/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 10:07:02,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 10:07:02,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 10:07:02,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 10:07:02,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 10:07:02,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 10:07:02,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 10:07:02,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 10:07:02,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 10:07:02,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 10:07:02,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 10:07:02,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 10:07:02,628 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 10:07:02,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 10:07:02,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 10:07:02,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 10:07:02,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 10:07:02,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 10:07:02,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 10:07:02,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 10:07:02,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 10:07:02,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 10:07:02,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 10:07:02,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 10:07:02,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 10:07:02,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 10:07:02,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 10:07:02,633 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 10:07:02,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 10:07:02,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 10:07:02,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 10:07:02,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 10:07:02,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 10:07:02,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 10:07:02,634 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 10:07:02,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 10:07:02,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 10:07:02,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 10:07:02,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 10:07:02,635 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 10:07:02,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 10:07:02,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 10:07:02,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 10:07:02,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 10:07:02,836 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 10:07:02,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-05-07 10:07:03,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 10:07:04,118 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 10:07:04,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-05-07 10:07:04,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cf223f808/b03c31f84fba4fde9b3e3a3b5ff24195/FLAG1b9ecfa1a [2024-05-07 10:07:04,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cf223f808/b03c31f84fba4fde9b3e3a3b5ff24195 [2024-05-07 10:07:04,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 10:07:04,137 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 10:07:04,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 10:07:04,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 10:07:04,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 10:07:04,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e98396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04, skipping insertion in model container [2024-05-07 10:07:04,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 10:07:04,275 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2024-05-07 10:07:04,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 10:07:04,287 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 10:07:04,306 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2024-05-07 10:07:04,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 10:07:04,313 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 10:07:04,314 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 10:07:04,319 INFO L206 MainTranslator]: Completed translation [2024-05-07 10:07:04,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04 WrapperNode [2024-05-07 10:07:04,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 10:07:04,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 10:07:04,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 10:07:04,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 10:07:04,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,357 INFO L138 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 303 [2024-05-07 10:07:04,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 10:07:04,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 10:07:04,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 10:07:04,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 10:07:04,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 10:07:04,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 10:07:04,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 10:07:04,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 10:07:04,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (1/1) ... [2024-05-07 10:07:04,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 10:07:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:07:04,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 10:07:04,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 10:07:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 10:07:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 10:07:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 10:07:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 10:07:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-07 10:07:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-07 10:07:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-05-07 10:07:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-05-07 10:07:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 10:07:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 10:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 10:07:04,470 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 10:07:04,553 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 10:07:04,554 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 10:07:04,933 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 10:07:05,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 10:07:05,078 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-07 10:07:05,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 10:07:05 BoogieIcfgContainer [2024-05-07 10:07:05,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 10:07:05,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 10:07:05,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 10:07:05,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 10:07:05,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 10:07:04" (1/3) ... [2024-05-07 10:07:05,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306c3d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 10:07:05, skipping insertion in model container [2024-05-07 10:07:05,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 10:07:04" (2/3) ... [2024-05-07 10:07:05,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306c3d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 10:07:05, skipping insertion in model container [2024-05-07 10:07:05,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 10:07:05" (3/3) ... [2024-05-07 10:07:05,088 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-05-07 10:07:05,095 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 10:07:05,102 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 10:07:05,102 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 10:07:05,102 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 10:07:05,199 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-05-07 10:07:05,244 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 10:07:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 10:07:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:07:05,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 10:07:05,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 10:07:05,294 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 10:07:05,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:05,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 10:07:05,312 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=LoopHeads, 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;@69ab92b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 10:07:05,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-05-07 10:07:05,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:05,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1966618470, now seen corresponding path program 1 times [2024-05-07 10:07:05,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:05,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812305240] [2024-05-07 10:07:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:05,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:05,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:05,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812305240] [2024-05-07 10:07:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812305240] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:07:05,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:07:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 10:07:05,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447998515] [2024-05-07 10:07:05,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:07:05,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 10:07:05,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:05,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 10:07:05,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 10:07:05,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:05,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:05,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.5) internal successors, (197), 2 states have internal predecessors, (197), 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) [2024-05-07 10:07:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:05,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 10:07:05,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:05,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:05,915 INFO L85 PathProgramCache]: Analyzing trace with hash -702387771, now seen corresponding path program 1 times [2024-05-07 10:07:05,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:05,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495502340] [2024-05-07 10:07:05,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:05,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:06,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:06,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495502340] [2024-05-07 10:07:06,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495502340] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:07:06,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:07:06,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 10:07:06,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084413856] [2024-05-07 10:07:06,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:07:06,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 10:07:06,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:06,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 10:07:06,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 10:07:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:06,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 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) [2024-05-07 10:07:06,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:06,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 10:07:06,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:06,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:06,562 INFO L85 PathProgramCache]: Analyzing trace with hash -301157671, now seen corresponding path program 1 times [2024-05-07 10:07:06,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:06,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440244217] [2024-05-07 10:07:06,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:06,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:06,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:06,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440244217] [2024-05-07 10:07:06,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440244217] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:07:06,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:07:06,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 10:07:06,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11188909] [2024-05-07 10:07:06,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:07:06,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 10:07:06,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:06,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 10:07:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 10:07:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:06,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2024-05-07 10:07:06,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:06,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:06,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:06,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 10:07:06,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:06,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:06,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1013683047, now seen corresponding path program 2 times [2024-05-07 10:07:06,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:06,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366333793] [2024-05-07 10:07:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:07,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:07,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366333793] [2024-05-07 10:07:07,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366333793] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:07:07,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:07:07,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 10:07:07,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793394657] [2024-05-07 10:07:07,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:07:07,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 10:07:07,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:07,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 10:07:07,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 10:07:07,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:07,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:07,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.285714285714285) internal successors, (198), 7 states have internal predecessors, (198), 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) [2024-05-07 10:07:07,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:07,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:07,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:07,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:07:07,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 10:07:07,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:07,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:07,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1057280405, now seen corresponding path program 1 times [2024-05-07 10:07:07,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:07,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97502574] [2024-05-07 10:07:07,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:07,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:07,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97502574] [2024-05-07 10:07:07,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97502574] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:07:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543604558] [2024-05-07 10:07:07,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:07,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:07:07,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:07:07,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:07:07,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 10:07:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:07,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 10:07:07,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:07:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:08,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:07:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:08,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543604558] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:07:08,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:07:08,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-07 10:07:08,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837657668] [2024-05-07 10:07:08,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:07:08,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-07 10:07:08,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:08,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-07 10:07:08,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-05-07 10:07:08,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:08,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:08,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 19.105263157894736) internal successors, (363), 19 states have internal predecessors, (363), 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) [2024-05-07 10:07:08,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:08,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:08,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:08,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:07:08,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:07:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:07:08,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 10:07:08,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:07:08,703 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:08,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash -114394479, now seen corresponding path program 2 times [2024-05-07 10:07:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:08,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560062951] [2024-05-07 10:07:08,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:08,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:07:08,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560062951] [2024-05-07 10:07:08,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560062951] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:07:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553579216] [2024-05-07 10:07:08,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 10:07:08,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:07:08,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:07:08,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:07:08,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 10:07:09,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 10:07:09,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:07:09,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 10:07:09,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:07:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:07:09,239 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:07:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:07:09,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553579216] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-07 10:07:09,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-07 10:07:09,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2024-05-07 10:07:09,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579743912] [2024-05-07 10:07:09,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:07:09,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-07 10:07:09,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:09,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-07 10:07:09,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-05-07 10:07:09,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:09,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:09,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 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) [2024-05-07 10:07:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:07:09,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:07:09,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:09,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2039049466, now seen corresponding path program 1 times [2024-05-07 10:07:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:09,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:10,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:10,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:10,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:12,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1074974919, now seen corresponding path program 2 times [2024-05-07 10:07:12,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:12,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:12,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:12,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:19,234 INFO L85 PathProgramCache]: Analyzing trace with hash -127337956, now seen corresponding path program 1 times [2024-05-07 10:07:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:19,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:07:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2112656847, now seen corresponding path program 1 times [2024-05-07 10:07:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:19,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:20,186 INFO L85 PathProgramCache]: Analyzing trace with hash -82178914, now seen corresponding path program 1 times [2024-05-07 10:07:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:20,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:20,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash 894190565, now seen corresponding path program 1 times [2024-05-07 10:07:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:20,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:21,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:21,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:21,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:22,331 INFO L85 PathProgramCache]: Analyzing trace with hash 33013691, now seen corresponding path program 1 times [2024-05-07 10:07:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:22,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:22,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:07:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:22,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:22,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash 780210820, now seen corresponding path program 1 times [2024-05-07 10:07:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:25,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:07:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:25,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1592513293, now seen corresponding path program 1 times [2024-05-07 10:07:25,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:25,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:25,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:25,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1032654761, now seen corresponding path program 1 times [2024-05-07 10:07:25,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:25,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:26,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:26,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1050109331, now seen corresponding path program 2 times [2024-05-07 10:07:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:26,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:26,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:26,943 INFO L85 PathProgramCache]: Analyzing trace with hash 412313928, now seen corresponding path program 1 times [2024-05-07 10:07:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:26,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:27,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:27,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:27,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:27,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash -325824631, now seen corresponding path program 1 times [2024-05-07 10:07:29,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:29,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:29,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:07:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:07:29,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:29,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:31,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1838359409, now seen corresponding path program 1 times [2024-05-07 10:07:31,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:31,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:31,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:07:32,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 10:07:32,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 10:07:32,344 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:07:32,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:07:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1759160020, now seen corresponding path program 1 times [2024-05-07 10:07:32,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:07:32,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991618306] [2024-05-07 10:07:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:32,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:32,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:07:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991618306] [2024-05-07 10:07:32,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991618306] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:07:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701941616] [2024-05-07 10:07:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:32,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:07:32,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:07:32,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:07:32,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 10:07:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:32,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 10:07:32,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:07:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:32,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:07:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:33,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701941616] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-07 10:07:33,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-07 10:07:33,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2024-05-07 10:07:33,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134151693] [2024-05-07 10:07:33,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:07:33,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-07 10:07:33,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:07:33,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-07 10:07:33,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-05-07 10:07:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:33,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:07:33,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.77777777777778) internal successors, (214), 9 states have internal predecessors, (214), 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) [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:07:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:07:33,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1389529990, now seen corresponding path program 1 times [2024-05-07 10:07:33,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:33,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:33,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:33,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash -82178914, now seen corresponding path program 2 times [2024-05-07 10:07:33,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:33,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:34,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:34,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:34,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:34,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:42,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1480959066, now seen corresponding path program 1 times [2024-05-07 10:07:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:42,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:42,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:42,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:42,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:07:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1838359409, now seen corresponding path program 2 times [2024-05-07 10:07:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:53,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:07:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:07:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:07:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:07:53,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:07:53,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 3 [2024-05-07 10:08:07,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1448164403, now seen corresponding path program 1 times [2024-05-07 10:08:07,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:07,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:07,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:07,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:07,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:07,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-05-07 10:08:07,842 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:07,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1960805410, now seen corresponding path program 1 times [2024-05-07 10:08:07,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989615174] [2024-05-07 10:08:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:09,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:09,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989615174] [2024-05-07 10:08:09,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989615174] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:09,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896908485] [2024-05-07 10:08:09,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:09,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:09,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:09,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:09,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 10:08:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:09,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-07 10:08:09,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:10,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-07 10:08:10,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:10,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:10,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:10,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:10,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:11,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:11,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-07 10:08:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:11,338 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:11,912 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork4_~#t6~0.base_23| Int)) (or (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_thread4Thread1of1ForFork4_~#t5~0.base| v_ArrVal_1414) |c_thread1Thread1of1ForFork1_~#t3~0.base| v_ArrVal_1415) |v_thread4Thread1of1ForFork4_~#t6~0.base_23| v_ArrVal_1416) c_~X_0~0.base))) (= (select .cse0 (+ c_~X_0~0.offset 4)) (+ (select .cse0 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0)))) (< |v_thread4Thread1of1ForFork4_~#t6~0.base_23| (+ |c_#StackHeapBarrier| 1)))) is different from false [2024-05-07 10:08:13,938 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork4_~#t5~0.base_23| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork4_~#t5~0.base_23| .cse0) (forall ((|v_thread4Thread1of1ForFork4_~#t6~0.base_23| Int)) (or (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int))) (let ((.cse1 (select (store (store (store |c_#memory_int| |v_thread4Thread1of1ForFork4_~#t5~0.base_23| v_ArrVal_1414) |c_thread1Thread1of1ForFork1_~#t3~0.base| v_ArrVal_1415) |v_thread4Thread1of1ForFork4_~#t6~0.base_23| v_ArrVal_1416) c_~X_0~0.base))) (= (+ (select .cse1 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0) (select .cse1 (+ c_~X_0~0.offset 4))))) (< |v_thread4Thread1of1ForFork4_~#t6~0.base_23| .cse0)))))) is different from false [2024-05-07 10:08:15,984 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (|v_thread4Thread1of1ForFork4_~#t5~0.base_23| Int) (|v_thread4Thread1of1ForFork4_~#t6~0.base_23| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork4_~#t5~0.base_23| .cse0) (let ((.cse1 (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_1413) |v_thread4Thread1of1ForFork4_~#t5~0.base_23| v_ArrVal_1414) |c_thread1Thread1of1ForFork1_~#t3~0.base| v_ArrVal_1415) |v_thread4Thread1of1ForFork4_~#t6~0.base_23| v_ArrVal_1416) c_~X_0~0.base))) (= (+ (select .cse1 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0) (select .cse1 (+ c_~X_0~0.offset 4)))) (< |v_thread4Thread1of1ForFork4_~#t6~0.base_23| .cse0)))) is different from false [2024-05-07 10:08:18,079 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (v_ArrVal_1412 (Array Int Int)) (|v_thread4Thread1of1ForFork4_~#t5~0.base_23| Int) (|v_thread4Thread1of1ForFork4_~#t6~0.base_23| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork4_~#t5~0.base_23| .cse0) (let ((.cse1 (select (store (store (store (store (store |c_#memory_int| |c_thread1Thread1of1ForFork1_~#t2~0.base| v_ArrVal_1412) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_1413) |v_thread4Thread1of1ForFork4_~#t5~0.base_23| v_ArrVal_1414) |c_thread1Thread1of1ForFork1_~#t3~0.base| v_ArrVal_1415) |v_thread4Thread1of1ForFork4_~#t6~0.base_23| v_ArrVal_1416) c_~X_0~0.base))) (= (select .cse1 (+ c_~X_0~0.offset 4)) (+ (select .cse1 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0))) (< |v_thread4Thread1of1ForFork4_~#t6~0.base_23| .cse0)))) is different from false [2024-05-07 10:08:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 10:08:18,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896908485] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:08:18,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:08:18,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 17] total 64 [2024-05-07 10:08:18,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408432644] [2024-05-07 10:08:18,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:08:18,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-07 10:08:18,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-07 10:08:18,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=3278, Unknown=19, NotChecked=476, Total=4032 [2024-05-07 10:08:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:18,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:18,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.28125) internal successors, (466), 64 states have internal predecessors, (466), 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) [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:18,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:20,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-05-07 10:08:25,055 INFO L85 PathProgramCache]: Analyzing trace with hash -127337956, now seen corresponding path program 2 times [2024-05-07 10:08:25,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:25,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:08:25,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 10:08:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 10:08:26,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-07 10:08:26,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42 [2024-05-07 10:08:26,983 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:26,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:26,984 INFO L85 PathProgramCache]: Analyzing trace with hash 936138107, now seen corresponding path program 2 times [2024-05-07 10:08:26,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:26,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423968866] [2024-05-07 10:08:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:26,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 10:08:27,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:27,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423968866] [2024-05-07 10:08:27,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423968866] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 10:08:27,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 10:08:27,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 10:08:27,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058527362] [2024-05-07 10:08:27,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:08:27,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 10:08:27,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:27,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 10:08:27,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 10:08:27,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:27,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:27,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 10:08:27,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:27,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:27,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-05-07 10:08:27,567 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:27,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:27,567 INFO L85 PathProgramCache]: Analyzing trace with hash -2057530016, now seen corresponding path program 3 times [2024-05-07 10:08:27,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:27,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528509575] [2024-05-07 10:08:27,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:27,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:27,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:27,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528509575] [2024-05-07 10:08:27,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528509575] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:27,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976500500] [2024-05-07 10:08:27,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 10:08:27,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:27,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:27,790 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:27,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 10:08:28,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-07 10:08:28,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:08:28,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-07 10:08:28,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 10:08:28,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-07 10:08:28,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976500500] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:08:28,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:08:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 6] total 19 [2024-05-07 10:08:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309811520] [2024-05-07 10:08:28,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:08:28,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-07 10:08:28,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-07 10:08:28,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-05-07 10:08:28,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:28,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:28,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 21.0) internal successors, (399), 19 states have internal predecessors, (399), 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) [2024-05-07 10:08:28,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:28,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:28,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 10:08:29,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:29,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-05-07 10:08:29,542 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:29,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:29,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1447205675, now seen corresponding path program 1 times [2024-05-07 10:08:29,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:29,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395280320] [2024-05-07 10:08:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:29,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:29,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395280320] [2024-05-07 10:08:29,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395280320] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:29,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022256062] [2024-05-07 10:08:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:29,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:29,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:29,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:29,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 10:08:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:29,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-07 10:08:29,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:30,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:30,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022256062] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:30,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-07 10:08:30,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12, 12] total 27 [2024-05-07 10:08:30,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349376212] [2024-05-07 10:08:30,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:08:30,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-07 10:08:30,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-07 10:08:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2024-05-07 10:08:30,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:30,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:30,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.833333333333332) internal successors, (226), 12 states have internal predecessors, (226), 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) [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 10:08:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:31,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 10:08:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:31,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:31,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-05-07 10:08:31,314 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:31,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:31,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1117344247, now seen corresponding path program 4 times [2024-05-07 10:08:31,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:31,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431426358] [2024-05-07 10:08:31,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:31,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431426358] [2024-05-07 10:08:31,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431426358] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003922061] [2024-05-07 10:08:31,512 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 10:08:31,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:31,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:31,514 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:31,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 10:08:31,799 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 10:08:31,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:08:31,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-07 10:08:31,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:32,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:32,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003922061] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:32,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-07 10:08:32,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12, 12] total 27 [2024-05-07 10:08:32,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774146719] [2024-05-07 10:08:32,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 10:08:32,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-07 10:08:32,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:32,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-07 10:08:32,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2024-05-07 10:08:32,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:32,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:32,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.25) internal successors, (231), 12 states have internal predecessors, (231), 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) [2024-05-07 10:08:32,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:32,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:32,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:32,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:32,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:32,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:33,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:33,012 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:33,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1946201331, now seen corresponding path program 5 times [2024-05-07 10:08:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:33,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435043681] [2024-05-07 10:08:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:33,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:34,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:34,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435043681] [2024-05-07 10:08:34,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435043681] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:34,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457937833] [2024-05-07 10:08:34,710 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 10:08:34,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:34,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:34,711 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:34,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 10:08:34,974 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-07 10:08:34,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:08:34,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 10:08:34,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:35,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:08:35,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2024-05-07 10:08:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-07 10:08:35,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:36,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:08:36,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 45 treesize of output 46 [2024-05-07 10:08:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-07 10:08:36,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457937833] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:08:36,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:08:36,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 19, 14] total 50 [2024-05-07 10:08:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505826962] [2024-05-07 10:08:36,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:08:36,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-05-07 10:08:36,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:36,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-05-07 10:08:36,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=2264, Unknown=0, NotChecked=0, Total=2450 [2024-05-07 10:08:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:36,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:36,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 8.9) internal successors, (445), 50 states have internal predecessors, (445), 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) [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-07 10:08:42,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:42,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-05-07 10:08:42,400 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:42,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash 703566594, now seen corresponding path program 6 times [2024-05-07 10:08:42,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:42,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88218260] [2024-05-07 10:08:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 31 proven. 49 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:42,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:42,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88218260] [2024-05-07 10:08:42,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88218260] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:42,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741667307] [2024-05-07 10:08:42,736 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 10:08:42,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:42,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:42,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:42,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 10:08:43,106 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-05-07 10:08:43,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:08:43,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 10:08:43,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:43,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:43,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741667307] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:08:43,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:08:43,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 35 [2024-05-07 10:08:43,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612267117] [2024-05-07 10:08:43,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:08:43,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-07 10:08:43,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:43,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-07 10:08:43,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2024-05-07 10:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:43,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:43,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.028571428571428) internal successors, (456), 35 states have internal predecessors, (456), 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) [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:43,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-07 10:08:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-07 10:08:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:08:46,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:46,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-05-07 10:08:46,520 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:46,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1085118639, now seen corresponding path program 7 times [2024-05-07 10:08:46,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:46,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130925715] [2024-05-07 10:08:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:46,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:46,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130925715] [2024-05-07 10:08:46,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130925715] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:46,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412643907] [2024-05-07 10:08:46,857 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 10:08:46,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:46,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:46,862 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:46,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 10:08:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:47,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-07 10:08:47,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 59 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:47,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 59 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:48,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412643907] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:08:48,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:08:48,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 43 [2024-05-07 10:08:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359681188] [2024-05-07 10:08:48,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:08:48,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-07 10:08:48,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:48,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-07 10:08:48,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1474, Unknown=0, NotChecked=0, Total=1806 [2024-05-07 10:08:48,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:48,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:48,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 11.046511627906977) internal successors, (475), 43 states have internal predecessors, (475), 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) [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:08:48,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-07 10:08:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:08:50,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:08:50,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 10:08:50,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-05-07 10:08:50,537 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:50,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1481508019, now seen corresponding path program 8 times [2024-05-07 10:08:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438253536] [2024-05-07 10:08:50,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 59 proven. 83 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:50,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:50,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438253536] [2024-05-07 10:08:50,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438253536] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:50,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843634800] [2024-05-07 10:08:50,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 10:08:50,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:50,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:50,918 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:50,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 10:08:51,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 10:08:51,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:08:51,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-07 10:08:51,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:51,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:08:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 114 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:08:52,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843634800] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:08:52,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:08:52,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 43 [2024-05-07 10:08:52,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491077301] [2024-05-07 10:08:52,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:08:52,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-07 10:08:52,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:08:52,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-07 10:08:52,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1489, Unknown=0, NotChecked=0, Total=1806 [2024-05-07 10:08:52,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:52,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:08:52,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 10.627906976744185) internal successors, (457), 43 states have internal predecessors, (457), 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) [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:52,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:52,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-07 10:08:52,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:08:52,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:08:52,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:08:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:08:53,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-07 10:08:53,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:53,769 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:08:53,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:08:53,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1940547933, now seen corresponding path program 9 times [2024-05-07 10:08:53,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:08:53,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032755503] [2024-05-07 10:08:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:08:53,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:08:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:08:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:08:56,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:08:56,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032755503] [2024-05-07 10:08:56,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032755503] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:08:56,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267633810] [2024-05-07 10:08:56,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 10:08:56,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:08:56,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:08:56,658 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:08:56,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-07 10:08:57,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-07 10:08:57,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:08:57,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 124 conjunts are in the unsatisfiable core [2024-05-07 10:08:57,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:08:57,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-07 10:08:58,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:58,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:58,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:58,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:58,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:08:58,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 10:09:00,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:09:00,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 65 treesize of output 175 [2024-05-07 10:09:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 33 proven. 76 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-07 10:09:01,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:09:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-07 10:09:05,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267633810] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:09:05,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:09:05,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 47, 24] total 102 [2024-05-07 10:09:05,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144919967] [2024-05-07 10:09:05,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:09:05,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-05-07 10:09:05,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:09:05,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-05-07 10:09:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=9620, Unknown=0, NotChecked=0, Total=10302 [2024-05-07 10:09:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:05,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:09:05,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.323529411764706) internal successors, (645), 102 states have internal predecessors, (645), 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) [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:05,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:09:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:09:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2024-05-07 10:09:49,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-07 10:09:49,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-05-07 10:09:49,796 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:09:49,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:09:49,796 INFO L85 PathProgramCache]: Analyzing trace with hash -97309220, now seen corresponding path program 10 times [2024-05-07 10:09:49,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:09:49,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734830534] [2024-05-07 10:09:49,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:09:49,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:09:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:09:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 82 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:09:50,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:09:50,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734830534] [2024-05-07 10:09:50,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734830534] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:09:50,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743362] [2024-05-07 10:09:50,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 10:09:50,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:09:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:09:50,174 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:09:50,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-07 10:09:50,459 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 10:09:50,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:09:50,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-07 10:09:50,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:09:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 98 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:09:50,985 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:09:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 98 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:09:51,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743362] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:09:51,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:09:51,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 51 [2024-05-07 10:09:51,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502499214] [2024-05-07 10:09:51,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:09:51,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-07 10:09:51,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:09:51,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-07 10:09:51,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=2097, Unknown=0, NotChecked=0, Total=2550 [2024-05-07 10:09:51,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:51,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:09:51,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 10.176470588235293) internal successors, (519), 51 states have internal predecessors, (519), 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) [2024-05-07 10:09:51,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:51,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2024-05-07 10:09:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:09:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:09:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:09:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2024-05-07 10:09:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:53,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-07 10:09:53,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:09:53,277 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:09:53,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:09:53,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1923889880, now seen corresponding path program 11 times [2024-05-07 10:09:53,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:09:53,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128912115] [2024-05-07 10:09:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:09:53,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:09:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:09:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 95 proven. 127 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:09:53,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:09:53,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128912115] [2024-05-07 10:09:53,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128912115] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:09:53,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875960832] [2024-05-07 10:09:53,715 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 10:09:53,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:09:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:09:53,716 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:09:53,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-07 10:09:53,999 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-07 10:09:53,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:09:54,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 10:09:54,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:09:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 22 proven. 76 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-07 10:09:54,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:09:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 22 proven. 19 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-05-07 10:09:54,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875960832] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:09:54,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:09:54,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 6] total 35 [2024-05-07 10:09:54,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121433787] [2024-05-07 10:09:54,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:09:54,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-07 10:09:54,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:09:54,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-07 10:09:54,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1061, Unknown=0, NotChecked=0, Total=1190 [2024-05-07 10:09:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:54,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:09:54,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.571428571428571) internal successors, (475), 35 states have internal predecessors, (475), 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) [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:09:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:10:08,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-07 10:10:08,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:10:08,779 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:10:08,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:10:08,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1475889004, now seen corresponding path program 12 times [2024-05-07 10:10:08,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:10:08,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995122864] [2024-05-07 10:10:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:10:08,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:10:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:10:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 159 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:10:09,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:10:09,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995122864] [2024-05-07 10:10:09,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995122864] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:10:09,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030596840] [2024-05-07 10:10:09,565 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 10:10:09,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:10:09,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:10:09,566 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:10:09,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-07 10:10:09,956 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-07 10:10:09,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:10:09,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 10:10:09,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:10:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 238 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:10:10,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:10:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 238 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:10:11,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030596840] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:10:11,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:10:11,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 25, 25] total 76 [2024-05-07 10:10:11,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757358879] [2024-05-07 10:10:11,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:10:11,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-05-07 10:10:11,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:10:11,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-05-07 10:10:11,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=795, Invalid=4905, Unknown=0, NotChecked=0, Total=5700 [2024-05-07 10:10:11,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:11,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:10:11,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 8.986842105263158) internal successors, (683), 76 states have internal predecessors, (683), 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) [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:10:11,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:10:13,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-07 10:10:14,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-05-07 10:10:14,136 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:10:14,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:10:14,136 INFO L85 PathProgramCache]: Analyzing trace with hash 887749020, now seen corresponding path program 13 times [2024-05-07 10:10:14,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:10:14,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509800149] [2024-05-07 10:10:14,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:10:14,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:10:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:10:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:10:20,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:10:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509800149] [2024-05-07 10:10:20,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509800149] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:10:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112834033] [2024-05-07 10:10:20,521 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 10:10:20,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:10:20,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:10:20,523 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:10:20,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-07 10:10:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:10:20,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 165 conjunts are in the unsatisfiable core [2024-05-07 10:10:20,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:10:24,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:10:24,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 23 [2024-05-07 10:10:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:10:24,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:10:26,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:10:26,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 145 treesize of output 496 [2024-05-07 10:10:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-07 10:10:32,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112834033] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:10:32,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:10:32,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 53, 34] total 134 [2024-05-07 10:10:32,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982058670] [2024-05-07 10:10:32,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:10:32,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-05-07 10:10:32,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:10:32,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-05-07 10:10:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=968, Invalid=16854, Unknown=0, NotChecked=0, Total=17822 [2024-05-07 10:10:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:32,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:10:32,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 5.149253731343284) internal successors, (690), 134 states have internal predecessors, (690), 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) [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:10:32,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:10:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:10:52,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-07 10:10:52,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-05-07 10:10:52,791 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:10:52,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:10:52,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1686979539, now seen corresponding path program 14 times [2024-05-07 10:10:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:10:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409089422] [2024-05-07 10:10:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:10:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:10:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:10:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 789 proven. 409 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:10:54,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:10:54,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409089422] [2024-05-07 10:10:54,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409089422] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:10:54,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693049555] [2024-05-07 10:10:54,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 10:10:54,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:10:54,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:10:54,587 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:10:54,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-07 10:10:55,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 10:10:55,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:10:55,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-07 10:10:55,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:10:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 754 proven. 232 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-05-07 10:10:56,187 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:10:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 754 proven. 232 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-05-07 10:10:57,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693049555] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:10:57,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:10:57,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 30, 30] total 103 [2024-05-07 10:10:57,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548393646] [2024-05-07 10:10:57,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:10:57,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-05-07 10:10:57,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:10:57,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-05-07 10:10:57,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1309, Invalid=9197, Unknown=0, NotChecked=0, Total=10506 [2024-05-07 10:10:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:57,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:10:57,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 7.757281553398058) internal successors, (799), 103 states have internal predecessors, (799), 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) [2024-05-07 10:10:57,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:10:57,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:10:57,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:57,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:10:57,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:57,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:10:57,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:11:02,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:11:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:11:02,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-07 10:11:02,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-05-07 10:11:02,629 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:11:02,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:11:02,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1873663145, now seen corresponding path program 15 times [2024-05-07 10:11:02,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:11:02,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815570404] [2024-05-07 10:11:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:11:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:11:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:11:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 789 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:11:04,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:11:04,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815570404] [2024-05-07 10:11:04,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815570404] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:11:04,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312758065] [2024-05-07 10:11:04,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 10:11:04,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:11:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:11:04,645 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:11:04,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-07 10:11:05,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-05-07 10:11:05,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:11:05,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-07 10:11:05,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:11:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 964 proven. 297 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 10:11:07,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:11:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 897 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:11:08,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312758065] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:11:08,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:11:08,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 38, 39] total 123 [2024-05-07 10:11:08,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454360336] [2024-05-07 10:11:08,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:11:08,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-05-07 10:11:08,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:11:08,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-05-07 10:11:08,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2045, Invalid=12961, Unknown=0, NotChecked=0, Total=15006 [2024-05-07 10:11:08,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:11:08,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:11:08,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 7.983739837398374) internal successors, (982), 123 states have internal predecessors, (982), 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) [2024-05-07 10:11:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:11:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:11:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:11:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:11:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:11:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:11:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:11:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:11:15,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-07 10:11:15,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:11:15,592 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:11:15,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:11:15,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1747286929, now seen corresponding path program 16 times [2024-05-07 10:11:15,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:11:15,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769448976] [2024-05-07 10:11:15,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:11:15,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:11:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:11:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 1821 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:11:49,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:11:49,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769448976] [2024-05-07 10:11:49,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769448976] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:11:49,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425657132] [2024-05-07 10:11:49,007 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 10:11:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:11:49,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:11:49,011 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:11:49,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-07 10:11:49,830 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 10:11:49,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:11:49,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 309 conjunts are in the unsatisfiable core [2024-05-07 10:11:49,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:12:01,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:12:01,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 149 treesize of output 37 [2024-05-07 10:12:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 1809 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-07 10:12:01,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:12:19,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:12:19,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 285 treesize of output 1966 [2024-05-07 10:14:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 966 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-05-07 10:14:44,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425657132] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:14:44,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:14:44,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 93, 62] total 257 [2024-05-07 10:14:44,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397364189] [2024-05-07 10:14:44,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:14:44,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2024-05-07 10:14:44,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:14:44,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2024-05-07 10:14:44,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1842, Invalid=63950, Unknown=0, NotChecked=0, Total=65792 [2024-05-07 10:14:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:14:44,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:14:44,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 4.0778210116731515) internal successors, (1048), 257 states have internal predecessors, (1048), 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) [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:14:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:14:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2024-05-07 10:16:48,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-07 10:16:48,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-05-07 10:16:48,272 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:16:48,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:16:48,273 INFO L85 PathProgramCache]: Analyzing trace with hash 186402589, now seen corresponding path program 17 times [2024-05-07 10:16:48,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:16:48,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779510600] [2024-05-07 10:16:48,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:16:48,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:16:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:16:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4747 backedges. 3519 proven. 1228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:16:54,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:16:54,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779510600] [2024-05-07 10:16:54,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779510600] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:16:54,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900475970] [2024-05-07 10:16:54,487 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 10:16:54,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:16:54,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:16:54,488 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:16:54,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-07 10:16:55,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2024-05-07 10:16:55,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:16:55,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-07 10:16:55,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:16:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4747 backedges. 3892 proven. 855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:16:58,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 10:17:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4747 backedges. 3892 proven. 855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:17:01,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900475970] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 10:17:01,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 10:17:01,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 64, 64] total 214 [2024-05-07 10:17:01,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83479156] [2024-05-07 10:17:01,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 10:17:01,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2024-05-07 10:17:01,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 10:17:01,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2024-05-07 10:17:01,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6381, Invalid=39201, Unknown=0, NotChecked=0, Total=45582 [2024-05-07 10:17:01,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:17:01,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 10:17:01,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 7.144859813084112) internal successors, (1529), 214 states have internal predecessors, (1529), 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) [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:17:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 293 states. [2024-05-07 10:17:01,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:17:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 10:17:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-05-07 10:17:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-07 10:17:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-07 10:17:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2024-05-07 10:17:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-07 10:17:17,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-05-07 10:17:17,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-05-07 10:17:17,581 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-07 10:17:17,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 10:17:17,581 INFO L85 PathProgramCache]: Analyzing trace with hash -16144299, now seen corresponding path program 18 times [2024-05-07 10:17:17,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 10:17:17,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249343660] [2024-05-07 10:17:17,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 10:17:17,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 10:17:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 10:18:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7169 backedges. 0 proven. 7169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 10:18:21,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 10:18:21,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249343660] [2024-05-07 10:18:21,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249343660] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 10:18:21,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457448721] [2024-05-07 10:18:21,594 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 10:18:21,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:18:21,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 10:18:21,596 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 10:18:21,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-07 10:18:40,473 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2024-05-07 10:18:40,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 10:18:40,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 563 conjunts are in the unsatisfiable core [2024-05-07 10:18:40,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 10:19:38,219 WARN L293 SmtUtils]: Spent 15.31s on a formula simplification that was a NOOP. DAG size: 891 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-07 10:19:38,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 10:19:38,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 41 select indices, 41 select index equivalence classes, 456 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 820 case distinctions, treesize of input 339 treesize of output 2977 Received shutdown request... [2024-05-07 10:20:42,835 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 10:20:42,840 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 10:20:42,840 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 10:20:42,890 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2024-05-07 10:20:42,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-07 10:20:43,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 10:20:43,105 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. [2024-05-07 10:20:43,106 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2024-05-07 10:20:43,107 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2024-05-07 10:20:43,107 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2024-05-07 10:20:43,107 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2024-05-07 10:20:43,107 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2024-05-07 10:20:43,109 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2024-05-07 10:20:43,110 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2024-05-07 10:20:43,110 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2024-05-07 10:20:43,110 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2024-05-07 10:20:43,110 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork4Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2024-05-07 10:20:43,114 INFO L448 BasicCegarLoop]: Path program histogram: [18, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-07 10:20:43,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 10:20:43,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 10:20:43,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 10:20:43 BasicIcfg [2024-05-07 10:20:43,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 10:20:43,122 INFO L158 Benchmark]: Toolchain (without parser) took 818985.69ms. Allocated memory was 329.3MB in the beginning and 5.4GB in the end (delta: 5.1GB). Free memory was 258.3MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2024-05-07 10:20:43,123 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 329.3MB. Free memory is still 294.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 10:20:43,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.48ms. Allocated memory is still 329.3MB. Free memory was 258.2MB in the beginning and 245.3MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-07 10:20:43,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.14ms. Allocated memory is still 329.3MB. Free memory was 245.0MB in the beginning and 242.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 10:20:43,123 INFO L158 Benchmark]: Boogie Preprocessor took 37.12ms. Allocated memory is still 329.3MB. Free memory was 242.4MB in the beginning and 240.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-07 10:20:43,123 INFO L158 Benchmark]: RCFGBuilder took 684.68ms. Allocated memory is still 329.3MB. Free memory was 240.0MB in the beginning and 258.0MB in the end (delta: -18.0MB). Peak memory consumption was 31.1MB. Max. memory is 8.0GB. [2024-05-07 10:20:43,123 INFO L158 Benchmark]: TraceAbstraction took 818040.00ms. Allocated memory was 329.3MB in the beginning and 5.4GB in the end (delta: 5.1GB). Free memory was 256.5MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2024-05-07 10:20:43,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 329.3MB. Free memory is still 294.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.48ms. Allocated memory is still 329.3MB. Free memory was 258.2MB in the beginning and 245.3MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.14ms. Allocated memory is still 329.3MB. Free memory was 245.0MB in the beginning and 242.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.12ms. Allocated memory is still 329.3MB. Free memory was 242.4MB in the beginning and 240.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 684.68ms. Allocated memory is still 329.3MB. Free memory was 240.0MB in the beginning and 258.0MB in the end (delta: -18.0MB). Peak memory consumption was 31.1MB. Max. memory is 8.0GB. * TraceAbstraction took 818040.00ms. Allocated memory was 329.3MB in the beginning and 5.4GB in the end (delta: 5.1GB). Free memory was 256.5MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3067224, independent: 2984960, independent conditional: 2983446, independent unconditional: 1514, dependent: 82264, dependent conditional: 82264, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3000286, independent: 2984960, independent conditional: 2983446, independent unconditional: 1514, dependent: 15326, dependent conditional: 15326, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3000286, independent: 2984960, independent conditional: 2983446, independent unconditional: 1514, dependent: 15326, dependent conditional: 15326, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3000286, independent: 2984960, independent conditional: 2983446, independent unconditional: 1514, dependent: 15326, dependent conditional: 15326, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3125770, independent: 2984960, independent conditional: 1321588, independent unconditional: 1663372, dependent: 140810, dependent conditional: 122459, dependent unconditional: 18351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3125770, independent: 2984960, independent conditional: 476995, independent unconditional: 2507965, dependent: 140810, dependent conditional: 95485, dependent unconditional: 45325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3125770, independent: 2984960, independent conditional: 476995, independent unconditional: 2507965, dependent: 140810, dependent conditional: 95485, dependent unconditional: 45325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2899, independent: 2500, independent conditional: 429, independent unconditional: 2071, dependent: 399, dependent conditional: 392, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2899, independent: 2344, independent conditional: 0, independent unconditional: 2344, dependent: 555, dependent conditional: 0, dependent unconditional: 555, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 555, independent: 156, independent conditional: 149, independent unconditional: 7, dependent: 399, dependent conditional: 392, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 555, independent: 156, independent conditional: 149, independent unconditional: 7, dependent: 399, dependent conditional: 392, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1301, independent: 287, independent conditional: 282, independent unconditional: 6, dependent: 1013, dependent conditional: 973, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3125770, independent: 2982460, independent conditional: 476566, independent unconditional: 2505894, dependent: 140411, dependent conditional: 95093, dependent unconditional: 45318, unknown: 2899, unknown conditional: 821, unknown unconditional: 2078] , Statistics on independence cache: Total cache size (in pairs): 2899, Positive cache size: 2500, Positive conditional cache size: 429, Positive unconditional cache size: 2071, Negative cache size: 399, Negative conditional cache size: 392, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 871567, Maximal queried relation: 18, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3125770, independent: 2984960, independent conditional: 1321588, independent unconditional: 1663372, dependent: 140810, dependent conditional: 122459, dependent unconditional: 18351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3125770, independent: 2984960, independent conditional: 476995, independent unconditional: 2507965, dependent: 140810, dependent conditional: 95485, dependent unconditional: 45325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3125770, independent: 2984960, independent conditional: 476995, independent unconditional: 2507965, dependent: 140810, dependent conditional: 95485, dependent unconditional: 45325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2899, independent: 2500, independent conditional: 429, independent unconditional: 2071, dependent: 399, dependent conditional: 392, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2899, independent: 2344, independent conditional: 0, independent unconditional: 2344, dependent: 555, dependent conditional: 0, dependent unconditional: 555, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 555, independent: 156, independent conditional: 149, independent unconditional: 7, dependent: 399, dependent conditional: 392, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 555, independent: 156, independent conditional: 149, independent unconditional: 7, dependent: 399, dependent conditional: 392, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1301, independent: 287, independent conditional: 282, independent unconditional: 6, dependent: 1013, dependent conditional: 973, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3125770, independent: 2982460, independent conditional: 476566, independent unconditional: 2505894, dependent: 140411, dependent conditional: 95093, dependent unconditional: 45318, unknown: 2899, unknown conditional: 821, unknown unconditional: 2078] , Statistics on independence cache: Total cache size (in pairs): 2899, Positive cache size: 2500, Positive conditional cache size: 429, Positive unconditional cache size: 2071, Negative cache size: 399, Negative conditional cache size: 392, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 871567 ], Independence queries for same thread: 66938 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 168]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 169]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 706 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-348-13-2-10-2-9-2-8-3-7-2-6-2-5-2-4-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 338 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 817.8s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 315.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1304, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 284.0s InterpolantComputationTime, 12758 NumberOfCodeBlocks, 12662 NumberOfCodeBlocksAsserted, 116 NumberOfCheckSat, 18567 ConstructedInterpolants, 109 QuantifiedInterpolants, 145995 SizeOfPredicates, 436 NumberOfNonLiveVariables, 14876 ConjunctsInSsa, 1011 ConjunctsInUnsatCore, 65 InterpolantComputations, 9 PerfectInterpolantSequences, 20148/32857 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 67.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 40, ConditionalCommutativityTraceChecks: 20, ConditionalCommutativityImperfectProofs: 15 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown