/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 10:16:33,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 10:16:33,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 10:16:33,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-19 10:16:33,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-19 10:16:33,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-19 10:16:33,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-19 10:16:33,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-19 10:16:33,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-19 10:16:33,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-19 10:16:33,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-19 10:16:33,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-19 10:16:33,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-19 10:16:33,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-19 10:16:33,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-19 10:16:33,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-19 10:16:33,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-19 10:16:33,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-19 10:16:33,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-19 10:16:33,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-19 10:16:33,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-19 10:16:33,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-19 10:16:33,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-19 10:16:33,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-19 10:16:33,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-19 10:16:33,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-19 10:16:33,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-19 10:16:33,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-19 10:16:33,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-19 10:16:33,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-19 10:16:33,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-19 10:16:33,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-19 10:16:33,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-19 10:16:33,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-19 10:16:33,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-19 10:16:33,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-19 10:16:33,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-19 10:16:33,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-19 10:16:33,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 10:16:33,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 10:16:33,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 10:16:33,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 10:16:33,272 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 10:16:33,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 10:16:33,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 10:16:33,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 10:16:33,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 10:16:33,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 10:16:33,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 10:16:33,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 10:16:33,275 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 10:16:33,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 10:16:33,276 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 10:16:33,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 10:16:33,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 10:16:33,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 10:16:33,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 10:16:33,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 10:16:33,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 10:16:33,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 10:16:33,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 10:16:33,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 10:16:33,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 10:16:33,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 10:16:33,280 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 10:16:33,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 10:16:33,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 10:16:33,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 10:16:33,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 10:16:33,529 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 10:16:33,530 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 10:16:33,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2023-05-19 10:16:33,532 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2023-05-19 10:16:33,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 10:16:33,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 10:16:33,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 10:16:33,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 10:16:33,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 10:16:33,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,585 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 10:16:33,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 10:16:33,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 10:16:33,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 10:16:33,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 10:16:33,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 10:16:33,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 10:16:33,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 10:16:33,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 10:16:33,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/1) ... [2023-05-19 10:16:33,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 10:16:33,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:33,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 10:16:33,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 10:16:33,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 10:16:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 10:16:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 10:16:33,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 10:16:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 10:16:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 10:16:33,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 10:16:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 10:16:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 10:16:33,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 10:16:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 10:16:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 10:16:33,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-19 10:16:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-19 10:16:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-19 10:16:33,690 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 10:16:33,736 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 10:16:33,738 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 10:16:33,826 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 10:16:33,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 10:16:33,846 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-19 10:16:33,847 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2023-05-19 10:16:33,847 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2023-05-19 10:16:33,847 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2023-05-19 10:16:33,848 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2023-05-19 10:16:33,849 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 10:16:33 BoogieIcfgContainer [2023-05-19 10:16:33,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 10:16:33,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 10:16:33,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 10:16:33,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 10:16:33,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:16:33" (1/2) ... [2023-05-19 10:16:33,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea4b211 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 10:16:33, skipping insertion in model container [2023-05-19 10:16:33,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 10:16:33" (2/2) ... [2023-05-19 10:16:33,856 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2023-05-19 10:16:33,863 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 10:16:33,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 10:16:33,871 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 10:16:33,871 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 10:16:33,917 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-19 10:16:33,982 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 10:16:33,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 10:16:33,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:34,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 10:16:34,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 10:16:34,096 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 10:16:34,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 10:16:34,148 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1391b7b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 10:16:34,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-19 10:16:34,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:34,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:34,407 INFO L85 PathProgramCache]: Analyzing trace with hash -686631468, now seen corresponding path program 1 times [2023-05-19 10:16:34,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:34,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452015046] [2023-05-19 10:16:34,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:35,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:35,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452015046] [2023-05-19 10:16:35,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452015046] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:35,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539915028] [2023-05-19 10:16:35,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:35,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:35,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:35,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 10:16:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:35,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-19 10:16:35,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:35,825 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:35,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 36 [2023-05-19 10:16:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:36,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:36,456 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:36,456 INFO L390 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 16 [2023-05-19 10:16:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:36,475 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2023-05-19 10:16:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:36,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539915028] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:36,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:36,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2023-05-19 10:16:36,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934421264] [2023-05-19 10:16:36,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:36,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-19 10:16:36,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:36,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-19 10:16:36,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2023-05-19 10:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:36,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:36,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.185185185185185) internal successors, (59), 26 states have internal predecessors, (59), 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) [2023-05-19 10:16:36,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:16:37,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 10:16:37,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-19 10:16:37,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:37,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1590130453, now seen corresponding path program 2 times [2023-05-19 10:16:37,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:37,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34633573] [2023-05-19 10:16:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:37,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:16:37,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:37,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34633573] [2023-05-19 10:16:37,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34633573] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:37,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138231730] [2023-05-19 10:16:37,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 10:16:37,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:37,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:37,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:37,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 10:16:37,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 10:16:37,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:16:37,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-19 10:16:37,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:16:37,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:16:37,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138231730] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:37,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:37,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2023-05-19 10:16:37,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308780835] [2023-05-19 10:16:37,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:37,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-19 10:16:37,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:37,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-19 10:16:37,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-05-19 10:16:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:37,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:37,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 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) [2023-05-19 10:16:37,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:16:37,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:16:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 10:16:37,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 10:16:37,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:37,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:37,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:37,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1620996914, now seen corresponding path program 1 times [2023-05-19 10:16:37,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:37,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98472101] [2023-05-19 10:16:37,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:37,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:38,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:38,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98472101] [2023-05-19 10:16:38,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98472101] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:38,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738651408] [2023-05-19 10:16:38,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:38,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:38,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:38,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:38,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 10:16:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:38,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-19 10:16:38,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:38,443 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:38,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 36 [2023-05-19 10:16:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:38,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:38,871 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:38,871 INFO L390 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 16 [2023-05-19 10:16:38,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:38,881 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2023-05-19 10:16:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:38,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738651408] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:38,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:38,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2023-05-19 10:16:38,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588619396] [2023-05-19 10:16:38,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:38,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-19 10:16:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:38,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-19 10:16:38,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2023-05-19 10:16:38,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:38,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:38,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 26 states have internal predecessors, (60), 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) [2023-05-19 10:16:38,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:16:38,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 10:16:38,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 10:16:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:39,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 10:16:39,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:39,754 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:39,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:39,755 INFO L85 PathProgramCache]: Analyzing trace with hash 665038383, now seen corresponding path program 3 times [2023-05-19 10:16:39,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:39,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605778184] [2023-05-19 10:16:39,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:39,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 10:16:39,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:39,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605778184] [2023-05-19 10:16:39,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605778184] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:39,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450338327] [2023-05-19 10:16:39,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 10:16:39,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:39,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:39,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:39,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 10:16:39,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 10:16:39,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:16:39,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 10:16:39,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 10:16:39,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 10:16:40,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450338327] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:40,010 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:40,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2023-05-19 10:16:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130527881] [2023-05-19 10:16:40,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:40,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 10:16:40,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:40,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 10:16:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-05-19 10:16:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:40,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:40,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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) [2023-05-19 10:16:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 10:16:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 10:16:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:40,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 10:16:40,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:40,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:40,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1142584282, now seen corresponding path program 4 times [2023-05-19 10:16:40,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:40,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397771208] [2023-05-19 10:16:40,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:16:40,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:40,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397771208] [2023-05-19 10:16:40,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397771208] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:40,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111739431] [2023-05-19 10:16:40,787 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 10:16:40,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:40,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:40,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:40,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 10:16:40,829 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 10:16:40,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:16:40,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-19 10:16:40,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:41,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-05-19 10:16:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:41,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:41,586 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:41,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 35 treesize of output 96 [2023-05-19 10:16:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:41,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111739431] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:41,752 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:41,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 37 [2023-05-19 10:16:41,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713190226] [2023-05-19 10:16:41,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:41,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-19 10:16:41,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-19 10:16:41,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1248, Unknown=0, NotChecked=0, Total=1406 [2023-05-19 10:16:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:41,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:41,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 37 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:16:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 10:16:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:16:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:16:43,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-19 10:16:43,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:43,613 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:43,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:43,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1194669582, now seen corresponding path program 5 times [2023-05-19 10:16:43,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:43,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502977330] [2023-05-19 10:16:43,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:43,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:43,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:43,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502977330] [2023-05-19 10:16:44,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502977330] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:44,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389067700] [2023-05-19 10:16:44,000 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 10:16:44,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:44,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:44,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:44,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 10:16:44,046 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-19 10:16:44,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:16:44,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-19 10:16:44,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:44,375 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:44,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 55 [2023-05-19 10:16:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:44,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:45,034 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:45,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 25 treesize of output 46 [2023-05-19 10:16:45,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:16:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:45,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 3 [2023-05-19 10:16:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:45,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389067700] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:45,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:45,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 37 [2023-05-19 10:16:45,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363693810] [2023-05-19 10:16:45,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:45,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-19 10:16:45,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:45,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-19 10:16:45,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1261, Unknown=0, NotChecked=0, Total=1406 [2023-05-19 10:16:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:45,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:45,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.8421052631578947) internal successors, (70), 37 states have internal predecessors, (70), 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) [2023-05-19 10:16:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:16:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:16:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:16:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:16:46,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 10:16:46,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:46,901 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:46,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:46,902 INFO L85 PathProgramCache]: Analyzing trace with hash 670988214, now seen corresponding path program 6 times [2023-05-19 10:16:46,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:46,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292978007] [2023-05-19 10:16:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:46,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:47,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:47,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292978007] [2023-05-19 10:16:47,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292978007] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:47,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601026673] [2023-05-19 10:16:47,486 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 10:16:47,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:47,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:47,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:47,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 10:16:47,529 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-19 10:16:47,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:16:47,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-19 10:16:47,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:47,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:16:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:16:47,982 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:16:47,997 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:47,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 53 [2023-05-19 10:16:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:48,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:48,619 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:48,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 35 treesize of output 96 [2023-05-19 10:16:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:48,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601026673] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:48,771 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:48,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2023-05-19 10:16:48,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201134143] [2023-05-19 10:16:48,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:48,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-19 10:16:48,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:48,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-19 10:16:48,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=2352, Unknown=0, NotChecked=0, Total=2652 [2023-05-19 10:16:48,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:48,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:48,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 51 states have internal predecessors, (89), 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) [2023-05-19 10:16:48,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:48,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:48,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:48,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:48,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:16:48,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:16:48,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:16:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:16:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:16:53,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 10:16:53,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-19 10:16:53,357 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:16:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:16:53,358 INFO L85 PathProgramCache]: Analyzing trace with hash -18157974, now seen corresponding path program 7 times [2023-05-19 10:16:53,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:16:53,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564166539] [2023-05-19 10:16:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:16:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:16:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:54,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:16:54,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564166539] [2023-05-19 10:16:54,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564166539] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:16:54,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298056445] [2023-05-19 10:16:54,440 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 10:16:54,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:16:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:16:54,441 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:16:54,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 10:16:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:16:54,484 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 81 conjunts are in the unsatisfiable core [2023-05-19 10:16:54,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:16:55,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2023-05-19 10:16:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:55,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:16:56,640 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:16:56,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 65 treesize of output 366 [2023-05-19 10:16:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:16:59,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298056445] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:16:59,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:16:59,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26, 26] total 71 [2023-05-19 10:16:59,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964853980] [2023-05-19 10:16:59,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:16:59,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2023-05-19 10:16:59,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:16:59,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2023-05-19 10:16:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=4545, Unknown=0, NotChecked=0, Total=5112 [2023-05-19 10:16:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:16:59,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:16:59,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 71 states have internal predecessors, (107), 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) [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:16:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:17:10,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:17:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 10:17:10,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-19 10:17:10,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:17:10,949 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:17:10,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:17:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash -128304466, now seen corresponding path program 8 times [2023-05-19 10:17:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:17:10,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574026694] [2023-05-19 10:17:10,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:17:10,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:17:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:17:12,330 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 10:17:12,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:17:12,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574026694] [2023-05-19 10:17:12,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574026694] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:17:12,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978965180] [2023-05-19 10:17:12,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 10:17:12,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:17:12,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:17:12,332 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:17:12,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 10:17:12,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 10:17:12,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:17:12,377 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 107 conjunts are in the unsatisfiable core [2023-05-19 10:17:12,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:17:13,675 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:17:13,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 57 treesize of output 89 [2023-05-19 10:17:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:17:13,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:17:15,763 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:17:15,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 75 treesize of output 496 [2023-05-19 10:17:18,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,880 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,883 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,890 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:18,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:18,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 3 [2023-05-19 10:17:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:17:18,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978965180] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:17:18,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:17:18,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 34, 34] total 91 [2023-05-19 10:17:18,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66772881] [2023-05-19 10:17:18,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:17:18,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2023-05-19 10:17:18,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:17:18,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2023-05-19 10:17:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=862, Invalid=7510, Unknown=0, NotChecked=0, Total=8372 [2023-05-19 10:17:18,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:17:18,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:17:18,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 91 states have internal predecessors, (136), 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) [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 10:17:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:17:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:17:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 10:17:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 10:17:36,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 10:17:36,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 10:17:36,936 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:17:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:17:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1438534488, now seen corresponding path program 9 times [2023-05-19 10:17:36,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:17:36,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135465150] [2023-05-19 10:17:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:17:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:17:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:17:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:17:38,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:17:38,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135465150] [2023-05-19 10:17:38,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135465150] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:17:38,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218598991] [2023-05-19 10:17:38,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 10:17:38,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:17:38,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:17:38,550 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:17:38,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 10:17:38,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-05-19 10:17:38,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:17:38,601 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 119 conjunts are in the unsatisfiable core [2023-05-19 10:17:38,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:17:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:41,076 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:17:41,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 100 case distinctions, treesize of input 83 treesize of output 659 [2023-05-19 10:17:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:17:48,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:17:50,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:50,440 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:17:50,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 26 [2023-05-19 10:17:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:50,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:17:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:17:50,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-05-19 10:17:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 10:17:50,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218598991] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:17:50,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:17:50,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 38, 24] total 83 [2023-05-19 10:17:50,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264392018] [2023-05-19 10:17:50,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:17:50,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2023-05-19 10:17:50,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:17:50,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2023-05-19 10:17:50,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=6517, Unknown=0, NotChecked=0, Total=6972 [2023-05-19 10:17:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:17:50,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:17:50,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 1.5952380952380953) internal successors, (134), 83 states have internal predecessors, (134), 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) [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-19 10:17:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:18:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:18:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:18:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:18:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:18:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-05-19 10:18:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:18:01,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-19 10:18:01,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 10:18:01,573 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:18:01,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:18:01,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1373824381, now seen corresponding path program 10 times [2023-05-19 10:18:01,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:18:01,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395022225] [2023-05-19 10:18:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:18:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:18:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:18:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 10:18:01,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:18:01,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395022225] [2023-05-19 10:18:01,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395022225] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:18:01,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106049097] [2023-05-19 10:18:01,824 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 10:18:01,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:18:01,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:18:01,826 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:18:01,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 10:18:01,879 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 10:18:01,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:18:01,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-19 10:18:01,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:18:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 44 proven. 137 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 10:18:01,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:18:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 44 proven. 137 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 10:18:02,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106049097] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:18:02,111 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:18:02,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 10 [2023-05-19 10:18:02,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555226940] [2023-05-19 10:18:02,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:18:02,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 10:18:02,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:18:02,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 10:18:02,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-05-19 10:18:02,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:18:02,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:18:02,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 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) [2023-05-19 10:18:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:18:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:18:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:18:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:18:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:18:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:18:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-05-19 10:18:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:18:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:02,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 10:18:02,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-19 10:18:02,457 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:18:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:18:02,457 INFO L85 PathProgramCache]: Analyzing trace with hash -340746172, now seen corresponding path program 11 times [2023-05-19 10:18:02,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:18:02,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930318878] [2023-05-19 10:18:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:18:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:18:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:18:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:18:04,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:18:04,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930318878] [2023-05-19 10:18:04,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930318878] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:18:04,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085847215] [2023-05-19 10:18:04,630 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 10:18:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:18:04,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:18:04,631 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:18:04,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 10:18:04,675 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-19 10:18:04,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:18:04,677 WARN L261 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 141 conjunts are in the unsatisfiable core [2023-05-19 10:18:04,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:18:07,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2023-05-19 10:18:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:18:07,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:18:12,397 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:18:12,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 115 treesize of output 1216 [2023-05-19 10:18:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:18:53,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085847215] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:18:53,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:18:53,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 46, 46] total 126 [2023-05-19 10:18:53,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48202619] [2023-05-19 10:18:53,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:18:53,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2023-05-19 10:18:53,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:18:53,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2023-05-19 10:18:53,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1556, Invalid=14446, Unknown=0, NotChecked=0, Total=16002 [2023-05-19 10:18:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:18:53,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:18:53,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 1.3228346456692914) internal successors, (168), 126 states have internal predecessors, (168), 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) [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:18:53,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:19:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:19:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2023-05-19 10:19:41,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 10:19:41,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-19 10:19:41,522 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:19:41,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:19:41,523 INFO L85 PathProgramCache]: Analyzing trace with hash -261130036, now seen corresponding path program 12 times [2023-05-19 10:19:41,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:19:41,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580628635] [2023-05-19 10:19:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:19:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:19:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:19:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-05-19 10:19:44,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:19:44,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580628635] [2023-05-19 10:19:44,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580628635] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:19:44,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869560848] [2023-05-19 10:19:44,719 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 10:19:44,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:19:44,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:19:44,725 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:19:44,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 10:19:44,778 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-05-19 10:19:44,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:19:44,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 191 conjunts are in the unsatisfiable core [2023-05-19 10:19:44,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:19:50,906 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:19:50,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 105 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 148 case distinctions, treesize of input 113 treesize of output 1013 [2023-05-19 10:20:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:20:16,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:20:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:28,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:28,646 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:20:28,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 16 new quantified variables, introduced 98 case distinctions, treesize of input 93 treesize of output 634 [2023-05-19 10:20:33,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,415 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,422 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,422 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,423 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,430 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:20:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:20:33,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 3 [2023-05-19 10:20:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-05-19 10:20:33,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869560848] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:20:33,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:20:33,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 62, 44] total 136 [2023-05-19 10:20:33,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483982987] [2023-05-19 10:20:33,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:20:33,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2023-05-19 10:20:33,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:20:33,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2023-05-19 10:20:33,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1463, Invalid=17169, Unknown=0, NotChecked=0, Total=18632 [2023-05-19 10:20:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:20:33,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:20:33,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 1.3576642335766422) internal successors, (186), 136 states have internal predecessors, (186), 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) [2023-05-19 10:20:33,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2023-05-19 10:20:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:20:56,077 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 202 DAG size of output: 180 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 10:22:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2023-05-19 10:22:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2023-05-19 10:22:03,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-19 10:22:03,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:22:03,201 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:22:03,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:22:03,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1826835008, now seen corresponding path program 13 times [2023-05-19 10:22:03,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:22:03,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413040530] [2023-05-19 10:22:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:22:03,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:22:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:22:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 48 proven. 277 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-19 10:22:03,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:22:03,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413040530] [2023-05-19 10:22:03,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413040530] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:22:03,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908082056] [2023-05-19 10:22:03,502 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 10:22:03,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:22:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:22:03,504 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:22:03,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 10:22:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:22:03,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-19 10:22:03,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:22:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 102 proven. 215 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-19 10:22:03,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:22:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 102 proven. 215 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-19 10:22:03,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908082056] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:22:03,884 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:22:03,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 12 [2023-05-19 10:22:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31787392] [2023-05-19 10:22:03,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:22:03,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-19 10:22:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:22:03,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-19 10:22:03,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-05-19 10:22:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:22:03,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:22:03,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 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) [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2023-05-19 10:22:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:22:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:22:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 10:22:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2023-05-19 10:22:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-19 10:22:04,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-19 10:22:04,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:22:04,297 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 10:22:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:22:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash 811743362, now seen corresponding path program 14 times [2023-05-19 10:22:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:22:04,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070889033] [2023-05-19 10:22:04,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:22:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:22:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:22:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 10:22:07,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:22:07,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070889033] [2023-05-19 10:22:07,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070889033] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:22:07,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397500203] [2023-05-19 10:22:07,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 10:22:07,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:22:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:22:07,619 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:22:07,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-19 10:22:07,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 10:22:07,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:22:07,665 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 179 conjunts are in the unsatisfiable core [2023-05-19 10:22:07,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:22:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,653 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:22:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:22:11,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:22:11,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:22:11,702 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:22:11,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 91 disjoint index pairs (out of 153 index pairs), introduced 15 new quantified variables, introduced 17 case distinctions, treesize of input 99 treesize of output 155 [2023-05-19 10:22:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:22:11,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:22:21,724 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:22:21,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 135 treesize of output 1696 [2023-05-19 10:24:07,065 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-19 10:24:07,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-19 10:24:07,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-19 10:24:07,273 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-19 10:24:07,276 INFO L158 Benchmark]: Toolchain (without parser) took 453718.01ms. Allocated memory was 197.1MB in the beginning and 744.5MB in the end (delta: 547.4MB). Free memory was 151.9MB in the beginning and 252.3MB in the end (delta: -100.5MB). Peak memory consumption was 523.4MB. Max. memory is 8.0GB. [2023-05-19 10:24:07,276 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.51ms. Allocated memory is still 197.1MB. Free memory is still 153.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 10:24:07,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 197.1MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 10:24:07,277 INFO L158 Benchmark]: Boogie Preprocessor took 17.20ms. Allocated memory is still 197.1MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 10:24:07,277 INFO L158 Benchmark]: RCFGBuilder took 243.18ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 164.8MB in the end (delta: -15.7MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2023-05-19 10:24:07,277 INFO L158 Benchmark]: TraceAbstraction took 453424.58ms. Allocated memory was 197.1MB in the beginning and 744.5MB in the end (delta: 547.4MB). Free memory was 163.6MB in the beginning and 252.3MB in the end (delta: -88.7MB). Peak memory consumption was 534.5MB. Max. memory is 8.0GB. [2023-05-19 10:24:07,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.51ms. Allocated memory is still 197.1MB. Free memory is still 153.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 197.1MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.20ms. Allocated memory is still 197.1MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 243.18ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 164.8MB in the end (delta: -15.7MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * TraceAbstraction took 453424.58ms. Allocated memory was 197.1MB in the beginning and 744.5MB in the end (delta: 547.4MB). Free memory was 163.6MB in the beginning and 252.3MB in the end (delta: -88.7MB). Peak memory consumption was 534.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-19 10:24:07,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-19 10:24:07,683 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-19 10:24:07,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...