/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 21:18:48,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 21:18:48,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 21:18:48,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 21:18:48,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 21:18:48,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 21:18:48,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 21:18:48,814 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-Sleep-NoLbe-Delay.epf [2021-02-19 21:18:48,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 21:18:48,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 21:18:48,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 21:18:48,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 21:18:48,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 21:18:48,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 21:18:48,853 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 21:18:48,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 21:18:48,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 21:18:48,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 21:18:48,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 21:18:48,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 21:18:48,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 21:18:48,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 21:18:48,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 21:18:48,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 21:18:48,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 21:18:48,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 21:18:48,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 21:18:48,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 21:18:48,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 21:18:48,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 21:18:48,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 21:18:48,858 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 21:18:48,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 21:18:48,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 21:18:48,858 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 21:18:48,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 21:18:49,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 21:18:49,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 21:18:49,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 21:18:49,217 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 21:18:49,218 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 21:18:49,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-trans.wvr.bpl [2021-02-19 21:18:49,219 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-trans.wvr.bpl' [2021-02-19 21:18:49,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 21:18:49,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 21:18:49,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 21:18:49,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 21:18:49,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 21:18:49,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 21:18:49,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 21:18:49,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 21:18:49,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 21:18:49,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... [2021-02-19 21:18:49,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 21:18:49,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 21:18:49,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 21:18:49,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 21:18:49,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 21:18:49,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 21:18:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 21:18:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 21:18:49,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 21:18:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 21:18:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 21:18:49,419 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 21:18:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 21:18:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 21:18:49,419 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 21:18:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 21:18:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 21:18:49,421 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 21:18:49,836 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 21:18:49,836 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-19 21:18:49,838 INFO L202 PluginConnector]: Adding new model name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:18:49 BoogieIcfgContainer [2021-02-19 21:18:49,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 21:18:49,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 21:18:49,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 21:18:49,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 21:18:49,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:18:49" (1/2) ... [2021-02-19 21:18:49,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d332c6 and model type name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:18:49, skipping insertion in model container [2021-02-19 21:18:49,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:18:49" (2/2) ... [2021-02-19 21:18:49,850 INFO L111 eAbstractionObserver]: Analyzing ICFG name-comparator-trans.wvr.bpl [2021-02-19 21:18:49,856 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 21:18:49,856 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 21:18:49,860 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 21:18:49,861 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 21:18:49,947 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 21:18:49,961 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-02-19 21:18:49,996 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 21:18:49,996 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 21:18:49,996 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 21:18:49,996 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 21:18:49,996 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 21:18:49,997 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 21:18:49,997 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 21:18:49,997 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 21:18:50,025 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:50,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:50,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1534215286, now seen corresponding path program 1 times [2021-02-19 21:18:50,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:50,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756111315] [2021-02-19 21:18:50,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:50,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756111315] [2021-02-19 21:18:50,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:18:50,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 21:18:50,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819717945] [2021-02-19 21:18:50,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 21:18:50,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:50,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 21:18:50,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 21:18:50,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:50,196 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:50,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-02-19 21:18:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:50,240 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:50,281 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:50,291 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:50,310 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:50,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 21:18:50,323 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:50,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:50,324 INFO L82 PathProgramCache]: Analyzing trace with hash -339072648, now seen corresponding path program 1 times [2021-02-19 21:18:50,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:50,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29820546] [2021-02-19 21:18:50,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 21:18:50,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29820546] [2021-02-19 21:18:50,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:18:50,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 21:18:50,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805739555] [2021-02-19 21:18:50,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 21:18:50,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:50,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 21:18:50,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 21:18:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:50,400 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:50,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:18:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:50,428 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:50,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:50,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 21:18:50,487 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:50,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:50,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1094874898, now seen corresponding path program 1 times [2021-02-19 21:18:50,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:50,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66167761] [2021-02-19 21:18:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:50,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66167761] [2021-02-19 21:18:50,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555645767] [2021-02-19 21:18:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:50,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2021-02-19 21:18:50,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:18:51,223 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 18 treesize of output 12 [2021-02-19 21:18:51,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,231 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 18 treesize of output 12 [2021-02-19 21:18:51,233 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,238 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 18 treesize of output 12 [2021-02-19 21:18:51,240 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,245 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 18 treesize of output 12 [2021-02-19 21:18:51,247 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,251 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 [2021-02-19 21:18:51,253 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,257 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 12 treesize of output 8 [2021-02-19 21:18:51,258 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,262 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 19 treesize of output 13 [2021-02-19 21:18:51,264 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:18:51,268 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,272 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 17 treesize of output 11 [2021-02-19 21:18:51,274 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,277 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 19 treesize of output 13 [2021-02-19 21:18:51,279 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,283 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 19 treesize of output 13 [2021-02-19 21:18:51,285 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:51,358 INFO L628 ElimStorePlain]: treesize reduction 99, result has 40.4 percent of original size [2021-02-19 21:18:51,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-02-19 21:18:51,360 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:351, output treesize:67 [2021-02-19 21:18:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:51,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:18:51,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-02-19 21:18:51,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138461568] [2021-02-19 21:18:51,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-19 21:18:51,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:51,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-19 21:18:51,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-02-19 21:18:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:51,621 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:51,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 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) [2021-02-19 21:18:51,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:51,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:51,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:51,719 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:51,769 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:51,797 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:51,846 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,065 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-02-19 21:18:52,066 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,099 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,267 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-02-19 21:18:52,276 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,533 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2021-02-19 21:18:52,696 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-02-19 21:18:52,710 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,723 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,733 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,742 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:52,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:52,966 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:52,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1245059128, now seen corresponding path program 2 times [2021-02-19 21:18:52,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:52,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156759853] [2021-02-19 21:18:52,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:53,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156759853] [2021-02-19 21:18:53,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509200402] [2021-02-19 21:18:53,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:53,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:18:53,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:18:53,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjunts are in the unsatisfiable core [2021-02-19 21:18:53,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:18:53,272 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 12 treesize of output 8 [2021-02-19 21:18:53,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:53,281 INFO L628 ElimStorePlain]: treesize reduction 3, result has 66.7 percent of original size [2021-02-19 21:18:53,282 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:18:53,282 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:6 [2021-02-19 21:18:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:53,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:18:53,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-02-19 21:18:53,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456095347] [2021-02-19 21:18:53,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-19 21:18:53,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:53,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-19 21:18:53,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-02-19 21:18:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:53,342 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:53,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:18:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:53,417 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,500 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,702 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,720 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,782 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,796 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,818 WARN L313 ript$VariableManager]: TermVariabe v_break_11_58 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,892 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,904 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:54,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-02-19 21:18:54,139 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:54,139 INFO L82 PathProgramCache]: Analyzing trace with hash -31318280, now seen corresponding path program 1 times [2021-02-19 21:18:54,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:54,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829396974] [2021-02-19 21:18:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 21:18:54,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829396974] [2021-02-19 21:18:54,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354700337] [2021-02-19 21:18:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:54,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-19 21:18:54,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:18:54,332 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 13 treesize of output 9 [2021-02-19 21:18:54,334 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:54,336 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 12 treesize of output 8 [2021-02-19 21:18:54,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:54,340 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 13 treesize of output 9 [2021-02-19 21:18:54,342 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:54,362 INFO L628 ElimStorePlain]: treesize reduction 10, result has 64.3 percent of original size [2021-02-19 21:18:54,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:18:54,363 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:59, output treesize:18 [2021-02-19 21:18:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 21:18:54,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:18:54,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 21:18:54,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876230219] [2021-02-19 21:18:54,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 21:18:54,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:54,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 21:18:54,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-19 21:18:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:54,410 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:54,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-02-19 21:18:54,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:54,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:54,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:54,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:54,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:54,462 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:54,490 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:54,553 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:54,598 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:54,605 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:54,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:54,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:54,849 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:54,850 INFO L82 PathProgramCache]: Analyzing trace with hash -944312264, now seen corresponding path program 2 times [2021-02-19 21:18:54,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:54,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564094767] [2021-02-19 21:18:54,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 21:18:54,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564094767] [2021-02-19 21:18:54,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780844427] [2021-02-19 21:18:54,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:54,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:18:54,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:18:54,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-19 21:18:54,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:18:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:55,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:18:55,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2021-02-19 21:18:55,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762861281] [2021-02-19 21:18:55,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-19 21:18:55,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:55,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-19 21:18:55,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-02-19 21:18:55,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:55,302 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:55,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 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) [2021-02-19 21:18:55,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:55,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:55,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:55,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:55,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:55,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:55,354 WARN L313 ript$VariableManager]: TermVariabe v_break_7_56 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:55,405 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:55,744 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:55,792 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:55,817 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,018 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,067 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,087 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,565 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,661 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,833 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,855 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,909 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,939 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:56,945 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,032 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,110 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,125 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,139 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,152 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,160 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,240 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,269 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 21:18:57,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-02-19 21:18:57,501 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:57,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:57,502 INFO L82 PathProgramCache]: Analyzing trace with hash 680932188, now seen corresponding path program 3 times [2021-02-19 21:18:57,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:57,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9623403] [2021-02-19 21:18:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:57,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9623403] [2021-02-19 21:18:57,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550632752] [2021-02-19 21:18:57,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:57,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-02-19 21:18:57,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:18:57,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjunts are in the unsatisfiable core [2021-02-19 21:18:57,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:18:57,693 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 12 treesize of output 8 [2021-02-19 21:18:57,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:57,696 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 13 treesize of output 9 [2021-02-19 21:18:57,698 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:57,714 INFO L628 ElimStorePlain]: treesize reduction 1, result has 93.8 percent of original size [2021-02-19 21:18:57,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:18:57,716 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:15 [2021-02-19 21:18:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:57,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:18:57,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-02-19 21:18:57,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797192220] [2021-02-19 21:18:57,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-19 21:18:57,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:57,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-19 21:18:57,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-02-19 21:18:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:57,770 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:57,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:18:57,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:57,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:57,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:57,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:57,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:57,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 21:18:57,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:57,833 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:57,885 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:58,013 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:58,107 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:58,116 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:58,448 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:58,454 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 21:18:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:58,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:58,671 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:18:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:18:58,671 INFO L82 PathProgramCache]: Analyzing trace with hash 460503946, now seen corresponding path program 4 times [2021-02-19 21:18:58,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:18:58,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592053927] [2021-02-19 21:18:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:18:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:18:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:58,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592053927] [2021-02-19 21:18:58,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573737412] [2021-02-19 21:18:58,826 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:58,869 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:18:58,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:18:58,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-19 21:18:58,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:18:59,363 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_2, v_prenex_3], 1=[nondet_0]} [2021-02-19 21:18:59,369 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 13 treesize of output 9 [2021-02-19 21:18:59,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:59,373 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 5 treesize of output 3 [2021-02-19 21:18:59,374 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:59,377 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 13 treesize of output 9 [2021-02-19 21:18:59,378 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:59,446 INFO L628 ElimStorePlain]: treesize reduction 111, result has 40.3 percent of original size [2021-02-19 21:18:59,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-02-19 21:18:59,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:18:59,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:18:59,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-02-19 21:18:59,453 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:59,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:18:59,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-02-19 21:18:59,458 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:18:59,523 INFO L628 ElimStorePlain]: treesize reduction 1, result has 98.2 percent of original size [2021-02-19 21:18:59,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-02-19 21:18:59,525 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:215, output treesize:43 [2021-02-19 21:18:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:18:59,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:18:59,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-02-19 21:18:59,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269203829] [2021-02-19 21:18:59,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-19 21:18:59,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:18:59,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-19 21:18:59,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-02-19 21:18:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:59,626 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:18:59,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:18:59,712 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:18:59,872 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,100 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,259 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2021-02-19 21:19:00,299 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,452 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2021-02-19 21:19:00,485 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,669 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,768 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,778 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,803 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,809 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:00,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:01,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-02-19 21:19:01,026 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:01,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:01,026 INFO L82 PathProgramCache]: Analyzing trace with hash -2077804260, now seen corresponding path program 5 times [2021-02-19 21:19:01,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:01,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451947280] [2021-02-19 21:19:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:01,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451947280] [2021-02-19 21:19:01,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547930338] [2021-02-19 21:19:01,201 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:01,255 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-02-19 21:19:01,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core [2021-02-19 21:19:01,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:01,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:01,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:01,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:01,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-02-19 21:19:01,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:01,603 INFO L628 ElimStorePlain]: treesize reduction 21, result has 38.2 percent of original size [2021-02-19 21:19:01,603 INFO L518 ElimStorePlain]: Eliminatee nondet_0 vanished before elimination [2021-02-19 21:19:01,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:19:01,605 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:54, output treesize:6 [2021-02-19 21:19:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:01,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:01,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 19 [2021-02-19 21:19:01,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965826167] [2021-02-19 21:19:01,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-19 21:19:01,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:01,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-19 21:19:01,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-02-19 21:19:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:01,672 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:01,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-02-19 21:19:01,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:01,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:01,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:01,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:01,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:01,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:01,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:01,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:01,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:02,321 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:02,585 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:02,695 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:02,847 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:02,859 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:03,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-02-19 21:19:03,098 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:03,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:03,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1239640092, now seen corresponding path program 3 times [2021-02-19 21:19:03,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:03,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430095100] [2021-02-19 21:19:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 21:19:03,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430095100] [2021-02-19 21:19:03,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616879602] [2021-02-19 21:19:03,272 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 [2021-02-19 21:19:03,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-02-19 21:19:03,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:03,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-19 21:19:03,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:03,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:03,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:03,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-02-19 21:19:03,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:03,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-02-19 21:19:03,815 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:03,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:03,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2021-02-19 21:19:03,820 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:03,858 INFO L628 ElimStorePlain]: treesize reduction 1, result has 97.1 percent of original size [2021-02-19 21:19:03,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:19:03,860 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:101, output treesize:22 [2021-02-19 21:19:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 21:19:03,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:03,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-02-19 21:19:03,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666384520] [2021-02-19 21:19:03,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 21:19:03,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:03,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 21:19:03,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-02-19 21:19:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:03,938 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:03,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 20 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) [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:04,736 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-02-19 21:19:04,857 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,101 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,215 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,223 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,562 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,692 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,856 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,866 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:19:06,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:06,120 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:06,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:06,120 INFO L82 PathProgramCache]: Analyzing trace with hash -199308396, now seen corresponding path program 4 times [2021-02-19 21:19:06,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:06,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257438046] [2021-02-19 21:19:06,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 21:19:06,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257438046] [2021-02-19 21:19:06,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535194167] [2021-02-19 21:19:06,233 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 [2021-02-19 21:19:06,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:19:06,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:06,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-19 21:19:06,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:06,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:06,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 19 [2021-02-19 21:19:06,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513693525] [2021-02-19 21:19:06,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-19 21:19:06,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:06,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-19 21:19:06,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-02-19 21:19:06,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:06,726 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:06,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 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) [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:19:06,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:07,901 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:08,056 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2021-02-19 21:19:08,186 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2021-02-19 21:19:08,187 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:08,318 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:08,452 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:08,988 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:09,206 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:09,298 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:09,396 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:09,686 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:09,874 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:09,952 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,044 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,217 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,327 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,339 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,354 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,360 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,507 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,525 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,533 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,704 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,780 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,793 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:10,935 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2021-02-19 21:19:11,032 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,038 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,255 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,393 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,406 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,639 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,645 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,651 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,887 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,894 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,964 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,971 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,978 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:11,984 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:12,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:12,320 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:12,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:12,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1909097080, now seen corresponding path program 6 times [2021-02-19 21:19:12,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:12,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940772923] [2021-02-19 21:19:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:12,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940772923] [2021-02-19 21:19:12,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786617390] [2021-02-19 21:19:12,408 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 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 [2021-02-19 21:19:12,441 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-02-19 21:19:12,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:12,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core [2021-02-19 21:19:12,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:12,553 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 12 treesize of output 8 [2021-02-19 21:19:12,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:12,557 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 13 treesize of output 9 [2021-02-19 21:19:12,558 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:12,576 INFO L628 ElimStorePlain]: treesize reduction 1, result has 93.8 percent of original size [2021-02-19 21:19:12,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:19:12,577 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:15 [2021-02-19 21:19:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:12,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:12,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2021-02-19 21:19:12,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951345763] [2021-02-19 21:19:12,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 21:19:12,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:12,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 21:19:12,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2021-02-19 21:19:12,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:12,665 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:12,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 17 states have internal predecessors, (38), 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) [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:12,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:12,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:12,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:12,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:12,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:12,753 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:12,852 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:12,913 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:13,058 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:13,132 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:13,220 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:13,230 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:13,261 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:13,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-02-19 21:19:13,480 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:13,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:13,481 INFO L82 PathProgramCache]: Analyzing trace with hash -121090066, now seen corresponding path program 7 times [2021-02-19 21:19:13,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:13,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874420288] [2021-02-19 21:19:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:13,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874420288] [2021-02-19 21:19:13,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666703350] [2021-02-19 21:19:13,769 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 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 [2021-02-19 21:19:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:13,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-19 21:19:13,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:14,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-02-19 21:19:14,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-02-19 21:19:14,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-02-19 21:19:14,428 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 21:19:14,433 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,580 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-02-19 21:19:14,580 INFO L628 ElimStorePlain]: treesize reduction 249, result has 37.0 percent of original size [2021-02-19 21:19:14,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-02-19 21:19:14,586 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:19:14,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-02-19 21:19:14,591 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,698 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-02-19 21:19:14,699 INFO L628 ElimStorePlain]: treesize reduction 1, result has 99.2 percent of original size [2021-02-19 21:19:14,702 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 12 treesize of output 8 [2021-02-19 21:19:14,703 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:14,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:19:14,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-02-19 21:19:14,755 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:458, output treesize:81 [2021-02-19 21:19:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:15,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:15,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2021-02-19 21:19:15,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706575229] [2021-02-19 21:19:15,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 21:19:15,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:15,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 21:19:15,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-02-19 21:19:15,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:15,019 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:15,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:15,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:15,141 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:15,240 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:15,437 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:15,656 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-02-19 21:19:15,848 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-02-19 21:19:16,036 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-02-19 21:19:16,073 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:16,319 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-02-19 21:19:16,363 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:16,641 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-02-19 21:19:16,679 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:16,980 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2021-02-19 21:19:17,331 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2021-02-19 21:19:17,657 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2021-02-19 21:19:17,673 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:17,686 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:18,014 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:18,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-02-19 21:19:18,217 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:18,217 INFO L82 PathProgramCache]: Analyzing trace with hash 446304878, now seen corresponding path program 5 times [2021-02-19 21:19:18,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:18,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040035737] [2021-02-19 21:19:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 21:19:18,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040035737] [2021-02-19 21:19:18,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684691285] [2021-02-19 21:19:18,319 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 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 [2021-02-19 21:19:18,368 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-02-19 21:19:18,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:18,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 28 conjunts are in the unsatisfiable core [2021-02-19 21:19:18,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:18,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:18,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-02-19 21:19:18,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172332603] [2021-02-19 21:19:18,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-19 21:19:18,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:18,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-19 21:19:18,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-02-19 21:19:18,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:18,608 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:18,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 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) [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:18,736 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:18,812 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:18,852 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:18,923 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:18,968 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,020 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,028 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,041 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,051 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,057 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,166 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,228 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,264 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,323 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,357 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,400 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,406 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,417 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,425 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,431 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,513 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,562 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,590 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,637 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,663 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,700 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,707 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,713 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,814 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,857 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,886 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,919 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,941 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,953 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,958 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:20,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:20,166 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:20,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:20,166 INFO L82 PathProgramCache]: Analyzing trace with hash 977103746, now seen corresponding path program 6 times [2021-02-19 21:19:20,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:20,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550407161] [2021-02-19 21:19:20,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:20,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550407161] [2021-02-19 21:19:20,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678047378] [2021-02-19 21:19:20,558 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 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 [2021-02-19 21:19:20,602 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-02-19 21:19:20,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:20,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 44 conjunts are in the unsatisfiable core [2021-02-19 21:19:20,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:21,505 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 20 treesize of output 14 [2021-02-19 21:19:21,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,510 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 27 treesize of output 19 [2021-02-19 21:19:21,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,516 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 12 treesize of output 8 [2021-02-19 21:19:21,517 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,522 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 13 treesize of output 9 [2021-02-19 21:19:21,523 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:21,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:21,533 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,537 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 12 treesize of output 8 [2021-02-19 21:19:21,538 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,542 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 12 treesize of output 8 [2021-02-19 21:19:21,543 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:21,548 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:21,552 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:21,556 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,560 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 13 treesize of output 9 [2021-02-19 21:19:21,561 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:19:21,565 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,568 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 5 treesize of output 3 [2021-02-19 21:19:21,569 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 21:19:21,657 INFO L628 ElimStorePlain]: treesize reduction 17, result has 85.1 percent of original size [2021-02-19 21:19:21,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-02-19 21:19:21,658 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 1 variables, input treesize:442, output treesize:97 [2021-02-19 21:19:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:19:21,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:19:21,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-02-19 21:19:21,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088374638] [2021-02-19 21:19:21,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-19 21:19:21,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:21,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-19 21:19:21,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2021-02-19 21:19:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:21,858 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:21,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.5) internal successors, (48), 32 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) [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:21,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:21,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:21,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:21,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:21,988 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:22,098 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:22,277 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:22,764 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:22,933 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:23,112 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2021-02-19 21:19:23,150 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:23,455 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-02-19 21:19:23,764 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-02-19 21:19:24,035 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2021-02-19 21:19:24,036 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:24,436 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-02-19 21:19:24,912 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2021-02-19 21:19:24,913 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:25,564 WARN L202 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2021-02-19 21:19:25,584 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:25,592 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:25,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:25,801 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:25,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:25,802 INFO L82 PathProgramCache]: Analyzing trace with hash 251999470, now seen corresponding path program 7 times [2021-02-19 21:19:25,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:25,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3796513] [2021-02-19 21:19:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-19 21:19:25,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3796513] [2021-02-19 21:19:25,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102654029] [2021-02-19 21:19:25,838 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 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 [2021-02-19 21:19:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:25,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-19 21:19:25,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-02-19 21:19:25,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-19 21:19:25,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 7 [2021-02-19 21:19:25,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689237160] [2021-02-19 21:19:25,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 21:19:25,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:25,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 21:19:25,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-02-19 21:19:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:25,931 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:25,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:25,938 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:25,947 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:25,954 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:25,960 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,108 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,115 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:26,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:26,334 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:26,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:26,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1367617848, now seen corresponding path program 8 times [2021-02-19 21:19:26,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:26,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459839112] [2021-02-19 21:19:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 21:19:26,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459839112] [2021-02-19 21:19:26,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378027979] [2021-02-19 21:19:26,368 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 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 [2021-02-19 21:19:26,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:19:26,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:19:26,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-19 21:19:26,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:19:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 21:19:26,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-19 21:19:26,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-02-19 21:19:26,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612575179] [2021-02-19 21:19:26,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 21:19:26,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:26,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 21:19:26,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 21:19:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:26,447 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:26,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:26,662 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,671 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,684 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,697 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,723 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,732 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:26,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:27,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:19:27,114 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:19:27,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:19:27,114 INFO L82 PathProgramCache]: Analyzing trace with hash 407507804, now seen corresponding path program 9 times [2021-02-19 21:19:27,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:19:27,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693775208] [2021-02-19 21:19:27,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:19:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:19:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 21:19:27,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693775208] [2021-02-19 21:19:27,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:19:27,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 21:19:27,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439971982] [2021-02-19 21:19:27,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 21:19:27,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:19:27,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 21:19:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-02-19 21:19:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:27,146 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:19:27,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-02-19 21:19:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:27,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:19:27,415 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,423 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,552 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,558 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,564 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,637 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,645 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,824 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,830 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,836 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,934 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:27,940 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,349 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,356 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,555 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,661 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,670 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,720 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,725 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,750 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,780 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,786 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,799 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,853 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,899 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,924 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,965 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:28,988 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,018 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,024 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,069 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,096 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,110 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,124 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,145 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,173 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,179 WARN L313 ript$VariableManager]: TermVariabe v_break_15_52 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:19:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:19:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-02-19 21:19:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:19:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 21:19:29,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-02-19 21:19:29,274 INFO L202 PluginConnector]: Adding new model name-comparator-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:19:29 BasicIcfg [2021-02-19 21:19:29,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 21:19:29,275 INFO L168 Benchmark]: Toolchain (without parser) took 40002.23 ms. Allocated memory was 255.9 MB in the beginning and 1.0 GB in the end (delta: 757.1 MB). Free memory was 236.2 MB in the beginning and 482.8 MB in the end (delta: -246.6 MB). Peak memory consumption was 512.3 MB. Max. memory is 16.0 GB. [2021-02-19 21:19:29,275 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 92.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 21:19:29,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.81 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 21:19:29,275 INFO L168 Benchmark]: Boogie Preprocessor took 28.32 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 21:19:29,275 INFO L168 Benchmark]: RCFGBuilder took 499.34 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 216.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. [2021-02-19 21:19:29,275 INFO L168 Benchmark]: TraceAbstraction took 39434.98 ms. Allocated memory was 255.9 MB in the beginning and 1.0 GB in the end (delta: 757.1 MB). Free memory was 216.7 MB in the beginning and 482.8 MB in the end (delta: -266.2 MB). Peak memory consumption was 492.0 MB. Max. memory is 16.0 GB. [2021-02-19 21:19:29,275 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 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 92.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.81 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.32 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 499.34 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 216.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 39434.98 ms. Allocated memory was 255.9 MB in the beginning and 1.0 GB in the end (delta: 757.1 MB). Free memory was 216.7 MB in the beginning and 482.8 MB in the end (delta: -266.2 MB). Peak memory consumption was 492.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 113]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.2s, OverallIterations: 18, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 741 NumberOfCodeBlocks, 740 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 708 ConstructedInterpolants, 45 QuantifiedInterpolants, 184014 SizeOfPredicates, 120 NumberOfNonLiveVariables, 1750 ConjunctsInSsa, 366 ConjunctsInUnsatCore, 33 InterpolantComputations, 5 PerfectInterpolantSequences, 134/329 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 proved your program to be correct! Received shutdown request...