/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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 19:56:59,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 19:56:59,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 19:56:59,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 19:56:59,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 19:56:59,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 19:56:59,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 19:56:59,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 19:56:59,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 19:56:59,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 19:56:59,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 19:56:59,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 19:56:59,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 19:56:59,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 19:56:59,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 19:56:59,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 19:56:59,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 19:56:59,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 19:56:59,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 19:56:59,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 19:56:59,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 19:56:59,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 19:56:59,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 19:56:59,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 19:56:59,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-03 19:57:00,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 19:57:00,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 19:57:00,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 19:57:00,006 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-POR-DelaySleep-NoLbe.epf [2021-05-03 19:57:00,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 19:57:00,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 19:57:00,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 19:57:00,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 19:57:00,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 19:57:00,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 19:57:00,075 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 19:57:00,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 19:57:00,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 19:57:00,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 19:57:00,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 19:57:00,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 19:57:00,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 19:57:00,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 19:57:00,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 19:57:00,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 19:57:00,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 19:57:00,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 19:57:00,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 19:57:00,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 19:57:00,079 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 19:57:00,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 19:57:00,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 19:57:00,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 19:57:00,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 19:57:00,728 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 19:57:00,739 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 19:57:00,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2021-05-03 19:57:00,740 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2021-05-03 19:57:00,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 19:57:00,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 19:57:00,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 19:57:00,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 19:57:00,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 19:57:00,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 19:57:00,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 19:57:00,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 19:57:00,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 19:57:00,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/1) ... [2021-05-03 19:57:00,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 19:57:00,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 19:57:00,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 19:57:00,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 19:57:00,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (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 [2021-05-03 19:57:01,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 19:57:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 19:57:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 19:57:01,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 19:57:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 19:57:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 19:57:01,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 19:57:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 19:57:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 19:57:01,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 19:57:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 19:57:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 19:57:01,040 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 19:57:01,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 19:57:01,234 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 19:57:01,236 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:57:01 BoogieIcfgContainer [2021-05-03 19:57:01,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 19:57:01,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 19:57:01,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 19:57:01,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 19:57:01,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:57:00" (1/2) ... [2021-05-03 19:57:01,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ff712b and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:57:01, skipping insertion in model container [2021-05-03 19:57:01,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:57:01" (2/2) ... [2021-05-03 19:57:01,242 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-05-03 19:57:01,247 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 19:57:01,247 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 19:57:01,251 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 19:57:01,252 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 19:57:01,288 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 19:57:01,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-05-03 19:57:01,383 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 19:57:01,383 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 19:57:01,383 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 19:57:01,384 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 19:57:01,384 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 19:57:01,384 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 19:57:01,384 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 19:57:01,393 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 19:57:01,461 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:01,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1421528455, now seen corresponding path program 1 times [2021-05-03 19:57:01,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:01,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408645089] [2021-05-03 19:57:01,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:01,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408645089] [2021-05-03 19:57:01,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:57:01,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 19:57:01,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024260324] [2021-05-03 19:57:01,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 19:57:01,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:01,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 19:57:01,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 19:57:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:01,610 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:01,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:57:01,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:01,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:01,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 19:57:01,640 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:01,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:01,641 INFO L82 PathProgramCache]: Analyzing trace with hash 690038743, now seen corresponding path program 1 times [2021-05-03 19:57:01,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:01,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524041651] [2021-05-03 19:57:01,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:57:01,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524041651] [2021-05-03 19:57:01,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 19:57:01,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 19:57:01,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697607065] [2021-05-03 19:57:01,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 19:57:01,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:01,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 19:57:01,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-03 19:57:01,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:01,701 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:01,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:57:01,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:01,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:01,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 19:57:01,739 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:01,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:01,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2139358133, now seen corresponding path program 1 times [2021-05-03 19:57:01,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:01,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582414927] [2021-05-03 19:57:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:02,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582414927] [2021-05-03 19:57:02,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589397397] [2021-05-03 19:57:02,021 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 [2021-05-03 19:57:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:02,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 19:57:02,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:02,411 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 19:57:02,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 66 [2021-05-03 19:57:02,424 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:02,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:02,441 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 19:57:02,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-05-03 19:57:02,450 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:02,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:02,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-05-03 19:57:02,462 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 19:57:02,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:02,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:57:02,468 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-05-03 19:57:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:02,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:02,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 19:57:02,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407584961] [2021-05-03 19:57:02,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-03 19:57:02,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:02,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-03 19:57:02,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-05-03 19:57:02,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:02,513 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:02,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:57:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:02,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:02,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:02,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:02,933 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:02,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:02,934 INFO L82 PathProgramCache]: Analyzing trace with hash 428481043, now seen corresponding path program 2 times [2021-05-03 19:57:02,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:02,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496392135] [2021-05-03 19:57:02,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:02,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496392135] [2021-05-03 19:57:02,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782374052] [2021-05-03 19:57:02,996 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 [2021-05-03 19:57:03,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:57:03,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:57:03,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 19:57:03,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:03,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:03,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 19:57:03,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740993020] [2021-05-03 19:57:03,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 19:57:03,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:03,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 19:57:03,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-03 19:57:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:03,135 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:03,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:57:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:03,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:03,523 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:03,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:03,524 INFO L82 PathProgramCache]: Analyzing trace with hash -59020201, now seen corresponding path program 1 times [2021-05-03 19:57:03,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:03,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196820996] [2021-05-03 19:57:03,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:57:03,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196820996] [2021-05-03 19:57:03,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316869018] [2021-05-03 19:57:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:03,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 19:57:03,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:57:03,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:03,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 19:57:03,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930328857] [2021-05-03 19:57:03,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 19:57:03,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:03,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 19:57:03,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-03 19:57:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:03,775 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:03,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:57:03,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:03,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:03,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:03,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:03,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:04,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:04,101 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:04,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:04,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1348287435, now seen corresponding path program 2 times [2021-05-03 19:57:04,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:04,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903311718] [2021-05-03 19:57:04,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:04,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903311718] [2021-05-03 19:57:04,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371458691] [2021-05-03 19:57:04,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:04,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:57:04,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:57:04,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-03 19:57:04,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:04,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:57:04,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-05-03 19:57:04,895 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:04,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:04,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:57:04,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-05-03 19:57:04,913 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:04,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:04,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:04,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 49 [2021-05-03 19:57:04,974 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 19:57:05,018 INFO L628 ElimStorePlain]: treesize reduction 56, result has 36.4 percent of original size [2021-05-03 19:57:05,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:57:05,023 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-05-03 19:57:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:05,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:05,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-05-03 19:57:05,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482826854] [2021-05-03 19:57:05,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-03 19:57:05,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:05,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-03 19:57:05,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-05-03 19:57:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:05,052 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:05,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 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) [2021-05-03 19:57:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:05,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:05,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:05,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:05,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-03 19:57:05,854 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:05,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:05,854 INFO L82 PathProgramCache]: Analyzing trace with hash 911449235, now seen corresponding path program 3 times [2021-05-03 19:57:05,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:05,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102840683] [2021-05-03 19:57:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:05,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102840683] [2021-05-03 19:57:05,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607299094] [2021-05-03 19:57:05,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-05-03 19:57:05,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 19:57:05,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:57:05,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 19:57:05,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:06,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:06,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-03 19:57:06,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768118045] [2021-05-03 19:57:06,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 19:57:06,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:06,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 19:57:06,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-03 19:57:06,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:06,136 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:06,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 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) [2021-05-03 19:57:06,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:06,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:06,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:06,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:06,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:06,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:06,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:06,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:57:06,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:06,858 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:06,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:06,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1145065769, now seen corresponding path program 4 times [2021-05-03 19:57:06,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:06,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370574085] [2021-05-03 19:57:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:57:06,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370574085] [2021-05-03 19:57:06,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263417511] [2021-05-03 19:57:06,957 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:07,000 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 19:57:07,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:57:07,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 19:57:07,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:57:07,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:07,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 19:57:07,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618736719] [2021-05-03 19:57:07,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 19:57:07,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:07,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 19:57:07,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-03 19:57:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:07,159 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:07,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:57:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:57:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:07,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:07,509 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:57:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:57:07,509 INFO L82 PathProgramCache]: Analyzing trace with hash 754469045, now seen corresponding path program 5 times [2021-05-03 19:57:07,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:57:07,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76305714] [2021-05-03 19:57:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:57:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:57:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:07,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76305714] [2021-05-03 19:57:07,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099907357] [2021-05-03 19:57:07,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:57:08,038 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 19:57:08,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:57:08,039 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-05-03 19:57:08,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:57:16,041 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-05-03 19:57:16,612 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-05-03 19:57:17,986 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 44 [2021-05-03 19:57:18,363 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 19:57:18,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:57:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-05-03 19:57:18,449 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:18,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:18,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:57:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:57:18,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-05-03 19:57:18,475 INFO L550 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:18,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:18,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:57:18,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 137 [2021-05-03 19:57:19,111 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 210 [2021-05-03 19:57:19,328 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-05-03 19:57:19,515 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-05-03 19:57:20,065 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-05-03 19:57:20,984 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-05-03 19:57:21,155 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-05-03 19:57:21,282 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-05-03 19:57:21,411 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-05-03 19:57:21,517 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 261 [2021-05-03 19:57:21,865 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-05-03 19:57:22,588 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-05-03 19:57:22,784 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-05-03 19:57:22,888 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-05-03 19:57:25,111 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2021-05-03 19:57:25,112 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-05-03 19:57:26,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:57:26,561 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:106, output treesize:3 [2021-05-03 19:57:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:57:26,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:57:26,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-05-03 19:57:26,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603566621] [2021-05-03 19:57:26,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-03 19:57:26,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:57:26,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-03 19:57:26,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=741, Unknown=4, NotChecked=0, Total=870 [2021-05-03 19:57:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:57:26,594 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:57:26,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 30 states have internal predecessors, (67), 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) [2021-05-03 19:57:26,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:57:26,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:58:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:58:34,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 19:58:34,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-05-03 19:58:34,669 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:58:34,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:58:34,670 INFO L82 PathProgramCache]: Analyzing trace with hash -127394481, now seen corresponding path program 6 times [2021-05-03 19:58:34,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:58:34,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51711568] [2021-05-03 19:58:34,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:58:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:58:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:58:34,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51711568] [2021-05-03 19:58:34,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213275477] [2021-05-03 19:58:34,859 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 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 [2021-05-03 19:58:34,894 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-03 19:58:34,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:58:34,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 19:58:34,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:58:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:58:35,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:58:35,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-05-03 19:58:35,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201262224] [2021-05-03 19:58:35,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-03 19:58:35,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:58:35,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-03 19:58:35,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-05-03 19:58:35,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:58:35,188 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:58:35,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 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) [2021-05-03 19:58:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:58:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:58:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:58:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:58:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:58:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:58:35,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:58:35,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:58:35,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-03 19:58:35,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 19:58:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 19:58:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:58:35,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:58:35,641 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:58:35,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:58:35,641 INFO L82 PathProgramCache]: Analyzing trace with hash 726661421, now seen corresponding path program 7 times [2021-05-03 19:58:35,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:58:35,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123135849] [2021-05-03 19:58:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:58:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:58:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:58:36,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123135849] [2021-05-03 19:58:36,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508716631] [2021-05-03 19:58:36,584 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 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 [2021-05-03 19:58:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:58:36,646 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-03 19:58:36,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:58:37,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:58:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:58:37,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:58:37,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 109 [2021-05-03 19:58:37,637 INFO L550 ElimStorePlain]: Start of recursive call 2: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-05-03 19:58:37,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:58:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:58:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:58:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:58:37,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:58:37,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 77 [2021-05-03 19:58:37,665 INFO L550 ElimStorePlain]: Start of recursive call 3: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-05-03 19:58:37,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:58:37,843 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-05-03 19:58:37,844 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:58:37,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 77 treesize of output 273 [2021-05-03 19:58:38,200 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-05-03 19:58:38,506 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-05-03 19:58:38,779 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-05-03 19:58:39,087 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 245 [2021-05-03 19:58:39,785 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 248 [2021-05-03 19:58:40,479 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 257 [2021-05-03 19:58:41,213 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 247 [2021-05-03 19:58:41,474 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2021-05-03 19:58:41,591 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-05-03 19:58:42,042 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 300 [2021-05-03 19:58:42,280 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 350 [2021-05-03 19:58:42,811 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 404 [2021-05-03 19:58:43,766 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 458 [2021-05-03 19:58:45,920 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 615 DAG size of output: 533 [2021-05-03 19:58:50,752 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 701 DAG size of output: 614 [2021-05-03 19:59:00,938 WARN L205 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-05-03 19:59:11,050 WARN L205 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-05-03 19:59:21,252 WARN L205 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 784 DAG size of output: 694 [2021-05-03 19:59:30,376 WARN L205 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 674 DAG size of output: 673 [2021-05-03 19:59:34,529 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2021-05-03 19:59:35,103 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 234 [2021-05-03 19:59:35,652 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 222 [2021-05-03 19:59:36,220 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 220 [2021-05-03 19:59:36,774 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 219 [2021-05-03 19:59:37,812 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 414 [2021-05-03 19:59:39,891 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 522 DAG size of output: 479 [2021-05-03 19:59:44,438 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 581 DAG size of output: 537 [2021-05-03 19:59:54,280 WARN L205 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 592 DAG size of output: 548 [2021-05-03 19:59:56,099 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2021-05-03 19:59:56,868 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 463 [2021-05-03 19:59:57,997 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 418 DAG size of output: 454 [2021-05-03 19:59:59,132 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 413 DAG size of output: 444 [2021-05-03 19:59:59,480 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 405 [2021-05-03 19:59:59,967 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2021-05-03 20:00:00,118 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 351 [2021-05-03 20:00:00,839 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 417 [2021-05-03 20:00:01,425 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 584 [2021-05-03 20:00:02,252 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 691 [2021-05-03 20:00:04,228 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 936 DAG size of output: 878 [2021-05-03 20:00:08,812 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1067 [2021-05-03 20:00:19,217 WARN L205 SmtUtils]: Spent 10.40 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1222 [2021-05-03 20:00:19,639 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-05-03 20:00:19,893 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 313 [2021-05-03 20:00:20,486 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 367 [2021-05-03 20:00:21,752 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 415 DAG size of output: 376 [2021-05-03 20:00:45,569 WARN L205 SmtUtils]: Spent 23.81 s on a formula simplification. DAG size of input: 1504 DAG size of output: 1417 [2021-05-03 20:00:46,247 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 233 [2021-05-03 20:00:46,847 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 221 [2021-05-03 20:00:47,053 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-05-03 20:00:47,349 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 204 [2021-05-03 20:00:47,622 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 199 [2021-05-03 20:00:48,192 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 354 [2021-05-03 20:00:49,253 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 452 DAG size of output: 412 [2021-05-03 20:00:51,620 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 527 DAG size of output: 467 [2021-05-03 20:00:56,664 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 584 DAG size of output: 523 [2021-05-03 20:01:07,817 WARN L205 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 598 DAG size of output: 537 [2021-05-03 20:02:10,478 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 1872 DAG size of output: 1747 [2021-05-03 20:04:33,326 WARN L205 SmtUtils]: Spent 2.38 m on a formula simplification. DAG size of input: 2223 DAG size of output: 2078 [2021-05-03 20:04:33,572 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 212 [2021-05-03 20:04:33,885 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 184 [2021-05-03 20:04:34,209 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 215 [2021-05-03 20:04:34,313 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 190 [2021-05-03 20:04:34,925 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 346 [2021-05-03 20:04:35,477 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 394 [2021-05-03 20:04:36,621 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-05-03 20:04:36,756 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 171 [2021-05-03 20:04:39,252 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 549 DAG size of output: 505 [2021-05-03 20:04:44,578 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 571 DAG size of output: 526 [2021-05-03 20:04:56,174 WARN L205 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 661 DAG size of output: 602 [2021-05-03 20:10:03,013 WARN L205 SmtUtils]: Spent 5.11 m on a formula simplification. DAG size of input: 2580 DAG size of output: 2421 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown