/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/popl20-bad/commit-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 02:25:50,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 02:25:50,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 02:25:50,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 02:25:50,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 02:25:50,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 02:25:50,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 02:25:50,503 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 02:25:50,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 02:25:50,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 02:25:50,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 02:25:50,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 02:25:50,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 02:25:50,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 02:25:50,545 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 02:25:50,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 02:25:50,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 02:25:50,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 02:25:50,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 02:25:50,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 02:25:50,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 02:25:50,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 02:25:50,548 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 02:25:50,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 02:25:50,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 02:25:50,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 02:25:50,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 02:25:50,835 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 02:25:50,836 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 02:25:50,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-1.wvr.bpl [2021-03-13 02:25:50,855 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-1.wvr.bpl' [2021-03-13 02:25:51,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 02:25:51,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 02:25:51,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 02:25:51,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 02:25:51,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 02:25:51,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 02:25:51,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 02:25:51,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 02:25:51,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 02:25:51,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/1) ... [2021-03-13 02:25:51,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 02:25:51,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 02:25:51,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 02:25:51,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 02:25:51,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (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 02:25:51,252 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 02:25:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 02:25:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 02:25:51,253 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 02:25:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 02:25:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 02:25:51,254 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 02:25:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 02:25:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 02:25:51,254 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 02:25:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 02:25:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 02:25:51,256 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 02:25:51,564 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 02:25:51,564 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-03-13 02:25:51,565 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-13 02:25:51,565 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-13 02:25:51,565 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-03-13 02:25:51,566 INFO L202 PluginConnector]: Adding new model commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:25:51 BoogieIcfgContainer [2021-03-13 02:25:51,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 02:25:51,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 02:25:51,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 02:25:51,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 02:25:51,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:25:51" (1/2) ... [2021-03-13 02:25:51,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bcb4e3 and model type commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 02:25:51, skipping insertion in model container [2021-03-13 02:25:51,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:25:51" (2/2) ... [2021-03-13 02:25:51,571 INFO L111 eAbstractionObserver]: Analyzing ICFG commit-1.wvr.bpl [2021-03-13 02:25:51,575 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 02:25:51,578 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 02:25:51,585 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 02:25:51,585 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 02:25:51,627 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-13 02:25:51,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 02:25:51,682 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 02:25:51,682 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 02:25:51,682 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 02:25:51,682 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 02:25:51,682 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 02:25:51,682 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 02:25:51,682 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 02:25:51,682 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 02:25:51,687 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 02:25:51,688 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 20 transitions, 64 flow [2021-03-13 02:25:51,689 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 20 transitions, 64 flow [2021-03-13 02:25:51,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 64 flow [2021-03-13 02:25:51,702 INFO L129 PetriNetUnfolder]: 3/17 cut-off events. [2021-03-13 02:25:51,703 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-13 02:25:51,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 17 events. 3/17 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-03-13 02:25:51,705 INFO L116 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-13 02:25:51,727 INFO L131 LiptonReduction]: Checked pairs total: 54 [2021-03-13 02:25:51,727 INFO L133 LiptonReduction]: Total number of compositions: 3 [2021-03-13 02:25:51,830 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:51,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:51,835 INFO L82 PathProgramCache]: Analyzing trace with hash 118282627, now seen corresponding path program 1 times [2021-03-13 02:25:51,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:51,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487975001] [2021-03-13 02:25:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:51,929 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 02:25:51,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487975001] [2021-03-13 02:25:51,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:25:51,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 02:25:51,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102172528] [2021-03-13 02:25:51,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:25:51,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:51,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:25:51,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:25:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:51,947 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:51,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 02:25:51,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 02:25:52,035 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:52,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:52,036 INFO L82 PathProgramCache]: Analyzing trace with hash -75345333, now seen corresponding path program 1 times [2021-03-13 02:25:52,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:52,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222836076] [2021-03-13 02:25:52,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:52,106 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 02:25:52,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222836076] [2021-03-13 02:25:52,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688313271] [2021-03-13 02:25:52,107 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 02:25:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:52,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-13 02:25:52,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:52,269 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 02:25:52,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:52,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-03-13 02:25:52,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393647298] [2021-03-13 02:25:52,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 02:25:52,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:52,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 02:25:52,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 02:25:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,271 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:52,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:25:52,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:52,525 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash -818297313, now seen corresponding path program 1 times [2021-03-13 02:25:52,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:52,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265366836] [2021-03-13 02:25:52,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:52,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265366836] [2021-03-13 02:25:52,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:25:52,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 02:25:52,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534564543] [2021-03-13 02:25:52,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:25:52,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:52,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:25:52,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:25:52,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,589 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:52,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 02:25:52,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 02:25:52,654 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:52,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:52,654 INFO L82 PathProgramCache]: Analyzing trace with hash -7837435, now seen corresponding path program 1 times [2021-03-13 02:25:52,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:52,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076900706] [2021-03-13 02:25:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:52,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076900706] [2021-03-13 02:25:52,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:25:52,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 02:25:52,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918046505] [2021-03-13 02:25:52,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:25:52,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:52,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:25:52,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:25:52,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,676 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:52,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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 02:25:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 02:25:52,705 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:52,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:52,706 INFO L82 PathProgramCache]: Analyzing trace with hash 35008749, now seen corresponding path program 1 times [2021-03-13 02:25:52,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:52,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834319230] [2021-03-13 02:25:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:52,723 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 02:25:52,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834319230] [2021-03-13 02:25:52,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939017826] [2021-03-13 02:25:52,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 02:25:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:52,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-13 02:25:52,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:52,794 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 02:25:52,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:52,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-03-13 02:25:52,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756462532] [2021-03-13 02:25:52,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 02:25:52,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:52,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 02:25:52,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 02:25:52,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,795 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:52,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:25:52,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:53,066 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:53,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:53,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1638131745, now seen corresponding path program 1 times [2021-03-13 02:25:53,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:53,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572960545] [2021-03-13 02:25:53,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:53,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572960545] [2021-03-13 02:25:53,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579200553] [2021-03-13 02:25:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:53,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-13 02:25:53,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:53,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:53,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-13 02:25:53,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830004696] [2021-03-13 02:25:53,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 02:25:53,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:53,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 02:25:53,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-13 02:25:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:53,208 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:53,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 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 02:25:53,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:53,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:53,515 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:53,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:53,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1570344431, now seen corresponding path program 1 times [2021-03-13 02:25:53,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:53,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539146200] [2021-03-13 02:25:53,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:53,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539146200] [2021-03-13 02:25:53,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509757099] [2021-03-13 02:25:53,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 02:25:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:53,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-13 02:25:53,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:53,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-13 02:25:53,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2021-03-13 02:25:53,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935181433] [2021-03-13 02:25:53,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 02:25:53,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:53,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 02:25:53,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-13 02:25:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:53,696 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:53,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:53,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:53,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:53,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-13 02:25:53,968 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:53,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:53,969 INFO L82 PathProgramCache]: Analyzing trace with hash -204662931, now seen corresponding path program 2 times [2021-03-13 02:25:53,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:53,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207461206] [2021-03-13 02:25:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:54,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207461206] [2021-03-13 02:25:54,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14942786] [2021-03-13 02:25:54,013 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 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 02:25:54,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:25:54,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:54,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-13 02:25:54,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:54,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:54,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-13 02:25:54,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897468252] [2021-03-13 02:25:54,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 02:25:54,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:54,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 02:25:54,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-13 02:25:54,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:54,141 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:54,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:54,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:54,447 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:54,448 INFO L82 PathProgramCache]: Analyzing trace with hash 278284323, now seen corresponding path program 2 times [2021-03-13 02:25:54,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:54,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624599369] [2021-03-13 02:25:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:54,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624599369] [2021-03-13 02:25:54,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100906224] [2021-03-13 02:25:54,525 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 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 02:25:54,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:25:54,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:54,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-13 02:25:54,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:54,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:54,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-13 02:25:54,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081583812] [2021-03-13 02:25:54,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-13 02:25:54,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:54,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-13 02:25:54,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-13 02:25:54,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:54,738 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:54,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:54,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:55,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-13 02:25:55,092 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:55,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:55,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1930219987, now seen corresponding path program 3 times [2021-03-13 02:25:55,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:55,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266250671] [2021-03-13 02:25:55,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:55,309 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-03-13 02:25:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:55,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266250671] [2021-03-13 02:25:55,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858989875] [2021-03-13 02:25:55,343 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 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 02:25:55,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-13 02:25:55,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:55,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-13 02:25:55,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:55,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:55,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-13 02:25:55,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633616083] [2021-03-13 02:25:55,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-13 02:25:55,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:55,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-13 02:25:55,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-13 02:25:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:55,554 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:55,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 10 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 02:25:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:55,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-13 02:25:55,967 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:55,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:55,969 INFO L82 PathProgramCache]: Analyzing trace with hash 845583073, now seen corresponding path program 4 times [2021-03-13 02:25:55,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:55,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467816336] [2021-03-13 02:25:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:56,122 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 02:25:56,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467816336] [2021-03-13 02:25:56,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901117710] [2021-03-13 02:25:56,123 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 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 02:25:56,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:25:56,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:56,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-13 02:25:56,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:56,325 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 02:25:56,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:56,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-13 02:25:56,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685840287] [2021-03-13 02:25:56,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 02:25:56,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:56,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 02:25:56,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-03-13 02:25:56,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:56,327 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:56,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 14 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 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:56,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:56,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:56,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:56,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-13 02:25:56,755 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:56,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:56,756 INFO L82 PathProgramCache]: Analyzing trace with hash 558835231, now seen corresponding path program 5 times [2021-03-13 02:25:56,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:56,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309987410] [2021-03-13 02:25:56,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:25:56,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309987410] [2021-03-13 02:25:56,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791292972] [2021-03-13 02:25:56,850 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 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 02:25:56,877 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-13 02:25:56,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:56,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-13 02:25:56,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:25:57,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:57,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2021-03-13 02:25:57,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373859965] [2021-03-13 02:25:57,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 02:25:57,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:57,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 02:25:57,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-03-13 02:25:57,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:57,185 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:57,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 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 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:57,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:57,545 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:57,545 INFO L82 PathProgramCache]: Analyzing trace with hash -792521493, now seen corresponding path program 6 times [2021-03-13 02:25:57,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:57,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854221531] [2021-03-13 02:25:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:57,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854221531] [2021-03-13 02:25:57,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713789248] [2021-03-13 02:25:57,705 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:57,731 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-13 02:25:57,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:57,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-13 02:25:57,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:57,960 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 7 treesize of output 3 [2021-03-13 02:25:57,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:25:57,964 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 7 treesize of output 3 [2021-03-13 02:25:57,965 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 02:25:57,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:25:57,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-03-13 02:25:57,995 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:81 [2021-03-13 02:25:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:25:58,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:58,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2021-03-13 02:25:58,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196480728] [2021-03-13 02:25:58,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-13 02:25:58,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:58,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-13 02:25:58,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-03-13 02:25:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:58,092 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:58,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 17 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 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:58,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:58,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-13 02:25:58,780 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:58,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:58,780 INFO L82 PathProgramCache]: Analyzing trace with hash 996132013, now seen corresponding path program 7 times [2021-03-13 02:25:58,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:58,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252087318] [2021-03-13 02:25:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:58,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252087318] [2021-03-13 02:25:58,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15415466] [2021-03-13 02:25:58,894 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:58,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-13 02:25:58,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:25:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:25:59,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:25:59,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-03-13 02:25:59,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82116786] [2021-03-13 02:25:59,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-13 02:25:59,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:25:59,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-13 02:25:59,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-13 02:25:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:59,223 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:25:59,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:59,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:25:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:25:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:25:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:25:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:25:59,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:25:59,942 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:25:59,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:25:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash 673657547, now seen corresponding path program 8 times [2021-03-13 02:25:59,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:25:59,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640005510] [2021-03-13 02:25:59,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:25:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:25:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-13 02:25:59,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640005510] [2021-03-13 02:25:59,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491426985] [2021-03-13 02:25:59,967 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 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 02:25:59,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:25:59,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:25:59,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-13 02:25:59,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-13 02:26:00,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:00,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-13 02:26:00,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633783594] [2021-03-13 02:26:00,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 02:26:00,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:00,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 02:26:00,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-13 02:26:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:00,029 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:00,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 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 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:00,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:00,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:00,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-13 02:26:00,435 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:00,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:00,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1966550953, now seen corresponding path program 3 times [2021-03-13 02:26:00,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:00,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935960851] [2021-03-13 02:26:00,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:00,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935960851] [2021-03-13 02:26:00,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121760870] [2021-03-13 02:26:00,468 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-13 02:26:00,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-13 02:26:00,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:00,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-13 02:26:00,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:00,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:00,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-13 02:26:00,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426452992] [2021-03-13 02:26:00,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 02:26:00,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:00,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 02:26:00,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-13 02:26:00,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:00,597 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:00,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 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 02:26:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:00,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:00,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:00,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:01,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:01,461 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:01,461 INFO L82 PathProgramCache]: Analyzing trace with hash -52143039, now seen corresponding path program 9 times [2021-03-13 02:26:01,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:01,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868930988] [2021-03-13 02:26:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-03-13 02:26:01,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868930988] [2021-03-13 02:26:01,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779161080] [2021-03-13 02:26:01,549 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 02:26:01,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-13 02:26:01,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:01,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-13 02:26:01,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:01,767 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 7 treesize of output 3 [2021-03-13 02:26:01,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:26:01,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:01,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:01,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2021-03-13 02:26:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-03-13 02:26:01,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:01,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-13 02:26:01,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699686220] [2021-03-13 02:26:01,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-13 02:26:01,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:01,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-13 02:26:01,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-13 02:26:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:01,816 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:01,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 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 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:02,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-13 02:26:02,635 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:02,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1340001507, now seen corresponding path program 10 times [2021-03-13 02:26:02,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:02,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118706542] [2021-03-13 02:26:02,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-13 02:26:02,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118706542] [2021-03-13 02:26:02,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166592786] [2021-03-13 02:26:02,774 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:02,815 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:26:02,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:02,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-13 02:26:02,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:02,975 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 7 treesize of output 3 [2021-03-13 02:26:02,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:26:02,980 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 7 treesize of output 3 [2021-03-13 02:26:02,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 02:26:03,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:03,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-03-13 02:26:03,031 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:77 [2021-03-13 02:26:03,243 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-13 02:26:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-03-13 02:26:03,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:03,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2021-03-13 02:26:03,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223624118] [2021-03-13 02:26:03,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 02:26:03,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:03,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 02:26:03,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-03-13 02:26:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:03,279 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:03,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 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 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:03,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:03,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:03,875 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:03,875 INFO L82 PathProgramCache]: Analyzing trace with hash 794846859, now seen corresponding path program 11 times [2021-03-13 02:26:03,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:03,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103631895] [2021-03-13 02:26:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:04,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103631895] [2021-03-13 02:26:04,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764223416] [2021-03-13 02:26:04,024 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:04,055 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-13 02:26:04,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:04,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-13 02:26:04,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:04,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:04,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-03-13 02:26:04,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907342207] [2021-03-13 02:26:04,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-13 02:26:04,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:04,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-13 02:26:04,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-03-13 02:26:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:04,498 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:04,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.7) internal successors, (34), 19 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 02:26:04,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:04,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:04,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-13 02:26:04,846 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:04,846 INFO L82 PathProgramCache]: Analyzing trace with hash 905200941, now seen corresponding path program 12 times [2021-03-13 02:26:04,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:04,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141769942] [2021-03-13 02:26:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:04,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141769942] [2021-03-13 02:26:04,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373895951] [2021-03-13 02:26:04,982 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-13 02:26:05,017 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-13 02:26:05,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:05,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:05,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:05,216 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 7 treesize of output 3 [2021-03-13 02:26:05,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 02:26:05,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:05,246 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 7 treesize of output 3 [2021-03-13 02:26:05,246 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 02:26:05,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:05,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-03-13 02:26:05,277 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:95, output treesize:81 [2021-03-13 02:26:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 02:26:05,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:05,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2021-03-13 02:26:05,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626518191] [2021-03-13 02:26:05,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-13 02:26:05,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:05,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-13 02:26:05,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-03-13 02:26:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:05,468 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:05,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 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 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:06,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-13 02:26:06,386 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:06,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:06,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1450681375, now seen corresponding path program 13 times [2021-03-13 02:26:06,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:06,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604262268] [2021-03-13 02:26:06,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:06,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604262268] [2021-03-13 02:26:06,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201700223] [2021-03-13 02:26:06,657 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:06,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-13 02:26:06,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:07,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:07,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-03-13 02:26:07,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931634255] [2021-03-13 02:26:07,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-13 02:26:07,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:07,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-13 02:26:07,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2021-03-13 02:26:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:07,133 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:07,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:07,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:07,650 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:07,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:07,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1198204577, now seen corresponding path program 14 times [2021-03-13 02:26:07,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:07,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767942841] [2021-03-13 02:26:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:07,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767942841] [2021-03-13 02:26:07,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573750532] [2021-03-13 02:26:07,900 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:07,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:26:07,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:07,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-13 02:26:07,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:08,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:08,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-03-13 02:26:08,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55565522] [2021-03-13 02:26:08,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-13 02:26:08,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:08,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-13 02:26:08,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2021-03-13 02:26:08,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:08,597 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:08,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:09,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 02:26:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-13 02:26:09,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-03-13 02:26:09,846 INFO L202 PluginConnector]: Adding new model commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 02:26:09 BasicIcfg [2021-03-13 02:26:09,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 02:26:09,847 INFO L168 Benchmark]: Toolchain (without parser) took 18811.75 ms. Allocated memory was 371.2 MB in the beginning and 559.9 MB in the end (delta: 188.7 MB). Free memory was 351.3 MB in the beginning and 304.8 MB in the end (delta: 46.5 MB). Peak memory consumption was 236.8 MB. Max. memory is 16.0 GB. [2021-03-13 02:26:09,847 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 371.2 MB. Free memory was 352.6 MB in the beginning and 352.5 MB in the end (delta: 83.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 02:26:09,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 371.2 MB. Free memory was 350.7 MB in the beginning and 349.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 02:26:09,847 INFO L168 Benchmark]: Boogie Preprocessor took 16.85 ms. Allocated memory is still 371.2 MB. Free memory was 349.3 MB in the beginning and 348.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 02:26:09,847 INFO L168 Benchmark]: RCFGBuilder took 359.76 ms. Allocated memory is still 371.2 MB. Free memory was 348.1 MB in the beginning and 345.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.0 GB. [2021-03-13 02:26:09,847 INFO L168 Benchmark]: TraceAbstraction took 18279.19 ms. Allocated memory was 371.2 MB in the beginning and 559.9 MB in the end (delta: 188.7 MB). Free memory was 345.4 MB in the beginning and 304.8 MB in the end (delta: 40.6 MB). Peak memory consumption was 228.3 MB. Max. memory is 16.0 GB. [2021-03-13 02:26:09,848 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 371.2 MB. Free memory was 352.6 MB in the beginning and 352.5 MB in the end (delta: 83.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 371.2 MB. Free memory was 350.7 MB in the beginning and 349.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.85 ms. Allocated memory is still 371.2 MB. Free memory was 349.3 MB in the beginning and 348.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 359.76 ms. Allocated memory is still 371.2 MB. Free memory was 348.1 MB in the beginning and 345.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 18279.19 ms. Allocated memory was 371.2 MB in the beginning and 559.9 MB in the end (delta: 188.7 MB). Free memory was 345.4 MB in the beginning and 304.8 MB in the end (delta: 40.6 MB). Peak memory consumption was 228.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.8ms, 27 PlacesBefore, 25 PlacesAfterwards, 20 TransitionsBefore, 18 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 54 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, 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: 18, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 18, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 54, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4308, positive: 2888, positive conditional: 2888, positive unconditional: 0, negative: 1420, negative conditional: 1420, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3014, positive: 2888, positive conditional: 2888, positive unconditional: 0, negative: 126, negative conditional: 126, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3014, positive: 2496, positive conditional: 0, positive unconditional: 2496, negative: 518, negative conditional: 0, negative unconditional: 518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3014, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 514, negative conditional: 0, negative unconditional: 514, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5298, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 4906, negative conditional: 1441, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 135, negative conditional: 131, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2098, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 1659, negative conditional: 1567, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5298, positive: 344, positive conditional: 344, positive unconditional: 0, negative: 4775, negative conditional: 1310, negative unconditional: 3465, unknown: 179, unknown conditional: 179, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 71, Positive conditional cache size: 48, Positive unconditional cache size: 23, Negative cache size: 135, Negative conditional cache size: 131, Negative unconditional cache size: 4, Eliminated conditions: 3465 ], Maximal queried relation: 22, Independence queries for same thread: 1294 - PositiveResult [Line: 125]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18183.6ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.4ms, PartialOrderReductionTime: 6318.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 196, 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: 122.0ms SsaConstructionTime, 480.5ms SatisfiabilityAnalysisTime, 6642.1ms InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 655 ConstructedInterpolants, 23 QuantifiedInterpolants, 7456 SizeOfPredicates, 189 NumberOfNonLiveVariables, 938 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 41 InterpolantComputations, 4 PerfectInterpolantSequences, 170/519 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...