/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 03:36:30,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 03:36:30,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 03:36:30,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 03:36:30,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 03:36:30,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 03:36:30,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 03:36:30,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 03:36:30,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 03:36:30,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 03:36:30,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 03:36:30,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-03-13 03:36:30,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-13 03:36:30,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-13 03:36:30,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-13 03:36:30,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-13 03:36:30,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-03-13 03:36:30,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 03:36:30,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 03:36:30,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 03:36:30,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf [2021-03-13 03:36:30,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 03:36:30,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 03:36:30,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 03:36:30,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 03:36:30,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 03:36:30,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 03:36:30,435 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 03:36:30,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 03:36:30,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 03:36:30,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 03:36:30,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 03:36:30,438 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 03:36:30,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 03:36:30,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 03:36:30,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 03:36:30,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 03:36:30,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 03:36:30,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 03:36:30,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 03:36:30,439 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 03:36:30,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 03:36:30,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 03:36:30,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 03:36:30,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 03:36:30,772 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 03:36:30,773 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 03:36:30,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl [2021-03-13 03:36:30,774 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl' [2021-03-13 03:36:30,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 03:36:31,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 03:36:31,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 03:36:31,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 03:36:31,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 03:36:31,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 03:36:31,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 03:36:31,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 03:36:31,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 03:36:31,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... [2021-03-13 03:36:31,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 03:36:31,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 03:36:31,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 03:36:31,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 03:36:31,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 03:36:31,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 03:36:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 03:36:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 03:36:31,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 03:36:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 03:36:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 03:36:31,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 03:36:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 03:36:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 03:36:31,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 03:36:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 03:36:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 03:36:31,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-13 03:36:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-13 03:36:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-13 03:36:31,127 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 03:36:31,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 03:36:31,303 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 03:36:31,305 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 03:36:31 BoogieIcfgContainer [2021-03-13 03:36:31,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 03:36:31,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 03:36:31,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 03:36:31,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 03:36:31,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:36:30" (1/2) ... [2021-03-13 03:36:31,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeadd65 and model type counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 03:36:31, skipping insertion in model container [2021-03-13 03:36:31,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 03:36:31" (2/2) ... [2021-03-13 03:36:31,310 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-add-4-semi-Q67.wvr.bpl [2021-03-13 03:36:31,314 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 03:36:31,315 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 03:36:31,317 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 03:36:31,318 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 03:36:31,376 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-13 03:36:31,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 03:36:31,467 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 03:36:31,467 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 03:36:31,467 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 03:36:31,467 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 03:36:31,468 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 03:36:31,468 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 03:36:31,468 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 03:36:31,468 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 03:36:31,483 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 03:36:31,484 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 102 flow [2021-03-13 03:36:31,486 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 102 flow [2021-03-13 03:36:31,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-03-13 03:36:31,510 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-13 03:36:31,510 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-13 03:36:31,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 50 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-13 03:36:31,516 INFO L116 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-13 03:36:31,770 INFO L131 LiptonReduction]: Checked pairs total: 252 [2021-03-13 03:36:31,770 INFO L133 LiptonReduction]: Total number of compositions: 13 [2021-03-13 03:36:31,898 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:31,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:31,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1995188471, now seen corresponding path program 1 times [2021-03-13 03:36:31,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:31,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017187900] [2021-03-13 03:36:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:36:32,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017187900] [2021-03-13 03:36:32,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:36:32,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 03:36:32,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361928837] [2021-03-13 03:36:32,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 03:36:32,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:32,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 03:36:32,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 03:36:32,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,074 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:32,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 03:36:32,154 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 971702211, now seen corresponding path program 1 times [2021-03-13 03:36:32,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:32,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673983509] [2021-03-13 03:36:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:36:32,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673983509] [2021-03-13 03:36:32,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:36:32,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 03:36:32,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952172257] [2021-03-13 03:36:32,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 03:36:32,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:32,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 03:36:32,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-13 03:36:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,247 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:32,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:32,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 03:36:32,306 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:32,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:32,307 INFO L82 PathProgramCache]: Analyzing trace with hash -495087272, now seen corresponding path program 1 times [2021-03-13 03:36:32,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:32,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932813645] [2021-03-13 03:36:32,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:36:32,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932813645] [2021-03-13 03:36:32,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:36:32,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 03:36:32,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199069132] [2021-03-13 03:36:32,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 03:36:32,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:32,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 03:36:32,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-13 03:36:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,344 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:32,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:32,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 03:36:32,405 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:32,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:32,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1218936926, now seen corresponding path program 1 times [2021-03-13 03:36:32,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:32,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380593021] [2021-03-13 03:36:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:36:32,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380593021] [2021-03-13 03:36:32,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:36:32,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 03:36:32,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855561899] [2021-03-13 03:36:32,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 03:36:32,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:32,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 03:36:32,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-13 03:36:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,432 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:32,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 03:36:32,494 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:32,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:32,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1155825850, now seen corresponding path program 1 times [2021-03-13 03:36:32,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:32,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547098007] [2021-03-13 03:36:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:36:32,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547098007] [2021-03-13 03:36:32,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45370966] [2021-03-13 03:36:32,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:32,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-13 03:36:32,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:36:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:36:32,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:36:32,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-13 03:36:32,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150473338] [2021-03-13 03:36:32,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-13 03:36:32,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:32,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-13 03:36:32,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-13 03:36:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:32,777 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:32,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.0) 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) [2021-03-13 03:36:32,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:32,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:32,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:33,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:33,383 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:33,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:33,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1294529184, now seen corresponding path program 2 times [2021-03-13 03:36:33,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:33,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172686311] [2021-03-13 03:36:33,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-13 03:36:33,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172686311] [2021-03-13 03:36:33,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986807375] [2021-03-13 03:36:33,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:33,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 03:36:33,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:36:33,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-13 03:36:33,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:36:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:36:33,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:36:33,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 15 [2021-03-13 03:36:33,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265240433] [2021-03-13 03:36:33,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-13 03:36:33,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:33,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-13 03:36:33,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-03-13 03:36:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:33,786 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:33,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 15 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:36:34,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:34,815 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:34,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:34,816 INFO L82 PathProgramCache]: Analyzing trace with hash -259439759, now seen corresponding path program 3 times [2021-03-13 03:36:34,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:34,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468857806] [2021-03-13 03:36:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 44 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:36:35,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468857806] [2021-03-13 03:36:35,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015218042] [2021-03-13 03:36:35,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:35,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-03-13 03:36:35,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:36:35,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-13 03:36:35,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:36:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 26 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-03-13 03:36:35,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:36:35,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 7] total 32 [2021-03-13 03:36:35,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958289644] [2021-03-13 03:36:35,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-13 03:36:35,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:35,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-13 03:36:35,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=918, Unknown=0, NotChecked=0, Total=1056 [2021-03-13 03:36:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:35,658 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:35,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.696969696969697) internal successors, (56), 32 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:36:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:41,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:41,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:36:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-03-13 03:36:42,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:42,087 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:42,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:42,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2070761461, now seen corresponding path program 4 times [2021-03-13 03:36:42,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:42,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672923390] [2021-03-13 03:36:42,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 117 proven. 21 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-03-13 03:36:42,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672923390] [2021-03-13 03:36:42,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036464056] [2021-03-13 03:36:42,320 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:42,428 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 03:36:42,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:36:42,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 96 conjunts are in the unsatisfiable core [2021-03-13 03:36:42,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:36:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 117 proven. 21 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-03-13 03:36:42,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:36:42,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-03-13 03:36:42,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141164982] [2021-03-13 03:36:42,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 03:36:42,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:42,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 03:36:42,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 03:36:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:42,837 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:42,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:42,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-03-13 03:36:42,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-03-13 03:36:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:36:43,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:43,679 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:36:43,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:36:43,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1542392405, now seen corresponding path program 5 times [2021-03-13 03:36:43,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:36:43,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284169247] [2021-03-13 03:36:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:36:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:36:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 1131 proven. 622 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-03-13 03:36:47,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284169247] [2021-03-13 03:36:47,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618306410] [2021-03-13 03:36:47,189 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:36:47,526 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2021-03-13 03:36:47,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:36:47,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 41 conjunts are in the unsatisfiable core [2021-03-13 03:36:47,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:36:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 738 proven. 773 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-03-13 03:36:48,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:36:48,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 17] total 93 [2021-03-13 03:36:48,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203064364] [2021-03-13 03:36:48,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-03-13 03:36:48,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:36:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-03-13 03:36:48,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1559, Invalid=7183, Unknown=0, NotChecked=0, Total=8742 [2021-03-13 03:36:48,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:36:48,622 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:36:48,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 1.5957446808510638) internal successors, (150), 93 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:36:48,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:37:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:37:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:37:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 378 states. [2021-03-13 03:37:11,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:37:11,841 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:37:11,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:37:11,842 INFO L82 PathProgramCache]: Analyzing trace with hash -2110616875, now seen corresponding path program 6 times [2021-03-13 03:37:11,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:37:11,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490835344] [2021-03-13 03:37:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:37:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:37:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7710 backedges. 5098 proven. 2475 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-03-13 03:37:23,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490835344] [2021-03-13 03:37:23,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613086242] [2021-03-13 03:37:23,970 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:37:24,338 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 56 check-sat command(s) [2021-03-13 03:37:24,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:37:24,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 71 conjunts are in the unsatisfiable core [2021-03-13 03:37:24,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:37:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7710 backedges. 2924 proven. 3203 refuted. 0 times theorem prover too weak. 1583 trivial. 0 not checked. [2021-03-13 03:37:27,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:37:27,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 29] total 163 [2021-03-13 03:37:27,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042257419] [2021-03-13 03:37:27,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-03-13 03:37:27,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:37:27,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-03-13 03:37:27,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6979, Invalid=19753, Unknown=0, NotChecked=0, Total=26732 [2021-03-13 03:37:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:37:27,191 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:37:27,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 164 states, 164 states have (on average 1.548780487804878) internal successors, (254), 163 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:37:27,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 378 states. [2021-03-13 03:37:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:38:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-03-13 03:38:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:38:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2021-03-13 03:38:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 608 states. [2021-03-13 03:38:16,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-13 03:38:16,916 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:38:16,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:38:16,917 INFO L82 PathProgramCache]: Analyzing trace with hash -48096841, now seen corresponding path program 7 times [2021-03-13 03:38:16,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:38:16,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958250513] [2021-03-13 03:38:16,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:38:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:38:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 15266 backedges. 912 proven. 677 refuted. 0 times theorem prover too weak. 13677 trivial. 0 not checked. [2021-03-13 03:38:17,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958250513] [2021-03-13 03:38:17,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108570276] [2021-03-13 03:38:17,838 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:38:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:38:18,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 1775 conjuncts, 274 conjunts are in the unsatisfiable core [2021-03-13 03:38:18,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:38:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 15266 backedges. 912 proven. 677 refuted. 0 times theorem prover too weak. 13677 trivial. 0 not checked. [2021-03-13 03:38:19,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:38:19,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-03-13 03:38:19,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142076316] [2021-03-13 03:38:19,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 03:38:19,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:38:19,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 03:38:19,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-13 03:38:19,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:38:19,368 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:38:19,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:38:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:38:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:38:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:38:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-03-13 03:38:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:38:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 396 states. [2021-03-13 03:38:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 608 states. [2021-03-13 03:38:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:38:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 407 states. [2021-03-13 03:38:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 612 states. [2021-03-13 03:38:21,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:38:21,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-13 03:38:21,309 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:38:21,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:38:21,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1573658797, now seen corresponding path program 8 times [2021-03-13 03:38:21,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:38:21,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965982143] [2021-03-13 03:38:21,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:38:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:38:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17216 backedges. 13076 proven. 3908 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-03-13 03:38:57,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965982143] [2021-03-13 03:38:57,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134000373] [2021-03-13 03:38:57,033 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:38:57,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 03:38:57,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:38:57,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 230 conjunts are in the unsatisfiable core [2021-03-13 03:38:57,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:39:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17216 backedges. 366 proven. 9683 refuted. 0 times theorem prover too weak. 7167 trivial. 0 not checked. [2021-03-13 03:39:00,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:39:00,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [222, 12] total 233 [2021-03-13 03:39:00,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494683829] [2021-03-13 03:39:00,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 234 states [2021-03-13 03:39:00,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:39:00,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2021-03-13 03:39:00,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19283, Invalid=35239, Unknown=0, NotChecked=0, Total=54522 [2021-03-13 03:39:00,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:39:00,643 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:39:00,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 234 states, 234 states have (on average 1.2820512820512822) internal successors, (300), 233 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:39:00,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:39:00,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:39:00,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:39:00,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 407 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 612 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:39:00,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:39:11,705 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:39:50,251 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:42:03,281 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-03-13 03:42:51,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-03-13 03:42:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:42:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 410 states. [2021-03-13 03:42:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 615 states. [2021-03-13 03:42:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:42:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 918 states. [2021-03-13 03:42:51,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:42:51,905 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:42:51,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:42:51,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1352530073, now seen corresponding path program 9 times [2021-03-13 03:42:51,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:42:51,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082569368] [2021-03-13 03:42:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:42:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:46:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30916 backedges. 26281 proven. 4396 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-03-13 03:46:25,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082569368] [2021-03-13 03:46:25,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043679480] [2021-03-13 03:46:25,819 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:46:26,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s) [2021-03-13 03:46:26,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:46:26,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 77 conjunts are in the unsatisfiable core [2021-03-13 03:46:26,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:46:41,831 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-03-13 03:46:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 30916 backedges. 4104 proven. 12552 refuted. 0 times theorem prover too weak. 14260 trivial. 0 not checked. [2021-03-13 03:46:54,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:46:54,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [312, 28] total 339 [2021-03-13 03:46:54,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782486099] [2021-03-13 03:46:54,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 340 states [2021-03-13 03:46:54,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:46:54,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 340 interpolants. [2021-03-13 03:46:54,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43072, Invalid=72188, Unknown=0, NotChecked=0, Total=115260 [2021-03-13 03:46:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:46:54,790 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:46:54,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 340 states, 340 states have (on average 1.2676470588235293) internal successors, (431), 339 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:46:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:46:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:46:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:46:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:46:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 03:46:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 410 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 615 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 918 states. [2021-03-13 03:46:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:47:10,203 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:49:06,608 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:49:16,789 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:49:28,460 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:49:35,843 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-13 03:49:46,039 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 Received shutdown request... [2021-03-13 03:49:54,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:49:54,742 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-13 03:49:54,753 WARN L224 ceAbstractionStarter]: Timeout [2021-03-13 03:49:54,753 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 03:49:54 BasicIcfg [2021-03-13 03:49:54,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 03:49:54,753 INFO L168 Benchmark]: Toolchain (without parser) took 803880.97 ms. Allocated memory was 352.3 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 332.7 MB in the beginning and 932.5 MB in the end (delta: -599.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-03-13 03:49:54,753 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 352.3 MB. Free memory was 333.9 MB in the beginning and 333.8 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:49:54,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.84 ms. Allocated memory is still 352.3 MB. Free memory was 332.2 MB in the beginning and 330.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:49:54,753 INFO L168 Benchmark]: Boogie Preprocessor took 16.95 ms. Allocated memory is still 352.3 MB. Free memory was 330.7 MB in the beginning and 329.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-13 03:49:54,754 INFO L168 Benchmark]: RCFGBuilder took 240.44 ms. Allocated memory is still 352.3 MB. Free memory was 329.7 MB in the beginning and 315.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-13 03:49:54,754 INFO L168 Benchmark]: TraceAbstraction took 803446.94 ms. Allocated memory was 352.3 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 315.0 MB in the beginning and 932.5 MB in the end (delta: -617.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-03-13 03:49:54,754 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 352.3 MB. Free memory was 333.9 MB in the beginning and 333.8 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.84 ms. Allocated memory is still 352.3 MB. Free memory was 332.2 MB in the beginning and 330.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.95 ms. Allocated memory is still 352.3 MB. Free memory was 330.7 MB in the beginning and 329.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 240.44 ms. Allocated memory is still 352.3 MB. Free memory was 329.7 MB in the beginning and 315.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 803446.94 ms. Allocated memory was 352.3 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 315.0 MB in the beginning and 932.5 MB in the end (delta: -617.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.3ms, 44 PlacesBefore, 32 PlacesAfterwards, 35 TransitionsBefore, 23 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 2 FixpointIterations, 5 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 252, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 52937, positive: 39291, positive conditional: 39291, positive unconditional: 0, negative: 13646, negative conditional: 13646, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 45347, positive: 39291, positive conditional: 39291, positive unconditional: 0, negative: 6056, negative conditional: 6056, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 45347, positive: 39291, positive conditional: 0, positive unconditional: 39291, negative: 6056, negative conditional: 0, negative unconditional: 6056, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45347, positive: 39251, positive conditional: 0, positive unconditional: 39251, negative: 6052, negative conditional: 0, negative unconditional: 6052, unknown: 44, unknown conditional: 0, unknown unconditional: 44] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888, SemanticConditionEliminator.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62641, negative conditional: 43753, negative unconditional: 18888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3434, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3430, negative conditional: 3426, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15066, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 15040, negative conditional: 14967, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62641, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59215, negative conditional: 40327, negative unconditional: 18888, unknown: 3426, unknown conditional: 3426, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3470, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3430, Negative conditional cache size: 3426, Negative unconditional cache size: 4, Eliminated conditions: 18888 ], Maximal queried relation: 13, Independence queries for same thread: 7590 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 80). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 752 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 803335.7ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 316.2ms, PartialOrderReductionTime: 493530.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2574, 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: 295.5ms SsaConstructionTime, 3299.9ms SatisfiabilityAnalysisTime, 303542.4ms InterpolantComputationTime, 3372 NumberOfCodeBlocks, 3196 NumberOfCodeBlocksAsserted, 189 NumberOfCheckSat, 3350 ConstructedInterpolants, 0 QuantifiedInterpolants, 34437 SizeOfPredicates, 13 NumberOfNonLiveVariables, 8023 ConjunctsInSsa, 818 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 109826/148970 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