,814 INFO L82 PathProgramCache]: Analyzing trace with hash 909399421, now seen corresponding path program 13 times [2021-06-13 22:52:00,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:52:00,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692126885] [2021-06-13 22:52:00,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:52:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:52:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 50 proven. 557 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-13 22:52:02,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:52:02,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692126885] [2021-06-13 22:52:02,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692126885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:52:02,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130333307] [2021-06-13 22:52:02,809 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:52:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:52:02,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 145 conjunts are in the unsatisfiable core [2021-06-13 22:52:02,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:52:11,554 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-06-13 22:52:11,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 191 treesize of output 115 [2021-06-13 22:52:11,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:52:11,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:52:11,582 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 22:52:11,582 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:247, output treesize:123 [2021-06-13 22:52:12,115 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-06-13 22:52:12,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2021-06-13 22:52:12,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:52:12,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:52:12,123 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 22:52:12,123 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:125, output treesize:10 [2021-06-13 22:52:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 26 proven. 596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:52:12,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130333307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:52:12,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:52:12,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 71] total 126 [2021-06-13 22:52:12,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373120553] [2021-06-13 22:52:12,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 126 states [2021-06-13 22:52:12,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:52:12,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2021-06-13 22:52:12,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=15118, Unknown=0, NotChecked=0, Total=15750 [2021-06-13 22:52:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:52:12,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:52:12,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 126 states, 126 states have (on average 1.9126984126984128) internal successors, (241), 126 states have internal predecessors, (241), 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 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:52:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:52:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:52:26,215 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2021-06-13 22:52:26,428 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 22:52:26,776 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2021-06-13 22:52:27,401 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-13 22:52:29,080 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2021-06-13 22:52:29,324 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2021-06-13 22:52:29,751 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2021-06-13 22:52:30,174 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2021-06-13 22:52:30,617 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-13 22:52:30,880 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-06-13 22:52:31,150 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-13 22:52:31,567 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-13 22:52:31,877 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2021-06-13 22:52:32,144 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2021-06-13 22:52:32,556 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-06-13 22:52:32,809 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2021-06-13 22:52:33,047 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-06-13 22:52:33,342 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-13 22:52:33,592 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2021-06-13 22:52:33,838 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-06-13 22:52:34,128 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-13 22:52:34,555 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-06-13 22:52:34,807 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2021-06-13 22:52:35,138 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-06-13 22:52:35,841 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-06-13 22:52:36,384 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-06-13 22:52:36,856 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-06-13 22:52:37,253 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-06-13 22:52:37,578 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-06-13 22:52:37,864 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-13 22:52:38,325 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-06-13 22:52:38,814 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2021-06-13 22:52:42,963 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2021-06-13 22:52:45,071 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-13 22:52:45,377 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-06-13 22:52:45,811 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2021-06-13 22:52:47,640 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-06-13 22:52:47,947 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-06-13 22:52:48,191 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2021-06-13 22:52:48,446 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-06-13 22:52:48,659 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-06-13 22:52:48,886 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-06-13 22:52:51,235 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-06-13 22:52:51,474 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-13 22:52:52,426 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2021-06-13 22:52:53,138 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2021-06-13 22:52:55,773 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2021-06-13 22:53:13,127 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:53:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:53:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:53:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:53:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:53:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:53:14,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-13 22:53:14,646 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:53:14,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:53:14,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1646524403, now seen corresponding path program 14 times [2021-06-13 22:53:14,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:53:14,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021097792] [2021-06-13 22:53:14,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:53:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:53:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 40 proven. 680 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-13 22:53:16,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:53:16,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021097792] [2021-06-13 22:53:16,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021097792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:53:16,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97906007] [2021-06-13 22:53:16,804 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:53:16,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:53:16,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:53:16,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 159 conjunts are in the unsatisfiable core [2021-06-13 22:53:16,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:53:28,086 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-06-13 22:53:28,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 211 treesize of output 127 [2021-06-13 22:53:28,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:53:28,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:53:28,127 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 22:53:28,127 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:270, output treesize:133 [2021-06-13 22:53:28,537 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-06-13 22:53:28,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 134 treesize of output 50 [2021-06-13 22:53:28,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:53:28,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:53:28,543 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 22:53:28,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:137, output treesize:10 [2021-06-13 22:53:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 13 proven. 724 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:53:28,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97906007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:53:28,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:53:28,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 77] total 137 [2021-06-13 22:53:28,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18505274] [2021-06-13 22:53:28,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 137 states [2021-06-13 22:53:28,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:53:28,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2021-06-13 22:53:28,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=721, Invalid=17911, Unknown=0, NotChecked=0, Total=18632 [2021-06-13 22:53:28,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:53:28,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:53:28,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 137 states, 137 states have (on average 1.897810218978102) internal successors, (260), 137 states have internal predecessors, (260), 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 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:53:28,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:53:28,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:53:39,562 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-06-13 22:53:42,622 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-06-13 22:53:42,845 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2021-06-13 22:53:45,396 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-06-13 22:53:45,639 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2021-06-13 22:53:46,083 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2021-06-13 22:53:46,522 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2021-06-13 22:53:47,178 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2021-06-13 22:53:48,589 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2021-06-13 22:53:48,955 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-13 22:53:49,236 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-06-13 22:53:49,508 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-13 22:53:49,767 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-06-13 22:53:50,087 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2021-06-13 22:53:50,535 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-06-13 22:53:50,811 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 22:53:51,169 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-06-13 22:53:51,742 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-13 22:53:52,018 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-06-13 22:53:52,571 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2021-06-13 22:53:53,079 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2021-06-13 22:53:53,344 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-13 22:53:53,751 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 109 [2021-06-13 22:53:54,118 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-06-13 22:53:54,434 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-13 22:53:54,983 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-13 22:53:55,568 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-13 22:53:56,147 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2021-06-13 22:53:56,491 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2021-06-13 22:53:56,828 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2021-06-13 22:54:00,516 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-06-13 22:54:02,293 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2021-06-13 22:54:05,269 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-13 22:54:05,760 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2021-06-13 22:54:06,422 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2021-06-13 22:54:09,067 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 22:54:09,460 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-06-13 22:54:13,046 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 101 [2021-06-13 22:54:16,915 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-06-13 22:54:30,136 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2021-06-13 22:54:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:54:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:54:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:54:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:54:34,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:54:34,604 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:54:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:54:34,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1017224564, now seen corresponding path program 15 times [2021-06-13 22:54:34,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:54:34,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511410476] [2021-06-13 22:54:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:54:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:54:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 76 proven. 817 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 22:54:37,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:54:37,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511410476] [2021-06-13 22:54:37,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511410476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:54:37,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170737340] [2021-06-13 22:54:37,817 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:54:37,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-06-13 22:54:37,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:54:37,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 188 conjunts are in the unsatisfiable core [2021-06-13 22:54:37,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:54:53,630 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-13 22:54:53,654 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-06-13 22:54:53,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 235 treesize of output 139 [2021-06-13 22:54:53,658 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:54:53,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:54:53,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:54:53,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:301, output treesize:147 [2021-06-13 22:54:54,655 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-06-13 22:54:54,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 146 treesize of output 54 [2021-06-13 22:54:54,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:54:54,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:54:54,665 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 22:54:54,665 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:151, output treesize:12 [2021-06-13 22:54:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 2 proven. 909 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:54:55,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170737340] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:54:55,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:54:55,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 88] total 155 [2021-06-13 22:54:55,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552936935] [2021-06-13 22:54:55,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 155 states [2021-06-13 22:54:55,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:54:55,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2021-06-13 22:54:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=826, Invalid=23044, Unknown=0, NotChecked=0, Total=23870 [2021-06-13 22:54:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:54:55,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:54:55,216 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 155 states, 155 states have (on average 1.9161290322580644) internal successors, (297), 155 states have internal predecessors, (297), 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 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:54:55,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:55:08,508 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-06-13 22:55:09,057 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-06-13 22:55:09,525 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2021-06-13 22:55:10,231 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-13 22:55:11,765 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-06-13 22:55:12,165 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-06-13 22:55:12,600 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-06-13 22:55:13,313 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2021-06-13 22:55:14,736 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2021-06-13 22:55:15,065 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2021-06-13 22:55:15,359 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-13 22:55:15,627 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 105 [2021-06-13 22:55:15,988 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 99 [2021-06-13 22:55:16,511 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-06-13 22:55:16,931 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 103 [2021-06-13 22:55:17,788 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-06-13 22:55:18,635 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-06-13 22:55:19,272 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 107 [2021-06-13 22:55:19,866 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2021-06-13 22:55:20,173 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 112 [2021-06-13 22:55:20,627 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 111 [2021-06-13 22:55:21,134 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2021-06-13 22:55:21,788 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-13 22:55:22,420 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-13 22:55:22,844 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2021-06-13 22:55:23,145 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-06-13 22:55:23,517 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-06-13 22:55:23,873 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2021-06-13 22:55:24,186 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 120 [2021-06-13 22:55:24,673 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2021-06-13 22:55:25,374 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2021-06-13 22:55:26,355 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2021-06-13 22:55:28,453 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-06-13 22:55:28,997 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2021-06-13 22:55:29,380 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-06-13 22:55:29,738 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2021-06-13 22:55:30,309 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 118 [2021-06-13 22:55:30,612 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2021-06-13 22:55:31,085 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 123 [2021-06-13 22:55:31,686 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 123 [2021-06-13 22:55:32,260 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-06-13 22:55:36,437 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 119 [2021-06-13 22:55:40,436 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2021-06-13 22:55:44,236 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:56:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:56:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:56:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:56:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2021-06-13 22:56:15,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-13 22:56:15,605 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:56:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:56:15,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1149274398, now seen corresponding path program 16 times [2021-06-13 22:56:15,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:56:15,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396062092] [2021-06-13 22:56:15,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:56:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:56:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 68 proven. 960 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-13 22:56:18,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:56:18,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396062092] [2021-06-13 22:56:18,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396062092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:56:18,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592949250] [2021-06-13 22:56:18,610 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:56:18,731 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:56:18,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:56:18,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 188 conjunts are in the unsatisfiable core [2021-06-13 22:56:18,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:56:36,349 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-13 22:56:36,736 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-06-13 22:56:36,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 251 treesize of output 151 [2021-06-13 22:56:36,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:56:36,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:56:36,770 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 22:56:36,770 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:322, output treesize:159 [2021-06-13 22:56:37,480 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-06-13 22:56:37,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-06-13 22:56:37,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:56:37,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:56:37,487 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 22:56:37,487 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-06-13 22:56:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 33 proven. 1016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:56:37,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592949250] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:56:37,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:56:37,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 90] total 160 [2021-06-13 22:56:37,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478692617] [2021-06-13 22:56:37,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 160 states [2021-06-13 22:56:37,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:56:37,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2021-06-13 22:56:37,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=842, Invalid=24598, Unknown=0, NotChecked=0, Total=25440 [2021-06-13 22:56:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:56:37,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:56:37,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 160 states, 160 states have (on average 1.89375) internal successors, (303), 160 states have internal predecessors, (303), 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 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2021-06-13 22:56:37,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:56:47,579 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-13 22:56:47,826 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2021-06-13 22:56:48,150 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2021-06-13 22:56:48,586 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-13 22:56:49,732 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2021-06-13 22:56:50,219 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-06-13 22:56:51,898 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-13 22:56:52,273 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-06-13 22:56:52,639 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2021-06-13 22:56:53,027 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-06-13 22:56:53,605 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2021-06-13 22:56:54,833 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2021-06-13 22:56:55,117 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2021-06-13 22:56:55,391 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-13 22:56:55,725 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2021-06-13 22:56:56,160 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2021-06-13 22:56:56,715 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-06-13 22:56:57,116 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2021-06-13 22:56:58,494 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2021-06-13 22:56:59,073 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2021-06-13 22:56:59,641 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-06-13 22:56:59,913 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2021-06-13 22:57:00,388 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2021-06-13 22:57:00,803 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2021-06-13 22:57:01,400 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-06-13 22:57:01,863 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-06-13 22:57:02,226 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 109 [2021-06-13 22:57:02,510 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2021-06-13 22:57:02,875 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2021-06-13 22:57:03,215 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2021-06-13 22:57:03,520 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2021-06-13 22:57:03,912 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2021-06-13 22:57:04,396 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 120 [2021-06-13 22:57:04,775 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-06-13 22:57:05,299 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2021-06-13 22:57:05,834 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2021-06-13 22:57:06,306 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-13 22:57:06,800 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2021-06-13 22:57:07,243 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2021-06-13 22:57:07,769 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2021-06-13 22:57:08,132 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-06-13 22:57:08,463 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-06-13 22:57:08,809 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-06-13 22:57:09,115 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-06-13 22:57:09,456 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2021-06-13 22:57:09,740 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-06-13 22:57:10,073 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-13 22:57:10,404 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-13 22:57:10,735 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2021-06-13 22:57:11,091 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 126 [2021-06-13 22:57:11,577 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 125 [2021-06-13 22:57:11,906 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-06-13 22:57:12,309 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2021-06-13 22:57:12,963 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-13 22:57:13,404 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2021-06-13 22:57:13,693 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-13 22:57:14,270 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 126 [2021-06-13 22:57:14,559 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-13 22:57:15,019 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2021-06-13 22:57:15,429 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2021-06-13 22:57:15,885 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2021-06-13 22:57:16,265 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-06-13 22:57:16,627 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-06-13 22:57:17,207 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-06-13 22:57:17,698 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2021-06-13 22:57:21,917 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2021-06-13 22:57:22,339 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-06-13 22:57:22,946 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2021-06-13 22:57:23,364 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-06-13 22:57:23,850 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2021-06-13 22:57:24,227 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2021-06-13 22:57:24,673 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2021-06-13 22:57:25,401 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2021-06-13 22:57:28,245 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2021-06-13 22:57:28,809 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2021-06-13 22:57:30,289 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-13 22:57:30,907 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-06-13 22:57:31,549 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2021-06-13 22:57:31,979 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2021-06-13 22:57:34,397 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-06-13 22:57:34,705 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2021-06-13 22:57:35,785 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2021-06-13 22:57:36,551 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2021-06-13 22:57:39,532 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2021-06-13 22:57:40,436 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2021-06-13 22:57:40,794 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2021-06-13 22:57:41,235 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2021-06-13 22:57:41,676 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 116 [2021-06-13 22:57:42,731 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-06-13 22:57:43,053 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2021-06-13 22:57:43,462 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2021-06-13 22:57:43,804 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2021-06-13 22:57:44,167 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2021-06-13 22:57:44,552 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2021-06-13 22:57:45,133 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2021-06-13 22:57:45,713 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2021-06-13 22:57:46,159 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-06-13 22:57:46,607 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2021-06-13 22:57:46,984 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 122 [2021-06-13 22:57:47,419 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2021-06-13 22:57:47,877 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2021-06-13 22:57:48,568 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2021-06-13 22:57:49,770 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-06-13 22:57:50,066 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2021-06-13 22:57:50,558 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2021-06-13 22:57:50,904 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-06-13 22:57:51,183 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2021-06-13 22:57:51,486 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-13 22:57:51,802 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-13 22:57:52,818 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2021-06-13 22:57:53,818 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 124 [2021-06-13 22:58:05,249 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:58:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2021-06-13 22:58:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2021-06-13 22:58:20,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:58:20,612 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:58:20,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:58:20,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1889068654, now seen corresponding path program 17 times [2021-06-13 22:58:20,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:58:20,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95504401] [2021-06-13 22:58:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:58:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:58:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 46 proven. 1127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-13 22:58:24,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:58:24,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95504401] [2021-06-13 22:58:24,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95504401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:58:24,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861062487] [2021-06-13 22:58:24,962 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:58:25,057 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2021-06-13 22:58:25,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:58:25,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 203 conjunts are in the unsatisfiable core [2021-06-13 22:58:25,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:58:41,855 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-06-13 22:58:44,176 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-13 22:58:44,722 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-13 22:58:45,233 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-13 22:58:45,805 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-13 22:58:46,398 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-13 22:58:46,973 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-13 22:58:47,552 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-13 22:58:47,580 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-06-13 22:58:47,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2021-06-13 22:58:47,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:58:47,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:58:47,631 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 22:58:47,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:345, output treesize:169 [2021-06-13 22:58:48,323 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-06-13 22:58:48,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 170 treesize of output 62 [2021-06-13 22:58:48,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:58:48,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:58:48,333 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 22:58:48,333 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:10 [2021-06-13 22:58:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 16 proven. 1181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:58:48,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861062487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:58:48,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:58:48,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 96] total 169 [2021-06-13 22:58:48,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284642] [2021-06-13 22:58:48,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 169 states [2021-06-13 22:58:48,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:58:48,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2021-06-13 22:58:48,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=859, Invalid=27533, Unknown=0, NotChecked=0, Total=28392 [2021-06-13 22:58:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:58:48,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:58:48,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 169 states, 169 states have (on average 1.8875739644970415) internal successors, (319), 169 states have internal predecessors, (319), 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 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2021-06-13 22:58:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-06-13 22:58:48,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2021-06-13 22:58:48,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2021-06-13 22:58:48,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:59:01,477 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2021-06-13 22:59:02,043 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2021-06-13 22:59:02,514 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2021-06-13 22:59:03,214 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-06-13 22:59:04,986 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-06-13 22:59:05,476 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-06-13 22:59:05,902 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-06-13 22:59:06,553 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2021-06-13 22:59:07,931 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-06-13 22:59:08,242 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2021-06-13 22:59:08,533 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2021-06-13 22:59:08,809 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2021-06-13 22:59:09,180 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2021-06-13 22:59:09,645 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-06-13 22:59:09,979 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2021-06-13 22:59:11,537 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2021-06-13 22:59:12,308 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2021-06-13 22:59:13,188 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 110 [2021-06-13 22:59:13,567 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-13 22:59:14,189 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2021-06-13 22:59:14,671 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2021-06-13 22:59:16,939 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2021-06-13 22:59:17,274 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2021-06-13 22:59:17,840 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 125 [2021-06-13 22:59:18,388 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2021-06-13 22:59:18,878 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2021-06-13 22:59:19,288 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 130 [2021-06-13 22:59:19,781 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2021-06-13 22:59:20,507 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2021-06-13 22:59:21,057 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2021-06-13 22:59:21,568 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2021-06-13 22:59:21,877 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-13 22:59:22,345 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-06-13 22:59:22,806 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2021-06-13 22:59:23,276 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-06-13 22:59:23,704 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-13 22:59:24,064 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 123 [2021-06-13 22:59:24,408 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2021-06-13 22:59:24,801 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2021-06-13 22:59:25,279 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2021-06-13 22:59:25,659 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 Received shutdown request... [2021-06-13 22:59:26,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-13 22:59:26,020 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 22:59:26,054 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 22:59:26,055 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 22:59:26,055 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 10:59:26 BasicIcfg [2021-06-13 22:59:26,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 22:59:26,055 INFO L168 Benchmark]: Toolchain (without parser) took 662473.07 ms. Allocated memory was 181.4 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 161.7 MB in the beginning and 719.4 MB in the end (delta: -557.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-06-13 22:59:26,055 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 181.4 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 22:59:26,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 181.4 MB. Free memory was 161.7 MB in the beginning and 160.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:59:26,056 INFO L168 Benchmark]: Boogie Preprocessor took 20.33 ms. Allocated memory is still 181.4 MB. Free memory was 160.2 MB in the beginning and 159.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:59:26,056 INFO L168 Benchmark]: RCFGBuilder took 393.88 ms. Allocated memory is still 181.4 MB. Free memory was 159.1 MB in the beginning and 143.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-13 22:59:26,056 INFO L168 Benchmark]: TraceAbstraction took 662023.92 ms. Allocated memory was 181.4 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 143.3 MB in the beginning and 719.4 MB in the end (delta: -576.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-06-13 22:59:26,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 181.4 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 181.4 MB. Free memory was 161.7 MB in the beginning and 160.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.33 ms. Allocated memory is still 181.4 MB. Free memory was 160.2 MB in the beginning and 159.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.88 ms. Allocated memory is still 181.4 MB. Free memory was 159.1 MB in the beginning and 143.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 662023.92 ms. Allocated memory was 181.4 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 143.3 MB in the beginning and 719.4 MB in the end (delta: -576.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2620531, positive: 2411029, positive conditional: 2411029, positive unconditional: 0, negative: 209502, negative conditional: 209502, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2448776, positive: 2411029, positive conditional: 2411029, positive unconditional: 0, negative: 37747, negative conditional: 37747, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2448776, positive: 2407997, positive conditional: 0, positive unconditional: 2407997, negative: 40779, negative conditional: 0, negative unconditional: 40779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 262, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 262, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2448776, positive: 2407746, positive conditional: 0, positive unconditional: 2407746, negative: 40768, negative conditional: 0, negative unconditional: 40768, unknown: 262, unknown conditional: 0, unknown unconditional: 262] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985, SemanticConditionEliminator.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499318, positive: 3032, positive conditional: 3032, positive unconditional: 0, negative: 496286, negative conditional: 54301, negative unconditional: 441985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 987, positive: 114, positive conditional: 112, positive unconditional: 2, negative: 873, negative conditional: 862, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1886, positive: 211, positive conditional: 171, positive unconditional: 41, negative: 1674, negative conditional: 1648, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499318, positive: 2920, positive conditional: 2920, positive unconditional: 0, negative: 495424, negative conditional: 53439, negative unconditional: 441985, unknown: 974, unknown conditional: 974, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1236, Positive cache size: 363, Positive conditional cache size: 112, Positive unconditional cache size: 251, Negative cache size: 873, Negative conditional cache size: 862, Negative unconditional cache size: 11, Eliminated conditions: 441985 ], Maximal queried relation: 17, Independence queries for same thread: 171755 - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 302 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 661895.9ms, OverallIterations: 17, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 522299.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3136, 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: 180.7ms SsaConstructionTime, 1395.9ms SatisfiabilityAnalysisTime, 134005.9ms InterpolantComputationTime, 3259 NumberOfCodeBlocks, 3259 NumberOfCodeBlocksAsserted, 132 NumberOfCheckSat, 3226 ConstructedInterpolants, 7 QuantifiedInterpolants, 193402 SizeOfPredicates, 301 NumberOfNonLiveVariables, 4416 ConjunctsInSsa, 1569 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 848/12713 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