/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 09:39:42,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 09:39:42,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 09:39:42,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 09:39:42,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 09:39:42,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 09:39:42,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 09:39:42,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 09:39:42,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 09:39:42,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 09:39:42,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 09:39:42,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-03-12 09:39:42,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 09:39:42,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 09:39:42,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 09:39:42,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-03-12 09:39:42,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 09:39:42,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 09:39:42,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 09:39:42,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 09:39:42,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 09:39:42,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 09:39:42,907 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 09:39:42,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 09:39:42,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 09:39:42,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 09:39:42,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 09:39:42,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:39:42,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 09:39:42,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 09:39:42,910 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 09:39:42,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 09:39:43,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 09:39:43,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 09:39:43,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 09:39:43,155 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 09:39:43,155 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 09:39:43,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2021-03-12 09:39:43,156 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2021-03-12 09:39:43,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 09:39:43,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 09:39:43,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 09:39:43,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 09:39:43,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 09:39:43,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 09:39:43,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 09:39:43,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 09:39:43,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 09:39:43,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... [2021-03-12 09:39:43,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 09:39:43,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 09:39:43,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 09:39:43,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 09:39:43,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:39:43,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 09:39:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 09:39:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 09:39:43,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 09:39:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 09:39:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 09:39:43,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 09:39:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 09:39:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 09:39:43,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 09:39:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 09:39:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 09:39:43,285 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 09:39:43,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 09:39:43,545 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 09:39:43,547 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:39:43 BoogieIcfgContainer [2021-03-12 09:39:43,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 09:39:43,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 09:39:43,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 09:39:43,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 09:39:43,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:39:43" (1/2) ... [2021-03-12 09:39:43,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd563c7 and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:39:43, skipping insertion in model container [2021-03-12 09:39:43,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:39:43" (2/2) ... [2021-03-12 09:39:43,552 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2021-03-12 09:39:43,556 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 09:39:43,556 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 09:39:43,558 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 09:39:43,559 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 09:39:43,585 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 09:39:43,598 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 [2021-03-12 09:39:43,629 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 09:39:43,629 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 09:39:43,629 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 09:39:43,629 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 09:39:43,629 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 09:39:43,629 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 09:39:43,629 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 09:39:43,629 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 09:39:43,789 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:43,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:43,796 INFO L82 PathProgramCache]: Analyzing trace with hash -479636194, now seen corresponding path program 1 times [2021-03-12 09:39:43,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:43,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068473126] [2021-03-12 09:39:43,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 09:39:43,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068473126] [2021-03-12 09:39:43,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:39:43,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 09:39:43,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76405275] [2021-03-12 09:39:43,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 09:39:43,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:43,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 09:39:43,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 09:39:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:43,935 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:43,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 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) [2021-03-12 09:39:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 09:39:44,023 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:44,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:44,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1367857430, now seen corresponding path program 2 times [2021-03-12 09:39:44,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:44,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296545217] [2021-03-12 09:39:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 09:39:44,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296545217] [2021-03-12 09:39:44,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:39:44,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 09:39:44,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872204155] [2021-03-12 09:39:44,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 09:39:44,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:44,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 09:39:44,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 09:39:44,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,075 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:44,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 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) [2021-03-12 09:39:44,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 09:39:44,104 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:44,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1559591817, now seen corresponding path program 3 times [2021-03-12 09:39:44,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:44,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573410159] [2021-03-12 09:39:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:39:44,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573410159] [2021-03-12 09:39:44,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:39:44,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 09:39:44,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425183451] [2021-03-12 09:39:44,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 09:39:44,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:44,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 09:39:44,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 09:39:44,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,146 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:44,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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) [2021-03-12 09:39:44,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 09:39:44,208 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:44,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:44,209 INFO L82 PathProgramCache]: Analyzing trace with hash -467193816, now seen corresponding path program 1 times [2021-03-12 09:39:44,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:44,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211995586] [2021-03-12 09:39:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:39:44,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211995586] [2021-03-12 09:39:44,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:39:44,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 09:39:44,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752991626] [2021-03-12 09:39:44,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 09:39:44,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:44,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 09:39:44,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 09:39:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,231 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:44,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-03-12 09:39:44,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 09:39:44,265 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:44,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:44,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1954198291, now seen corresponding path program 4 times [2021-03-12 09:39:44,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:44,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664515842] [2021-03-12 09:39:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:39:44,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664515842] [2021-03-12 09:39:44,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359841865] [2021-03-12 09:39:44,334 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 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 [2021-03-12 09:39:44,376 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:39:44,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:39:44,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 09:39:44,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:39:44,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:39:44,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-03-12 09:39:44,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118267883] [2021-03-12 09:39:44,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 09:39:44,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:44,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 09:39:44,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-12 09:39:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,481 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:44,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 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) [2021-03-12 09:39:44,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:44,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:39:44,753 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:44,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:44,754 INFO L82 PathProgramCache]: Analyzing trace with hash 691881653, now seen corresponding path program 5 times [2021-03-12 09:39:44,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:44,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179472730] [2021-03-12 09:39:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:39:44,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179472730] [2021-03-12 09:39:44,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811780182] [2021-03-12 09:39:44,865 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 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 [2021-03-12 09:39:44,947 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-12 09:39:44,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:39:44,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 09:39:44,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:39:45,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:39:45,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2021-03-12 09:39:45,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955821935] [2021-03-12 09:39:45,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 09:39:45,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:45,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 09:39:45,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-12 09:39:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:45,082 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:45,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 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) [2021-03-12 09:39:45,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:45,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:45,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:45,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:45,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:45,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:45,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:39:45,459 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:45,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:45,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1445595435, now seen corresponding path program 6 times [2021-03-12 09:39:45,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:45,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556723223] [2021-03-12 09:39:45,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:39:45,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556723223] [2021-03-12 09:39:45,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857907324] [2021-03-12 09:39:45,738 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 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 [2021-03-12 09:39:45,779 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 09:39:45,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:39:45,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 09:39:45,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:39:46,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:39:46,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 09:39:46,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946796971] [2021-03-12 09:39:46,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 09:39:46,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:46,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 09:39:46,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=783, Unknown=0, NotChecked=0, Total=930 [2021-03-12 09:39:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:46,560 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:46,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.129032258064516) internal successors, (66), 30 states have internal predecessors, (66), 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) [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:46,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:46,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:39:46,932 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:46,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:46,933 INFO L82 PathProgramCache]: Analyzing trace with hash 891133841, now seen corresponding path program 7 times [2021-03-12 09:39:46,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:46,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933420926] [2021-03-12 09:39:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 09:39:47,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933420926] [2021-03-12 09:39:47,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655183687] [2021-03-12 09:39:47,391 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 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 [2021-03-12 09:39:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:47,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 09:39:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:39:48,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:39:48,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-03-12 09:39:48,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058779272] [2021-03-12 09:39:48,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-03-12 09:39:48,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:48,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-03-12 09:39:48,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1001, Unknown=0, NotChecked=0, Total=1190 [2021-03-12 09:39:48,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:48,619 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:48,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.142857142857143) internal successors, (75), 34 states have internal predecessors, (75), 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) [2021-03-12 09:39:48,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:39:49,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 09:39:49,155 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:49,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1539375087, now seen corresponding path program 8 times [2021-03-12 09:39:49,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:49,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039530992] [2021-03-12 09:39:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-03-12 09:39:49,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039530992] [2021-03-12 09:39:49,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778926792] [2021-03-12 09:39:49,718 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 [2021-03-12 09:39:49,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:39:49,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:39:49,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-12 09:39:49,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:50,459 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-03-12 09:39:50,611 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-03-12 09:39:50,987 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-03-12 09:39:51,332 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:39:51,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:39:51,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 36 [2021-03-12 09:39:51,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944774054] [2021-03-12 09:39:51,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 09:39:51,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 09:39:51,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1144, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 09:39:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:51,338 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:51,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 36 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:39:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:39:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:39:51,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-12 09:39:51,859 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:51,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:51,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1926253295, now seen corresponding path program 9 times [2021-03-12 09:39:51,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:51,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024005150] [2021-03-12 09:39:51,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:39:53,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024005150] [2021-03-12 09:39:53,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231294957] [2021-03-12 09:39:53,450 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 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 [2021-03-12 09:39:53,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-03-12 09:39:53,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:39:53,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-12 09:39:53,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:55,023 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-03-12 09:39:55,265 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-12 09:39:55,511 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-12 09:39:55,892 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 99 [2021-03-12 09:39:56,255 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-03-12 09:39:56,454 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-12 09:39:56,845 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2021-03-12 09:39:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:39:56,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:39:56,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 46 [2021-03-12 09:39:56,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551931313] [2021-03-12 09:39:56,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-03-12 09:39:56,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:39:56,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-03-12 09:39:56,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1915, Unknown=0, NotChecked=0, Total=2162 [2021-03-12 09:39:56,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:56,940 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:39:56,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.127659574468085) internal successors, (100), 46 states have internal predecessors, (100), 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) [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:39:56,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:39:56,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:39:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:39:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:39:57,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-12 09:39:57,647 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:39:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:39:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash -757791949, now seen corresponding path program 10 times [2021-03-12 09:39:57,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:39:57,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439322724] [2021-03-12 09:39:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:39:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:39:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 09:39:58,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439322724] [2021-03-12 09:39:58,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143335078] [2021-03-12 09:39:58,472 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 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 [2021-03-12 09:39:58,511 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:39:58,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:39:58,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 09:39:58,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:39:59,835 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-03-12 09:40:00,365 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2021-03-12 09:40:01,056 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 120 [2021-03-12 09:40:01,358 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-12 09:40:01,953 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 136 [2021-03-12 09:40:02,849 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-03-12 09:40:03,086 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-12 09:40:03,477 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 09:40:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:40:03,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:40:03,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 26] total 40 [2021-03-12 09:40:03,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342195908] [2021-03-12 09:40:03,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-03-12 09:40:03,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:40:03,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-03-12 09:40:03,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1412, Unknown=0, NotChecked=0, Total=1640 [2021-03-12 09:40:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:03,588 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:40:03,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.2439024390243905) internal successors, (92), 40 states have internal predecessors, (92), 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) [2021-03-12 09:40:03,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:03,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:03,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:03,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:03,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:03,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:04,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:40:04,580 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:40:04,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:40:04,581 INFO L82 PathProgramCache]: Analyzing trace with hash 292986103, now seen corresponding path program 11 times [2021-03-12 09:40:04,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:40:04,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643370800] [2021-03-12 09:40:04,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:40:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:40:05,708 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-03-12 09:40:05,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643370800] [2021-03-12 09:40:05,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659427576] [2021-03-12 09:40:05,708 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 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 [2021-03-12 09:40:05,751 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-03-12 09:40:05,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:40:05,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 35 conjunts are in the unsatisfiable core [2021-03-12 09:40:05,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:40:06,126 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2021-03-12 09:40:06,929 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-03-12 09:40:07,227 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-03-12 09:40:07,440 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-03-12 09:40:07,688 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-12 09:40:07,971 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-03-12 09:40:08,242 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-12 09:40:08,711 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 112 [2021-03-12 09:40:08,954 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-12 09:40:09,253 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-12 09:40:09,536 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-12 09:40:10,048 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2021-03-12 09:40:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:40:10,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:40:10,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 28] total 42 [2021-03-12 09:40:10,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021212690] [2021-03-12 09:40:10,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-12 09:40:10,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:40:10,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-12 09:40:10,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=1598, Unknown=0, NotChecked=0, Total=1806 [2021-03-12 09:40:10,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:10,155 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:40:10,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.2325581395348837) internal successors, (96), 42 states have internal predecessors, (96), 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) [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:10,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:40:12,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:40:12,197 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:40:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:40:12,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1065414041, now seen corresponding path program 12 times [2021-03-12 09:40:12,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:40:12,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175218490] [2021-03-12 09:40:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:40:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:40:12,882 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-03-12 09:40:13,030 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2021-03-12 09:40:13,151 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-03-12 09:40:13,613 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2021-03-12 09:40:14,512 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2021-03-12 09:40:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 1 proven. 200 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-03-12 09:40:14,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175218490] [2021-03-12 09:40:14,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255463839] [2021-03-12 09:40:14,630 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 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 [2021-03-12 09:40:14,681 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-03-12 09:40:14,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:40:14,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 37 conjunts are in the unsatisfiable core [2021-03-12 09:40:14,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:40:15,997 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-03-12 09:40:16,400 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-12 09:40:16,676 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-12 09:40:17,010 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-12 09:40:17,337 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-12 09:40:17,937 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 [2021-03-12 09:40:18,516 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 127 [2021-03-12 09:40:19,152 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2021-03-12 09:40:19,945 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 151 [2021-03-12 09:40:20,387 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-03-12 09:40:20,821 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-03-12 09:40:21,711 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 134 [2021-03-12 09:40:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:40:21,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:40:21,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 31] total 47 [2021-03-12 09:40:21,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649130661] [2021-03-12 09:40:21,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-03-12 09:40:21,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:40:21,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-03-12 09:40:21,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=2005, Unknown=0, NotChecked=0, Total=2256 [2021-03-12 09:40:21,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:21,921 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:40:21,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.1666666666666665) internal successors, (104), 47 states have internal predecessors, (104), 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) [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:40:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:40:23,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable155 [2021-03-12 09:40:23,177 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:40:23,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:40:23,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1676672654, now seen corresponding path program 13 times [2021-03-12 09:40:23,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:40:23,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245609978] [2021-03-12 09:40:23,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:40:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:40:24,463 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2021-03-12 09:40:24,867 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2021-03-12 09:40:25,111 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 29 [2021-03-12 09:40:25,304 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2021-03-12 09:40:25,483 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 31 [2021-03-12 09:40:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 3 proven. 242 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-03-12 09:40:25,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245609978] [2021-03-12 09:40:25,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926613718] [2021-03-12 09:40:25,877 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 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 [2021-03-12 09:40:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:40:25,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 44 conjunts are in the unsatisfiable core [2021-03-12 09:40:25,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:40:27,320 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2021-03-12 09:40:27,942 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2021-03-12 09:40:28,676 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2021-03-12 09:40:29,657 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 146 [2021-03-12 09:40:30,911 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 210 DAG size of output: 183 [2021-03-12 09:40:31,711 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2021-03-12 09:40:32,831 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-03-12 09:40:33,906 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 162 [2021-03-12 09:40:34,392 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2021-03-12 09:40:34,981 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-12 09:40:35,553 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-12 09:40:36,092 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-03-12 09:40:36,626 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-12 09:40:37,800 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2021-03-12 09:40:38,943 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2021-03-12 09:40:39,573 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-12 09:40:40,602 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 156 [2021-03-12 09:40:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:40:40,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:40:40,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 36] total 57 [2021-03-12 09:40:40,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365491575] [2021-03-12 09:40:40,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-03-12 09:40:40,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:40:40,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-03-12 09:40:40,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=2970, Unknown=0, NotChecked=0, Total=3306 [2021-03-12 09:40:40,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:40,852 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:40:40,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 2.103448275862069) internal successors, (122), 57 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:40:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:40:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:40:42,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:40:42,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-03-12 09:40:42,936 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:40:42,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:40:42,936 INFO L82 PathProgramCache]: Analyzing trace with hash -207018422, now seen corresponding path program 14 times [2021-03-12 09:40:42,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:40:42,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107407301] [2021-03-12 09:40:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:40:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:40:45,089 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 63 [2021-03-12 09:40:45,775 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2021-03-12 09:40:46,018 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 25 [2021-03-12 09:40:46,279 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2021-03-12 09:40:46,516 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2021-03-12 09:40:46,680 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2021-03-12 09:40:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 399 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:40:47,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107407301] [2021-03-12 09:40:47,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093876323] [2021-03-12 09:40:47,250 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 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 [2021-03-12 09:40:47,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:40:47,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:40:47,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 45 conjunts are in the unsatisfiable core [2021-03-12 09:40:47,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:40:49,123 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2021-03-12 09:40:49,616 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-12 09:40:49,941 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-12 09:40:50,315 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-03-12 09:40:51,234 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2021-03-12 09:40:51,807 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-12 09:40:52,758 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 176 [2021-03-12 09:40:53,672 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 167 [2021-03-12 09:40:54,606 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 162 [2021-03-12 09:40:55,201 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-03-12 09:40:56,469 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 205 [2021-03-12 09:40:57,144 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-12 09:40:57,819 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-03-12 09:40:58,539 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-03-12 09:40:59,291 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-12 09:40:59,952 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-12 09:41:00,630 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-12 09:41:01,658 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2021-03-12 09:41:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:41:01,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:41:01,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 71 [2021-03-12 09:41:01,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102626982] [2021-03-12 09:41:01,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-03-12 09:41:01,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:41:01,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-03-12 09:41:01,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=4616, Unknown=0, NotChecked=0, Total=5112 [2021-03-12 09:41:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:41:01,892 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:41:01,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 2.0555555555555554) internal successors, (148), 71 states have internal predecessors, (148), 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) [2021-03-12 09:41:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:41:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:41:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:41:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:41:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:41:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:41:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:41:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 09:41:05,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-03-12 09:41:05,979 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:41:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:41:05,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1099942948, now seen corresponding path program 15 times [2021-03-12 09:41:05,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:41:05,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526554707] [2021-03-12 09:41:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:41:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:41:06,934 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2021-03-12 09:41:07,170 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 45 [2021-03-12 09:41:07,738 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2021-03-12 09:41:08,733 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2021-03-12 09:41:10,805 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 122 DAG size of output: 63 [2021-03-12 09:41:13,731 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2021-03-12 09:41:16,887 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2021-03-12 09:41:18,344 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 145 DAG size of output: 34 [2021-03-12 09:41:21,774 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 153 DAG size of output: 34 [2021-03-12 09:41:25,356 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 151 DAG size of output: 32 [2021-03-12 09:41:28,229 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 147 DAG size of output: 26 [2021-03-12 09:41:33,441 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 165 DAG size of output: 46 [2021-03-12 09:41:42,318 WARN L205 SmtUtils]: Spent 8.85 s on a formula simplification. DAG size of input: 226 DAG size of output: 93 [2021-03-12 09:41:42,513 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 27 [2021-03-12 09:41:48,170 WARN L205 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 208 DAG size of output: 89 [2021-03-12 09:41:50,001 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 164 DAG size of output: 74 [2021-03-12 09:41:54,688 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 184 DAG size of output: 77 [2021-03-12 09:41:54,852 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2021-03-12 09:42:05,505 WARN L205 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 184 DAG size of output: 68 [2021-03-12 09:42:17,660 WARN L205 SmtUtils]: Spent 12.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 82 [2021-03-12 09:42:17,818 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2021-03-12 09:42:19,681 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 138 DAG size of output: 68 [2021-03-12 09:42:21,631 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 125 DAG size of output: 90 [2021-03-12 09:42:21,798 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2021-03-12 09:42:21,988 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-12 09:42:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 1 proven. 371 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-03-12 09:42:22,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526554707] [2021-03-12 09:42:22,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966057140] [2021-03-12 09:42:22,825 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 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 [2021-03-12 09:42:22,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-03-12 09:42:22,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:42:22,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 50 conjunts are in the unsatisfiable core [2021-03-12 09:42:22,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:42:24,847 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-03-12 09:42:25,694 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2021-03-12 09:42:26,675 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2021-03-12 09:42:27,903 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 173 [2021-03-12 09:42:29,288 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 254 DAG size of output: 249 [2021-03-12 09:42:30,089 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-03-12 09:42:32,032 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 289 DAG size of output: 248 [2021-03-12 09:42:33,360 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 326 DAG size of output: 245 [2021-03-12 09:42:34,796 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 322 DAG size of output: 238 [2021-03-12 09:42:36,065 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2021-03-12 09:42:37,740 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 339 DAG size of output: 267 [2021-03-12 09:42:38,595 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-03-12 09:42:39,502 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-12 09:42:40,370 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-12 09:42:41,282 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-12 09:42:42,788 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 355 DAG size of output: 249 [2021-03-12 09:42:43,589 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-03-12 09:42:44,340 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-03-12 09:42:45,444 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-03-12 09:42:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:42:45,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:42:45,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 41] total 63 [2021-03-12 09:42:45,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713553746] [2021-03-12 09:42:45,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-03-12 09:42:45,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:42:45,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-03-12 09:42:45,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=3546, Unknown=0, NotChecked=0, Total=4032 [2021-03-12 09:42:45,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:42:45,907 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:42:45,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.078125) internal successors, (133), 63 states have internal predecessors, (133), 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) [2021-03-12 09:42:45,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:42:45,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:42:45,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:42:45,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:42:45,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 09:42:45,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:42:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:42:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:42:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:42:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 09:42:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:42:49,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable348 [2021-03-12 09:42:49,499 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:42:49,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:42:49,500 INFO L82 PathProgramCache]: Analyzing trace with hash -292673380, now seen corresponding path program 16 times [2021-03-12 09:42:49,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:42:49,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984337684] [2021-03-12 09:42:49,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:42:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:42:50,876 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-03-12 09:42:51,524 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 60 [2021-03-12 09:42:53,474 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 134 DAG size of output: 71 [2021-03-12 09:42:53,626 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2021-03-12 09:42:55,538 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 136 DAG size of output: 64 [2021-03-12 09:42:55,684 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 29 [2021-03-12 09:42:58,985 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 174 DAG size of output: 79 [2021-03-12 09:43:03,917 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 183 DAG size of output: 75 [2021-03-12 09:43:04,074 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2021-03-12 09:43:16,754 WARN L205 SmtUtils]: Spent 12.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2021-03-12 09:43:16,915 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2021-03-12 09:43:19,487 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 204 DAG size of output: 76 [2021-03-12 09:43:19,654 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2021-03-12 09:43:29,679 WARN L205 SmtUtils]: Spent 10.02 s on a formula simplification. DAG size of input: 219 DAG size of output: 78 [2021-03-12 09:43:29,841 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 32 [2021-03-12 09:43:57,916 WARN L205 SmtUtils]: Spent 28.07 s on a formula simplification. DAG size of input: 222 DAG size of output: 79 [2021-03-12 09:44:54,487 WARN L205 SmtUtils]: Spent 56.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 88 [2021-03-12 09:44:54,688 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2021-03-12 09:47:10,159 WARN L205 SmtUtils]: Spent 2.26 m on a formula simplification. DAG size of input: 192 DAG size of output: 74 [2021-03-12 09:48:41,310 WARN L205 SmtUtils]: Spent 1.52 m on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2021-03-12 09:48:41,463 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2021-03-12 09:51:33,345 WARN L205 SmtUtils]: Spent 2.86 m on a formula simplification. DAG size of input: 228 DAG size of output: 75 [2021-03-12 09:51:36,651 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 165 DAG size of output: 81 [2021-03-12 09:51:40,300 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2021-03-12 09:51:40,519 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 26 [2021-03-12 09:51:43,477 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-03-12 09:51:44,731 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 208 DAG size of output: 110 [2021-03-12 09:51:46,237 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 219 DAG size of output: 104 [2021-03-12 09:51:47,888 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 220 DAG size of output: 113 [2021-03-12 09:51:48,111 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2021-03-12 09:51:49,546 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 216 DAG size of output: 113 [2021-03-12 09:51:49,750 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2021-03-12 09:51:51,184 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 212 DAG size of output: 106 [2021-03-12 09:51:51,432 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 28 [2021-03-12 09:51:52,039 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 99 [2021-03-12 09:51:52,244 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 19 [2021-03-12 09:51:52,546 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 105 [2021-03-12 09:51:52,928 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 101 [2021-03-12 09:51:53,307 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2021-03-12 09:51:53,731 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 115 [2021-03-12 09:51:53,942 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2021-03-12 09:51:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-03-12 09:51:54,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984337684] [2021-03-12 09:51:54,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298109860] [2021-03-12 09:51:54,947 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:51:55,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:51:55,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:51:55,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 53 conjunts are in the unsatisfiable core [2021-03-12 09:51:55,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:51:57,283 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-12 09:51:57,521 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-12 09:51:57,846 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2021-03-12 09:51:58,486 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-03-12 09:51:58,927 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-03-12 09:51:59,421 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-03-12 09:52:00,527 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 185 [2021-03-12 09:52:01,178 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-03-12 09:52:02,243 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 178 [2021-03-12 09:52:02,861 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-03-12 09:52:03,507 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-03-12 09:52:04,190 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-03-12 09:52:04,955 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-03-12 09:52:05,792 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-03-12 09:52:06,713 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-03-12 09:52:07,785 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-12 09:52:08,839 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-03-12 09:52:09,919 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-12 09:52:10,972 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-12 09:52:12,063 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-12 09:52:14,221 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 349 DAG size of output: 265 [2021-03-12 09:52:15,349 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-03-12 09:52:16,493 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-03-12 09:52:18,590 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-03-12 09:52:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:52:19,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:52:19,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 45] total 81 [2021-03-12 09:52:19,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981344149] [2021-03-12 09:52:19,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-03-12 09:52:19,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:52:19,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-03-12 09:52:19,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=6012, Unknown=0, NotChecked=0, Total=6642 [2021-03-12 09:52:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:52:19,057 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:52:19,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.0853658536585367) internal successors, (171), 81 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:52:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 09:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:52:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:52:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 09:52:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 09:52:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:52:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 09:52:25,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable477 [2021-03-12 09:52:25,558 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:52:25,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:52:25,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1399252260, now seen corresponding path program 17 times [2021-03-12 09:52:25,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:52:25,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344067127] [2021-03-12 09:52:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:52:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:52:27,632 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2021-03-12 09:52:27,881 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2021-03-12 09:53:17,759 WARN L205 SmtUtils]: Spent 49.68 s on a formula simplification. DAG size of input: 248 DAG size of output: 139 [2021-03-12 09:53:18,038 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 46 Received shutdown request... [2021-03-12 09:54:09,524 WARN L205 SmtUtils]: Spent 51.48 s on a formula simplification. DAG size of input: 270 DAG size of output: 137 [2021-03-12 09:54:09,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable532 [2021-03-12 09:54:09,544 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 09:54:09,553 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 09:54:09,553 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:54:09 BasicIcfg [2021-03-12 09:54:09,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 09:54:09,554 INFO L168 Benchmark]: Toolchain (without parser) took 866366.71 ms. Allocated memory was 255.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 236.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-03-12 09:54:09,554 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 171.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 09:54:09,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.17 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 09:54:09,554 INFO L168 Benchmark]: Boogie Preprocessor took 18.86 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 09:54:09,554 INFO L168 Benchmark]: RCFGBuilder took 314.10 ms. Allocated memory is still 255.9 MB. Free memory was 233.3 MB in the beginning and 234.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. [2021-03-12 09:54:09,554 INFO L168 Benchmark]: TraceAbstraction took 866005.23 ms. Allocated memory was 255.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 234.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-03-12 09:54:09,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 171.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.17 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.86 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 314.10 ms. Allocated memory is still 255.9 MB. Free memory was 233.3 MB in the beginning and 234.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 866005.23 ms. Allocated memory was 255.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 234.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6727, positive: 5459, positive conditional: 5459, positive unconditional: 0, negative: 1268, negative conditional: 1268, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5800, positive: 5459, positive conditional: 5459, positive unconditional: 0, negative: 341, negative conditional: 341, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5800, positive: 5123, positive conditional: 0, positive unconditional: 5123, negative: 677, negative conditional: 0, negative unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5800, positive: 5048, positive conditional: 0, positive unconditional: 5048, negative: 670, negative conditional: 0, negative unconditional: 670, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308, SemanticConditionEliminator.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5127, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 4791, negative conditional: 1483, negative unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 109, negative conditional: 102, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 753, positive: 120, positive conditional: 80, positive unconditional: 40, negative: 633, negative conditional: 533, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5127, positive: 321, positive conditional: 321, positive unconditional: 0, negative: 4689, negative conditional: 1381, negative unconditional: 3308, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 90, Positive conditional cache size: 15, Positive unconditional cache size: 75, Negative cache size: 109, Negative conditional cache size: 102, Negative unconditional cache size: 7, Eliminated conditions: 3308 ], Maximal queried relation: 17, Independence queries for same thread: 927 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 78). Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 30,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 10 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 865942.0ms, OverallIterations: 18, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 20940.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 352, 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: 97.8ms SsaConstructionTime, 1078.6ms SatisfiabilityAnalysisTime, 736609.4ms InterpolantComputationTime, 1583 NumberOfCodeBlocks, 1583 NumberOfCodeBlocksAsserted, 100 NumberOfCheckSat, 1553 ConstructedInterpolants, 0 QuantifiedInterpolants, 224183 SizeOfPredicates, 83 NumberOfNonLiveVariables, 1117 ConjunctsInSsa, 413 ConjunctsInUnsatCore, 30 InterpolantComputations, 4 PerfectInterpolantSequences, 485/5779 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown