/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 10:11:15,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 10:11:15,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 10:11:16,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 10:11:16,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 10:11:16,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 10:11:16,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 10:11:16,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 10:11:16,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 10:11:16,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 10:11:16,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 10:11:16,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 10:11:16,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 10:11:16,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 10:11:16,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 10:11:16,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 10:11:16,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 10:11:16,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 10:11:16,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 10:11:16,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 10:11:16,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 10:11:16,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 10:11:16,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 10:11:16,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 10:11:16,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-15 10:11:16,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 10:11:16,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 10:11:16,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 10:11:16,067 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-NewStatesSleep-NoLbe.epf [2021-04-15 10:11:16,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 10:11:16,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 10:11:16,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 10:11:16,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 10:11:16,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 10:11:16,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 10:11:16,098 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 10:11:16,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 10:11:16,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 10:11:16,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 10:11:16,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 10:11:16,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 10:11:16,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 10:11:16,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 10:11:16,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 10:11:16,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 10:11:16,101 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 10:11:16,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 10:11:16,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 10:11:16,102 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 10:11:16,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 10:11:16,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 10:11:16,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 10:11:16,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 10:11:16,357 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 10:11:16,358 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 10:11:16,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2021-04-15 10:11:16,358 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2021-04-15 10:11:16,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 10:11:16,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 10:11:16,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 10:11:16,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 10:11:16,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 10:11:16,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 10:11:16,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 10:11:16,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 10:11:16,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 10:11:16,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/1) ... [2021-04-15 10:11:16,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 10:11:16,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 10:11:16,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 10:11:16,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 10:11:16,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (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 [2021-04-15 10:11:16,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 10:11:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 10:11:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 10:11:16,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 10:11:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 10:11:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 10:11:16,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 10:11:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 10:11:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 10:11:16,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 10:11:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 10:11:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 10:11:16,485 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 10:11:16,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 10:11:16,672 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 10:11:16,673 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 10:11:16 BoogieIcfgContainer [2021-04-15 10:11:16,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 10:11:16,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 10:11:16,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 10:11:16,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 10:11:16,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:11:16" (1/2) ... [2021-04-15 10:11:16,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43311dbe and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 10:11:16, skipping insertion in model container [2021-04-15 10:11:16,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 10:11:16" (2/2) ... [2021-04-15 10:11:16,678 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2021-04-15 10:11:16,681 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 10:11:16,681 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 10:11:16,683 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 10:11:16,684 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 10:11:16,728 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-15 10:11:16,740 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 [2021-04-15 10:11:16,769 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 10:11:16,769 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 10:11:16,769 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 10:11:16,769 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 10:11:16,769 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 10:11:16,769 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 10:11:16,769 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 10:11:16,769 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 10:11:16,851 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:16,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:16,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1421528455, now seen corresponding path program 1 times [2021-04-15 10:11:16,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:16,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612116541] [2021-04-15 10:11:16,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:17,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612116541] [2021-04-15 10:11:17,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 10:11:17,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 10:11:17,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900184754] [2021-04-15 10:11:17,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 10:11:17,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:17,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 10:11:17,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 10:11:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:17,014 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:17,018 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) [2021-04-15 10:11:17,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:17,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 10:11:17,043 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:17,043 INFO L82 PathProgramCache]: Analyzing trace with hash 690038743, now seen corresponding path program 1 times [2021-04-15 10:11:17,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:17,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771932082] [2021-04-15 10:11:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:11:17,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771932082] [2021-04-15 10:11:17,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 10:11:17,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 10:11:17,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196352532] [2021-04-15 10:11:17,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 10:11:17,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:17,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 10:11:17,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 10:11:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:17,087 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:17,087 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) [2021-04-15 10:11:17,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:17,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:17,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:17,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 10:11:17,128 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:17,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:17,129 INFO L82 PathProgramCache]: Analyzing trace with hash 2139358133, now seen corresponding path program 1 times [2021-04-15 10:11:17,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:17,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876266860] [2021-04-15 10:11:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:17,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876266860] [2021-04-15 10:11:17,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94510947] [2021-04-15 10:11:17,396 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 [2021-04-15 10:11:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:17,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-15 10:11:17,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:11:17,694 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-04-15 10:11:17,695 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 [2021-04-15 10:11:17,711 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:17,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:17,726 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-04-15 10:11:17,726 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 [2021-04-15 10:11:17,736 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:17,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:17,747 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 [2021-04-15 10:11:17,753 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-04-15 10:11:17,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:17,758 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. [2021-04-15 10:11:17,759 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-04-15 10:11:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:17,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:17,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-04-15 10:11:17,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972987839] [2021-04-15 10:11:17,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-15 10:11:17,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:17,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-15 10:11:17,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-15 10:11:17,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:17,804 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:17,804 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) [2021-04-15 10:11:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:18,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:18,205 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:18,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:18,205 INFO L82 PathProgramCache]: Analyzing trace with hash 428481043, now seen corresponding path program 2 times [2021-04-15 10:11:18,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:18,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102769961] [2021-04-15 10:11:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:18,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102769961] [2021-04-15 10:11:18,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658458111] [2021-04-15 10:11:18,251 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 [2021-04-15 10:11:18,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 10:11:18,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:11:18,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-15 10:11:18,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:11:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:18,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:18,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-04-15 10:11:18,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974752904] [2021-04-15 10:11:18,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-15 10:11:18,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:18,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-15 10:11:18,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-04-15 10:11:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:18,402 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:18,402 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) [2021-04-15 10:11:18,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:18,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:18,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:18,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:18,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:18,789 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:18,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:18,789 INFO L82 PathProgramCache]: Analyzing trace with hash -59020201, now seen corresponding path program 1 times [2021-04-15 10:11:18,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:18,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519061810] [2021-04-15 10:11:18,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:11:18,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519061810] [2021-04-15 10:11:18,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528283074] [2021-04-15 10:11:18,864 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 [2021-04-15 10:11:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:18,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-15 10:11:18,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:11:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:11:18,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:18,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-15 10:11:18,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610415030] [2021-04-15 10:11:18,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 10:11:18,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:18,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 10:11:18,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-04-15 10:11:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:18,985 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:18,985 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) [2021-04-15 10:11:18,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:18,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:18,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:18,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:18,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:19,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:19,278 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:19,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:19,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1348287435, now seen corresponding path program 2 times [2021-04-15 10:11:19,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:19,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728947539] [2021-04-15 10:11:19,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:19,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728947539] [2021-04-15 10:11:19,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396853652] [2021-04-15 10:11:19,598 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 [2021-04-15 10:11:19,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 10:11:19,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:11:19,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-04-15 10:11:19,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:11:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:19,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:11:19,971 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 [2021-04-15 10:11:19,986 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:19,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:19,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:11:19,995 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 [2021-04-15 10:11:20,001 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:20,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:20,019 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:20,019 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 [2021-04-15 10:11:20,044 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-04-15 10:11:20,074 INFO L628 ElimStorePlain]: treesize reduction 56, result has 36.4 percent of original size [2021-04-15 10:11:20,077 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. [2021-04-15 10:11:20,078 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-04-15 10:11:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:20,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:20,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-04-15 10:11:20,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356504185] [2021-04-15 10:11:20,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-15 10:11:20,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:20,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-15 10:11:20,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-04-15 10:11:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:20,102 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:20,102 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) [2021-04-15 10:11:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:20,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:20,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:20,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-04-15 10:11:20,813 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:20,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:20,814 INFO L82 PathProgramCache]: Analyzing trace with hash 911449235, now seen corresponding path program 3 times [2021-04-15 10:11:20,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:20,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759052174] [2021-04-15 10:11:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:20,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759052174] [2021-04-15 10:11:20,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461089162] [2021-04-15 10:11:20,896 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) [2021-04-15 10:11:20,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-04-15 10:11:20,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:11:20,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 10:11:20,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:21,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:21,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-04-15 10:11:21,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131904482] [2021-04-15 10:11:21,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-15 10:11:21,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:21,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-15 10:11:21,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-04-15 10:11:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:21,073 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:21,074 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) [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:11:21,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:21,661 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:21,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:21,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1145065769, now seen corresponding path program 4 times [2021-04-15 10:11:21,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:21,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950867334] [2021-04-15 10:11:21,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:11:21,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950867334] [2021-04-15 10:11:21,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349975591] [2021-04-15 10:11:21,743 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) [2021-04-15 10:11:21,780 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 10:11:21,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:11:21,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:21,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:11:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:11:21,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:21,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-04-15 10:11:21,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609612248] [2021-04-15 10:11:21,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-15 10:11:21,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:21,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-15 10:11:21,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-04-15 10:11:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:21,900 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:21,900 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) [2021-04-15 10:11:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:11:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:11:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:22,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:11:22,241 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:11:22,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:11:22,241 INFO L82 PathProgramCache]: Analyzing trace with hash 754469045, now seen corresponding path program 5 times [2021-04-15 10:11:22,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:11:22,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81375530] [2021-04-15 10:11:22,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:11:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:11:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:22,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81375530] [2021-04-15 10:11:22,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974366264] [2021-04-15 10:11:22,685 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 [2021-04-15 10:11:22,713 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-04-15 10:11:22,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:11:22,714 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-04-15 10:11:22,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:11:30,962 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-15 10:11:31,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:11:31,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,287 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 [2021-04-15 10:11:31,290 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:31,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:31,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:11:31,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:11:31,304 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 [2021-04-15 10:11:31,307 INFO L550 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:31,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:31,377 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:11:31,377 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 [2021-04-15 10:11:31,829 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-04-15 10:11:32,278 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-04-15 10:11:32,836 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-04-15 10:11:32,958 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-04-15 10:11:33,504 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-04-15 10:11:34,032 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-04-15 10:11:34,289 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-04-15 10:11:36,280 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2021-04-15 10:11:36,281 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-04-15 10:11:37,387 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. [2021-04-15 10:11:37,388 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:106, output treesize:3 [2021-04-15 10:11:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:11:37,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:11:37,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-04-15 10:11:37,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116355140] [2021-04-15 10:11:37,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-04-15 10:11:37,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:11:37,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-04-15 10:11:37,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=741, Unknown=4, NotChecked=0, Total=870 [2021-04-15 10:11:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:11:37,413 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:11:37,413 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) [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:11:37,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:12:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:12:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-15 10:12:43,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-04-15 10:12:43,257 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:12:43,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:12:43,258 INFO L82 PathProgramCache]: Analyzing trace with hash -127394481, now seen corresponding path program 6 times [2021-04-15 10:12:43,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:12:43,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074233612] [2021-04-15 10:12:43,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:12:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:12:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:12:43,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074233612] [2021-04-15 10:12:43,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734743490] [2021-04-15 10:12:43,380 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 [2021-04-15 10:12:43,415 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-04-15 10:12:43,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:12:43,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-15 10:12:43,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:12:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:12:43,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:12:43,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-04-15 10:12:43,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838641252] [2021-04-15 10:12:43,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-04-15 10:12:43,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:12:43,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-04-15 10:12:43,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-04-15 10:12:43,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:12:43,684 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:12:43,684 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) [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-04-15 10:12:43,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:12:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-15 10:12:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:12:44,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:12:44,106 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:12:44,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:12:44,107 INFO L82 PathProgramCache]: Analyzing trace with hash 726661421, now seen corresponding path program 7 times [2021-04-15 10:12:44,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:12:44,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515068774] [2021-04-15 10:12:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:12:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:12:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:12:44,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515068774] [2021-04-15 10:12:44,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353686680] [2021-04-15 10:12:44,799 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 [2021-04-15 10:12:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:12:44,831 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-04-15 10:12:44,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:12:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:12:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:12:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:12:45,627 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 [2021-04-15 10:12:45,631 INFO L550 ElimStorePlain]: Start of recursive call 2: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-04-15 10:12:45,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:12:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:12:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:12:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:12:45,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:12:45,649 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 [2021-04-15 10:12:45,652 INFO L550 ElimStorePlain]: Start of recursive call 3: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-04-15 10:12:45,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:12:45,794 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-04-15 10:12:45,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:12:45,795 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 [2021-04-15 10:12:46,033 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-04-15 10:12:46,304 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-04-15 10:12:46,561 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-04-15 10:12:46,841 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 245 [2021-04-15 10:12:47,504 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 248 [2021-04-15 10:12:48,151 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 257 [2021-04-15 10:12:48,795 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 247 [2021-04-15 10:12:48,998 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2021-04-15 10:12:49,600 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 350 [2021-04-15 10:12:50,012 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 404 [2021-04-15 10:12:50,910 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 458 [2021-04-15 10:12:52,944 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 615 DAG size of output: 533 [2021-04-15 10:12:57,405 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 701 DAG size of output: 614 [2021-04-15 10:13:06,886 WARN L205 SmtUtils]: Spent 9.48 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-04-15 10:13:16,290 WARN L205 SmtUtils]: Spent 9.40 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-04-15 10:13:25,928 WARN L205 SmtUtils]: Spent 9.63 s on a formula simplification. DAG size of input: 784 DAG size of output: 694 [2021-04-15 10:13:34,524 WARN L205 SmtUtils]: Spent 8.59 s on a formula simplification. DAG size of input: 674 DAG size of output: 673 [2021-04-15 10:13:38,388 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2021-04-15 10:13:38,909 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 234 [2021-04-15 10:13:39,440 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 222 [2021-04-15 10:13:39,960 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 220 [2021-04-15 10:13:40,476 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 219 [2021-04-15 10:13:41,381 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 414 [2021-04-15 10:13:43,312 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 522 DAG size of output: 479 [2021-04-15 10:13:47,578 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 581 DAG size of output: 537 [2021-04-15 10:13:56,841 WARN L205 SmtUtils]: Spent 9.26 s on a formula simplification. DAG size of input: 592 DAG size of output: 548 [2021-04-15 10:13:58,579 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2021-04-15 10:13:59,300 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 463 [2021-04-15 10:14:00,364 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 418 DAG size of output: 454 [2021-04-15 10:14:01,487 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 413 DAG size of output: 444 [2021-04-15 10:14:01,823 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 405 [2021-04-15 10:14:02,221 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2021-04-15 10:14:02,366 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 351 [2021-04-15 10:14:02,934 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 417 [2021-04-15 10:14:03,402 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 584 [2021-04-15 10:14:04,180 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 691 [2021-04-15 10:14:06,010 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 936 DAG size of output: 878 [2021-04-15 10:14:10,231 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1067 [2021-04-15 10:14:19,608 WARN L205 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1222 [2021-04-15 10:14:20,198 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 313 [2021-04-15 10:14:20,730 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 367 [2021-04-15 10:14:21,869 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 415 DAG size of output: 376 [2021-04-15 10:14:43,114 WARN L205 SmtUtils]: Spent 21.24 s on a formula simplification. DAG size of input: 1504 DAG size of output: 1417 [2021-04-15 10:14:43,686 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 233 [2021-04-15 10:14:44,252 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 221 [2021-04-15 10:14:44,449 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-04-15 10:14:44,731 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 204 [2021-04-15 10:14:44,987 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 199 [2021-04-15 10:14:45,495 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 354 [2021-04-15 10:14:46,474 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 412 [2021-04-15 10:14:48,654 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 527 DAG size of output: 467 [2021-04-15 10:14:53,385 WARN L205 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 584 DAG size of output: 523 [2021-04-15 10:15:03,540 WARN L205 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 598 DAG size of output: 537 [2021-04-15 10:16:00,943 WARN L205 SmtUtils]: Spent 57.40 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1747 [2021-04-15 10:18:10,214 WARN L205 SmtUtils]: Spent 2.15 m on a formula simplification. DAG size of input: 2223 DAG size of output: 2078 [2021-04-15 10:18:10,426 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 212 [2021-04-15 10:18:10,684 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 184 [2021-04-15 10:18:10,972 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 215 [2021-04-15 10:18:11,602 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 346 [2021-04-15 10:18:12,101 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 394 [2021-04-15 10:18:13,128 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-04-15 10:18:15,425 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 549 DAG size of output: 505 [2021-04-15 10:18:20,185 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 571 DAG size of output: 526 [2021-04-15 10:18:30,551 WARN L205 SmtUtils]: Spent 10.36 s on a formula simplification. DAG size of input: 661 DAG size of output: 602 [2021-04-15 10:23:15,593 WARN L205 SmtUtils]: Spent 4.75 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