/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-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:40:35,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:40:35,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:40:35,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:40:35,901 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-SemanticLbe-Delay.epf [2021-03-13 00:40:35,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:40:35,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:40:35,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:40:35,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:40:35,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:40:35,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:40:35,932 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:40:35,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:40:35,932 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:40:35,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:40:35,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:40:35,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:40:35,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:40:35,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:40:35,935 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:40:35,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:40:35,935 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:40:35,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:40:36,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:40:36,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:40:36,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:40:36,250 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 00:40:36,251 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 00:40:36,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl [2021-03-13 00:40:36,252 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl' [2021-03-13 00:40:36,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:40:36,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 00:40:36,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:40:36,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:40:36,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:40:36,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:40:36,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:40:36,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:40:36,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:40:36,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/1) ... [2021-03-13 00:40:36,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:40:36,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:40:36,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:40:36,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:40:36,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (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 [2021-03-13 00:40:36,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 00:40:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 00:40:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 00:40:36,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 00:40:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 00:40:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 00:40:36,449 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 00:40:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:40:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:40:36,449 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:40:36,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:40:36,796 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-13 00:40:36,796 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-13 00:40:36,797 INFO L202 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:40:36 BoogieIcfgContainer [2021-03-13 00:40:36,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:40:36,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:40:36,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:40:36,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:40:36,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:40:36" (1/2) ... [2021-03-13 00:40:36,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d2b1a9 and model type unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:40:36, skipping insertion in model container [2021-03-13 00:40:36,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:40:36" (2/2) ... [2021-03-13 00:40:36,803 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.bpl [2021-03-13 00:40:36,806 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:40:36,806 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:40:36,809 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:40:36,810 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:40:36,845 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-13 00:40:36,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:40:36,913 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:40:36,913 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:40:36,913 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:40:36,913 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:40:36,913 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:40:36,914 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:40:36,915 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:40:36,915 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:40:36,922 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:40:36,922 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 16 transitions, 48 flow [2021-03-13 00:40:36,928 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 16 transitions, 48 flow [2021-03-13 00:40:36,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 16 transitions, 48 flow [2021-03-13 00:40:36,950 INFO L129 PetriNetUnfolder]: 2/14 cut-off events. [2021-03-13 00:40:36,950 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-13 00:40:36,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 14 events. 2/14 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2021-03-13 00:40:36,953 INFO L116 LiptonReduction]: Number of co-enabled transitions 22 [2021-03-13 00:40:37,064 INFO L131 LiptonReduction]: Checked pairs total: 22 [2021-03-13 00:40:37,064 INFO L133 LiptonReduction]: Total number of compositions: 4 [2021-03-13 00:40:37,079 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:40:37,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:40:37,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1975683417, now seen corresponding path program 1 times [2021-03-13 00:40:37,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:40:37,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829516227] [2021-03-13 00:40:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:40:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:40:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:37,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829516227] [2021-03-13 00:40:37,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:40:37,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:40:37,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879491876] [2021-03-13 00:40:37,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 00:40:37,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:40:37,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 00:40:37,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-13 00:40:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:37,222 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:40:37,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-03-13 00:40:37,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:37,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:40:37,248 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:40:37,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:40:37,248 INFO L82 PathProgramCache]: Analyzing trace with hash 27696299, now seen corresponding path program 1 times [2021-03-13 00:40:37,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:40:37,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188041005] [2021-03-13 00:40:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:40:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:40:38,362 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 5498 DAG size of output: 55 [2021-03-13 00:40:38,479 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-03-13 00:40:38,979 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 5496 DAG size of output: 12 [2021-03-13 00:40:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:38,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188041005] [2021-03-13 00:40:38,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139365773] [2021-03-13 00:40:38,993 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 [2021-03-13 00:40:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:40:39,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-13 00:40:39,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:40:39,798 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 13 [2021-03-13 00:40:39,857 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 [2021-03-13 00:40:39,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:40:39,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:40:39,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:40:39,860 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-13 00:40:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:39,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:40:39,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-13 00:40:39,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503718693] [2021-03-13 00:40:39,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 00:40:39,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:40:39,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 00:40:39,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-13 00:40:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:39,865 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:40:39,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-03-13 00:40:39,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:39,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:40:40,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:40:40,111 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:40:40,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:40:40,112 INFO L82 PathProgramCache]: Analyzing trace with hash -230362215, now seen corresponding path program 2 times [2021-03-13 00:40:40,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:40:40,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535014946] [2021-03-13 00:40:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:40:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:40:40,529 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 51 [2021-03-13 00:40:41,203 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 5518 DAG size of output: 48 [2021-03-13 00:40:41,827 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 5516 DAG size of output: 13 [2021-03-13 00:40:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:41,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535014946] [2021-03-13 00:40:41,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131951410] [2021-03-13 00:40:41,850 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 [2021-03-13 00:40:41,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:40:41,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:40:41,868 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-13 00:40:41,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:40:42,481 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 15 [2021-03-13 00:40:42,524 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:40:42,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-03-13 00:40:42,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:40:42,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:40:42,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:40:42,530 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-03-13 00:40:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:42,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:40:42,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-13 00:40:42,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477092103] [2021-03-13 00:40:42,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-13 00:40:42,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:40:42,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-13 00:40:42,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-13 00:40:42,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:42,535 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:40:42,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2021-03-13 00:40:42,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:42,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:40:42,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:40:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:40:42,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:40:42,804 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:40:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:40:42,804 INFO L82 PathProgramCache]: Analyzing trace with hash 359758443, now seen corresponding path program 3 times [2021-03-13 00:40:42,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:40:42,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962911612] [2021-03-13 00:40:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:40:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:40:43,188 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2845 DAG size of output: 44 [2021-03-13 00:40:43,824 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 25 [2021-03-13 00:40:44,380 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 5508 DAG size of output: 14 [2021-03-13 00:40:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:44,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962911612] [2021-03-13 00:40:44,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876268209] [2021-03-13 00:40:44,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:40:44,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-13 00:40:44,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:40:44,417 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-13 00:40:44,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:40:45,061 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 16 [2021-03-13 00:40:45,091 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:40:45,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-03-13 00:40:45,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:40:45,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:40:45,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:40:45,136 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-13 00:40:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:45,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:40:45,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-13 00:40:45,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876427961] [2021-03-13 00:40:45,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-13 00:40:45,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:40:45,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-13 00:40:45,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-13 00:40:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:45,142 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:40:45,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:40:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:40:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:40:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:40:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:40:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:40:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:40:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:40:45,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:40:45,419 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:40:45,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:40:45,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1473629657, now seen corresponding path program 4 times [2021-03-13 00:40:45,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:40:45,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013446230] [2021-03-13 00:40:45,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:40:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:40:45,801 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 2844 DAG size of output: 48 [2021-03-13 00:40:46,367 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 14 [2021-03-13 00:40:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:40:46,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013446230] [2021-03-13 00:40:46,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828697290] [2021-03-13 00:40:46,388 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:40:46,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 00:40:46,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:40:46,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-13 00:40:46,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:03,793 WARN L205 SmtUtils]: Spent 17.07 s on a formula simplification. DAG size of input: 24980 DAG size of output: 63 [2021-03-13 00:41:03,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:03,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-03-13 00:41:03,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:41:03,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:03,918 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:41:03,918 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-03-13 00:41:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:03,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:03,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-13 00:41:03,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753476405] [2021-03-13 00:41:03,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-13 00:41:03,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:03,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-13 00:41:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-13 00:41:03,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:03,922 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:03,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 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) [2021-03-13 00:41:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:04,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-03-13 00:41:04,192 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:04,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:04,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1643898923, now seen corresponding path program 5 times [2021-03-13 00:41:04,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:04,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971856440] [2021-03-13 00:41:04,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:04,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971856440] [2021-03-13 00:41:04,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605638180] [2021-03-13 00:41:04,232 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:04,258 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-13 00:41:04,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:41:04,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-13 00:41:04,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:04,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:04,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-13 00:41:04,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221514185] [2021-03-13 00:41:04,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 00:41:04,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:04,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 00:41:04,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-03-13 00:41:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:04,302 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:04,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-03-13 00:41:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:04,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:04,557 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:04,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:04,558 INFO L82 PathProgramCache]: Analyzing trace with hash -584398290, now seen corresponding path program 1 times [2021-03-13 00:41:04,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:04,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792327933] [2021-03-13 00:41:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:04,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792327933] [2021-03-13 00:41:04,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242684579] [2021-03-13 00:41:04,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:04,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-13 00:41:04,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:38,498 WARN L205 SmtUtils]: Spent 33.42 s on a formula simplification. DAG size of input: 26646 DAG size of output: 64 [2021-03-13 00:41:38,592 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:38,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-03-13 00:41:38,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:41:38,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:38,638 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:41:38,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-03-13 00:41:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:38,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:38,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-13 00:41:38,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834607118] [2021-03-13 00:41:38,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-13 00:41:38,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:38,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-13 00:41:38,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-03-13 00:41:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:38,641 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:38,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:38,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-13 00:41:38,963 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:38,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:38,964 INFO L82 PathProgramCache]: Analyzing trace with hash -164390912, now seen corresponding path program 2 times [2021-03-13 00:41:38,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:38,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483157487] [2021-03-13 00:41:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:39,508 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 5553 DAG size of output: 12 [2021-03-13 00:41:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:39,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483157487] [2021-03-13 00:41:39,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782229940] [2021-03-13 00:41:39,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:39,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:41:39,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:41:39,556 WARN L261 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-13 00:41:39,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:39,879 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 19 [2021-03-13 00:41:39,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:39,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-03-13 00:41:40,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:41:40,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:40,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:41:40,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-03-13 00:41:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:40,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:40,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-03-13 00:41:40,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026111400] [2021-03-13 00:41:40,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-13 00:41:40,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:40,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-13 00:41:40,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-03-13 00:41:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:40,087 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:40,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 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) [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:40,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-03-13 00:41:40,396 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:40,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash -29064082, now seen corresponding path program 3 times [2021-03-13 00:41:40,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:40,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086826668] [2021-03-13 00:41:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:41,021 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 5516 DAG size of output: 13 [2021-03-13 00:41:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:41,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086826668] [2021-03-13 00:41:41,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276303247] [2021-03-13 00:41:41,044 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 [2021-03-13 00:41:41,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-13 00:41:41,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:41:41,066 WARN L261 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 44 conjunts are in the unsatisfiable core [2021-03-13 00:41:41,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:41,417 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 20 [2021-03-13 00:41:41,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:41,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-03-13 00:41:41,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:41:41,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:41,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:41:41,725 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-03-13 00:41:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:41,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:41,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-03-13 00:41:41,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831139148] [2021-03-13 00:41:41,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-13 00:41:41,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:41,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-13 00:41:41,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-03-13 00:41:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:41,730 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:41,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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) [2021-03-13 00:41:41,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:41,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:42,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:42,079 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:42,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:42,080 INFO L82 PathProgramCache]: Analyzing trace with hash -128899648, now seen corresponding path program 4 times [2021-03-13 00:41:42,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:42,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9421761] [2021-03-13 00:41:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:43,184 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 5529 DAG size of output: 14 [2021-03-13 00:41:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:43,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9421761] [2021-03-13 00:41:43,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457553242] [2021-03-13 00:41:43,213 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 [2021-03-13 00:41:43,235 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 00:41:43,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:41:43,236 WARN L261 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-13 00:41:43,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:43,657 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 21 [2021-03-13 00:41:43,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:43,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-03-13 00:41:44,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:41:44,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:44,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:41:44,393 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-03-13 00:41:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:44,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:44,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-03-13 00:41:44,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698012698] [2021-03-13 00:41:44,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-13 00:41:44,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:44,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-13 00:41:44,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-03-13 00:41:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:44,398 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:44,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 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) [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:44,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:44,767 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:44,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1071165102, now seen corresponding path program 5 times [2021-03-13 00:41:44,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:44,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516612782] [2021-03-13 00:41:44,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:45,411 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 14 [2021-03-13 00:41:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:45,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516612782] [2021-03-13 00:41:45,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738062697] [2021-03-13 00:41:45,437 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:45,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-13 00:41:45,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:41:45,476 WARN L261 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-13 00:41:45,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:41:47,918 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 2982 DAG size of output: 55 [2021-03-13 00:41:48,067 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-13 00:41:48,067 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:48,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-03-13 00:41:49,540 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:41:49,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:41:49,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:41:49,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-03-13 00:41:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:49,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:49,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-03-13 00:41:49,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675066912] [2021-03-13 00:41:49,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-13 00:41:49,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:49,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-13 00:41:49,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-03-13 00:41:49,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:49,545 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:49,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 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) [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:49,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:49,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:49,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable453 [2021-03-13 00:41:49,937 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:49,938 INFO L82 PathProgramCache]: Analyzing trace with hash -381533312, now seen corresponding path program 6 times [2021-03-13 00:41:49,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:49,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487448972] [2021-03-13 00:41:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:50,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487448972] [2021-03-13 00:41:50,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395065747] [2021-03-13 00:41:50,004 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-13 00:41:50,036 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-13 00:41:50,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:41:50,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-13 00:41:50,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 45 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:50,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:41:50,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-03-13 00:41:50,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182106506] [2021-03-13 00:41:50,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 00:41:50,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:41:50,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 00:41:50,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-03-13 00:41:50,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:50,080 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:41:50,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 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) [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:50,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:50,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:50,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:50,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:50,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:41:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:41:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:41:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:41:50,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable977,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:50,391 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:41:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:41:50,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1051711865, now seen corresponding path program 7 times [2021-03-13 00:41:50,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:41:50,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853655615] [2021-03-13 00:41:50,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:41:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:41:50,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853655615] [2021-03-13 00:41:50,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808863602] [2021-03-13 00:41:50,559 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:41:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:41:50,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-13 00:41:50,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:42:07,817 WARN L205 SmtUtils]: Spent 16.71 s on a formula simplification. DAG size of input: 22626 DAG size of output: 62 [2021-03-13 00:42:08,110 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-13 00:42:08,111 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:42:08,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-03-13 00:42:12,028 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-03-13 00:42:12,173 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-13 00:42:12,320 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-13 00:42:12,476 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-03-13 00:42:12,631 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-03-13 00:42:16,448 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-13 00:42:16,626 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-13 00:42:16,801 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-03-13 00:42:16,910 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 701 [2021-03-13 00:42:17,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:42:17,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:42:17,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:42:17,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-03-13 00:42:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:42:17,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:42:17,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-03-13 00:42:17,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028994124] [2021-03-13 00:42:17,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-13 00:42:17,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:42:17,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-13 00:42:17,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-03-13 00:42:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:42:17,436 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:42:17,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 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) [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:42:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:42:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:42:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:42:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:42:17,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable978 [2021-03-13 00:42:17,964 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:42:17,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:42:17,964 INFO L82 PathProgramCache]: Analyzing trace with hash 872907211, now seen corresponding path program 8 times [2021-03-13 00:42:17,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:42:17,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151351502] [2021-03-13 00:42:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:42:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:42:18,635 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 5496 DAG size of output: 12 [2021-03-13 00:42:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:42:18,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151351502] [2021-03-13 00:42:18,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986275831] [2021-03-13 00:42:18,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:42:18,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:42:18,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:42:18,697 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 64 conjunts are in the unsatisfiable core [2021-03-13 00:42:18,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:46:50,202 WARN L205 SmtUtils]: Spent 4.52 m on a formula simplification. DAG size of input: 13686 DAG size of output: 24 [2021-03-13 00:46:50,475 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-03-13 00:46:50,475 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:46:50,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-03-13 00:46:52,389 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 826 DAG size of output: 985 [2021-03-13 00:46:55,803 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 398 [2021-03-13 00:46:55,915 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-03-13 00:46:58,334 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-03-13 00:47:00,326 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-03-13 00:47:00,593 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-03-13 00:47:00,916 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-03-13 00:47:01,280 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-03-13 00:47:01,730 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-03-13 00:47:03,623 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-03-13 00:47:04,222 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-03-13 00:47:06,727 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 515 [2021-03-13 00:47:06,863 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-03-13 00:47:08,756 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-03-13 00:47:09,026 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-03-13 00:47:11,817 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 449 [2021-03-13 00:47:12,210 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-03-13 00:47:12,682 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-03-13 00:47:13,625 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-03-13 00:47:14,196 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-03-13 00:47:14,793 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-03-13 00:47:17,758 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-03-13 00:47:17,914 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-03-13 00:47:18,080 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-03-13 00:47:18,879 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-03-13 00:47:20,270 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-03-13 00:47:21,756 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-03-13 00:47:24,709 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-03-13 00:47:26,443 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-13 00:47:28,186 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-13 00:47:30,042 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-03-13 00:47:32,208 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-03-13 00:47:34,282 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-03-13 00:47:35,504 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-03-13 00:47:37,430 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-03-13 00:47:38,551 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-03-13 00:47:40,522 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-03-13 00:47:41,380 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-03-13 00:47:43,368 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-03-13 00:47:44,568 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-03-13 00:47:44,989 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-03-13 00:47:45,358 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-03-13 00:47:45,724 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-03-13 00:47:45,914 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-03-13 00:47:46,744 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-03-13 00:47:47,030 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-03-13 00:47:48,348 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-03-13 00:47:48,505 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-03-13 00:47:49,963 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-03-13 00:47:50,444 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-03-13 00:47:50,626 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-03-13 00:47:51,249 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-03-13 00:47:51,803 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-03-13 00:47:52,501 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-03-13 00:47:52,731 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-03-13 00:47:52,929 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-03-13 00:47:53,095 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-03-13 00:47:53,226 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-03-13 00:47:54,942 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-03-13 00:47:55,185 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-03-13 00:47:55,547 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-03-13 00:47:55,870 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-03-13 00:47:56,014 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-03-13 00:47:56,149 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-03-13 00:47:57,839 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-03-13 00:47:58,036 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-03-13 00:47:58,236 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-03-13 00:47:58,620 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-03-13 00:47:59,084 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-03-13 00:47:59,891 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-03-13 00:48:00,133 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-03-13 00:48:00,446 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-03-13 00:48:01,394 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-03-13 00:48:03,319 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-03-13 00:48:03,504 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-03-13 00:48:03,802 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-03-13 00:48:03,944 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-03-13 00:48:04,074 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-03-13 00:48:05,481 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-03-13 00:48:05,652 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-03-13 00:48:05,921 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-03-13 00:48:06,221 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-03-13 00:48:06,354 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-03-13 00:48:06,470 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-03-13 00:48:07,832 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-03-13 00:48:08,087 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-03-13 00:48:08,766 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-03-13 00:48:09,483 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-03-13 00:48:10,244 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-03-13 00:48:11,610 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-03-13 00:48:13,495 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 776 [2021-03-13 00:48:13,617 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-03-13 00:48:15,130 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-03-13 00:48:16,408 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-03-13 00:48:17,800 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-03-13 00:48:19,362 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-03-13 00:48:20,256 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-03-13 00:48:21,128 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-03-13 00:48:23,478 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-03-13 00:48:23,649 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-03-13 00:48:24,994 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-03-13 00:48:25,985 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-03-13 00:48:26,448 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-03-13 00:48:27,796 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-03-13 00:48:28,106 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-03-13 00:48:28,417 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-03-13 00:48:28,923 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-03-13 00:48:29,031 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 879 [2021-03-13 00:48:30,223 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-03-13 00:48:30,338 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 878 [2021-03-13 00:48:32,250 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-03-13 00:48:32,396 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-03-13 00:48:32,590 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-03-13 00:48:33,035 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-03-13 00:48:33,434 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-03-13 00:48:33,927 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-03-13 00:48:34,088 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-03-13 00:48:34,227 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-03-13 00:48:34,344 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-03-13 00:48:35,776 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-03-13 00:48:36,460 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-03-13 00:48:36,595 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-03-13 00:48:36,729 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 719 [2021-03-13 00:48:38,106 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-03-13 00:48:38,255 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-03-13 00:48:38,425 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-03-13 00:48:38,762 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-03-13 00:48:39,132 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-03-13 00:48:39,494 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-03-13 00:48:39,798 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-03-13 00:48:40,341 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-03-13 00:48:40,466 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-03-13 00:48:40,576 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-03-13 00:48:42,470 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-03-13 00:48:42,591 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-03-13 00:48:45,003 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-03-13 00:48:45,233 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-03-13 00:48:45,972 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-03-13 00:48:46,632 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-03-13 00:48:47,757 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-03-13 00:48:49,083 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-03-13 00:48:50,506 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-03-13 00:48:51,677 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-03-13 00:48:54,218 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-03-13 00:48:56,994 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-13 00:48:59,747 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-13 00:49:02,620 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-03-13 00:49:04,084 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-03-13 00:49:05,218 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-03-13 00:49:05,832 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-03-13 00:49:06,331 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-03-13 00:49:06,792 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-03-13 00:49:07,191 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-03-13 00:49:08,697 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-03-13 00:49:09,968 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-03-13 00:49:10,438 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-03-13 00:49:10,593 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-03-13 00:49:10,782 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-13 00:49:10,965 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-13 00:49:11,294 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-03-13 00:49:12,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:49:12,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:49:12,433 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:49:12,433 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-03-13 00:49:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:49:12,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:49:12,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2021-03-13 00:49:12,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364299503] [2021-03-13 00:49:12,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-13 00:49:12,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:49:12,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-13 00:49:12,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-03-13 00:49:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:49:12,436 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:49:12,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 32 states have (on average 1.25) internal successors, (40), 32 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) [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:49:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:49:12,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:49:12,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:49:12,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:49:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:49:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:49:12,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2780,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:49:12,939 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:49:12,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:49:12,940 INFO L82 PathProgramCache]: Analyzing trace with hash -375069767, now seen corresponding path program 9 times [2021-03-13 00:49:12,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:49:12,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234296905] [2021-03-13 00:49:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:49:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:49:13,902 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 5516 DAG size of output: 13 [2021-03-13 00:49:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:49:13,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234296905] [2021-03-13 00:49:13,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905818282] [2021-03-13 00:49:13,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:49:13,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-13 00:49:13,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:49:13,965 WARN L261 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 68 conjunts are in the unsatisfiable core [2021-03-13 00:49:13,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:53:43,137 WARN L205 SmtUtils]: Spent 4.48 m on a formula simplification. DAG size of input: 13686 DAG size of output: 25 [2021-03-13 00:53:43,453 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-03-13 00:53:43,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:53:43,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-03-13 00:53:45,818 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1164 [2021-03-13 00:53:45,935 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-03-13 00:53:46,068 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-13 00:53:46,204 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-13 00:53:46,353 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-03-13 00:53:46,580 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-03-13 00:53:46,824 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-03-13 00:53:47,060 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-03-13 00:53:47,229 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-03-13 00:53:47,350 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-03-13 00:53:48,218 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 374 [2021-03-13 00:53:49,201 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-03-13 00:53:49,526 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-03-13 00:53:49,639 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 818 [2021-03-13 00:53:51,882 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-03-13 00:53:55,510 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-03-13 00:53:55,660 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-03-13 00:53:55,897 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-03-13 00:53:56,313 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-03-13 00:53:56,721 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-03-13 00:53:57,342 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-03-13 00:53:57,940 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-03-13 00:54:00,395 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-03-13 00:54:00,664 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-03-13 00:54:01,851 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-03-13 00:54:02,119 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-03-13 00:54:02,886 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-03-13 00:54:04,538 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-03-13 00:54:04,701 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-03-13 00:54:04,829 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2021-03-13 00:54:04,998 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-03-13 00:54:05,208 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-03-13 00:54:06,454 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 714 [2021-03-13 00:54:07,153 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-03-13 00:54:07,313 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-03-13 00:54:07,482 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-03-13 00:54:07,650 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-03-13 00:54:07,856 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 763 [2021-03-13 00:54:11,199 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-03-13 00:54:13,303 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-03-13 00:54:13,690 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-03-13 00:54:14,214 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-03-13 00:54:14,772 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-03-13 00:54:15,497 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-03-13 00:54:16,485 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-03-13 00:54:17,428 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-03-13 00:54:18,775 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-03-13 00:54:21,336 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-03-13 00:54:22,736 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-03-13 00:54:23,005 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-03-13 00:54:23,655 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-03-13 00:54:24,847 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-03-13 00:54:26,913 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-03-13 00:54:27,234 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-03-13 00:54:27,384 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-03-13 00:54:27,567 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-03-13 00:54:27,705 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-03-13 00:54:27,893 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-03-13 00:54:28,086 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-03-13 00:54:28,276 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-03-13 00:54:28,505 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-03-13 00:54:32,534 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-03-13 00:54:32,712 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-03-13 00:54:32,965 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-03-13 00:54:33,237 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-03-13 00:54:33,611 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-03-13 00:54:33,771 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-03-13 00:54:37,611 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1173 DAG size of output: 857 [2021-03-13 00:54:37,724 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-03-13 00:54:37,932 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-03-13 00:54:38,471 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-03-13 00:54:39,064 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-03-13 00:54:39,792 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-03-13 00:54:40,571 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-03-13 00:54:43,654 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-03-13 00:54:43,925 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-03-13 00:54:44,170 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-03-13 00:54:44,447 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-03-13 00:54:45,634 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-03-13 00:54:46,914 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-03-13 00:54:50,395 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-03-13 00:54:50,543 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-03-13 00:54:50,703 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-03-13 00:54:50,902 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-03-13 00:54:51,128 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-03-13 00:54:52,779 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-03-13 00:54:53,385 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-03-13 00:54:53,783 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-03-13 00:54:54,237 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-03-13 00:54:55,897 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-03-13 00:54:56,096 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-03-13 00:54:56,365 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-03-13 00:54:56,492 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-03-13 00:54:57,970 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-03-13 00:54:58,131 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-03-13 00:54:58,312 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-03-13 00:55:00,294 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-03-13 00:55:00,420 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-03-13 00:55:01,592 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-03-13 00:55:01,810 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-03-13 00:55:01,948 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1028 DAG size of output: 1027 [2021-03-13 00:55:03,672 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 679 [2021-03-13 00:55:04,559 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-03-13 00:55:04,730 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-03-13 00:55:04,920 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-03-13 00:55:06,794 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 683 [2021-03-13 00:55:07,110 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-03-13 00:55:07,496 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-03-13 00:55:08,052 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-03-13 00:55:08,800 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-03-13 00:55:09,518 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-03-13 00:55:10,573 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-03-13 00:55:14,093 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-03-13 00:55:14,256 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 Received shutdown request... [2021-03-13 00:55:14,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18758,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:55:14,571 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-13 00:55:14,576 WARN L224 ceAbstractionStarter]: Timeout [2021-03-13 00:55:14,576 INFO L202 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:55:14 BasicIcfg [2021-03-13 00:55:14,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:55:14,577 INFO L168 Benchmark]: Toolchain (without parser) took 878272.49 ms. Allocated memory was 375.4 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 355.0 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.0 GB. [2021-03-13 00:55:14,577 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 375.4 MB. Free memory was 356.2 MB in the beginning and 356.2 MB in the end (delta: 76.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:55:14,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.54 ms. Allocated memory is still 375.4 MB. Free memory was 354.5 MB in the beginning and 353.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:55:14,577 INFO L168 Benchmark]: Boogie Preprocessor took 19.17 ms. Allocated memory is still 375.4 MB. Free memory was 353.0 MB in the beginning and 352.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:55:14,577 INFO L168 Benchmark]: RCFGBuilder took 400.30 ms. Allocated memory is still 375.4 MB. Free memory was 351.9 MB in the beginning and 354.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.0 GB. [2021-03-13 00:55:14,577 INFO L168 Benchmark]: TraceAbstraction took 877777.83 ms. Allocated memory was 375.4 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 354.6 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.0 GB. [2021-03-13 00:55:14,578 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 0.09 ms. Allocated memory is still 375.4 MB. Free memory was 356.2 MB in the beginning and 356.2 MB in the end (delta: 76.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.54 ms. Allocated memory is still 375.4 MB. Free memory was 354.5 MB in the beginning and 353.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.17 ms. Allocated memory is still 375.4 MB. Free memory was 353.0 MB in the beginning and 352.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 400.30 ms. Allocated memory is still 375.4 MB. Free memory was 351.9 MB in the beginning and 354.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 877777.83 ms. Allocated memory was 375.4 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 354.6 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.0ms, 21 PlacesBefore, 18 PlacesAfterwards, 16 TransitionsBefore, 13 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 22 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 420, positive: 270, positive conditional: 270, positive unconditional: 0, negative: 150, negative conditional: 150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 270, positive: 270, positive conditional: 270, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 270, positive conditional: 0, positive unconditional: 270, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 270, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 150 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 69). Cancelled while PartialOrderCegarLoop was analyzing trace of length 23 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 877693.3ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 156.6ms, PartialOrderReductionTime: 1684.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 50.5ms SsaConstructionTime, 223.6ms SatisfiabilityAnalysisTime, 510837.2ms InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 371 ConstructedInterpolants, 0 QuantifiedInterpolants, 6291 SizeOfPredicates, 31 NumberOfNonLiveVariables, 832 ConjunctsInSsa, 415 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 97/736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown