/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 14:59:41,597 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 14:59:41,599 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-05-04 14:59:41,636 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-05-04 14:59:41,636 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-05-04 14:59:41,640 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 14:59:41,642 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-05-04 14:59:41,645 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-05-04 14:59:41,646 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-05-04 14:59:41,651 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2023-05-04 14:59:41,653 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-05-04 14:59:41,653 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-05-04 14:59:41,655 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-05-04 14:59:41,657 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 14:59:41,658 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 14:59:41,659 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 14:59:41,660 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 14:59:41,661 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 14:59:41,665 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 14:59:41,666 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 14:59:41,668 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 14:59:41,669 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 14:59:41,670 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 14:59:41,674 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-05-04 14:59:41,674 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-05-04 14:59:41,674 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-05-04 14:59:41,675 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-05-04 14:59:41,675 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-05-04 14:59:41,676 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 14:59:41,676 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-05-04 14:59:41,677 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-05-04 14:59:41,677 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 14:59:41,678 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-05-04 14:59:41,678 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-05-04 14:59:41,679 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-05-04 14:59:41,679 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-05-04 14:59:41,679 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-05-04 14:59:41,679 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-05-04 14:59:41,680 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-05-04 14:59:41,681 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 14:59:41,682 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 14:59:41,707 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 14:59:41,707 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 14:59:41,707 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 14:59:41,707 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 14:59:41,708 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 14:59:41,708 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 14:59:41,709 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 14:59:41,709 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 14:59:41,709 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 14:59:41,709 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 14:59:41,710 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 14:59:41,710 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 14:59:41,710 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 14:59:41,710 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 14:59:41,711 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 14:59:41,711 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 14:59:41,711 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 14:59:41,711 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 14:59:41,711 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 14:59:41,711 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 14:59:41,712 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 14:59:41,712 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 14:59:41,712 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 14:59:41,713 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 14:59:41,713 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 14:59:41,713 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 14:59:41,713 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 14:59:41,714 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 14:59:41,715 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 14:59:41,715 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 14:59:41,715 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE
[2023-05-04 14:59:41,964 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 14:59:41,984 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 14:59:41,987 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 14:59:41,988 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 14:59:41,989 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 14:59:41,990 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c
[2023-05-04 14:59:42,036 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5411d7df/1a1f55ba3ae94463af5cfc787c28a43a/FLAG6fef2309a
[2023-05-04 14:59:42,402 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 14:59:42,403 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c
[2023-05-04 14:59:42,411 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5411d7df/1a1f55ba3ae94463af5cfc787c28a43a/FLAG6fef2309a
[2023-05-04 14:59:42,790 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5411d7df/1a1f55ba3ae94463af5cfc787c28a43a
[2023-05-04 14:59:42,792 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 14:59:42,793 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 14:59:42,798 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 14:59:42,798 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 14:59:42,801 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 14:59:42,801 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:59:42" (1/1) ...
[2023-05-04 14:59:42,804 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fba87e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:42, skipping insertion in model container
[2023-05-04 14:59:42,804 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:59:42" (1/1) ...
[2023-05-04 14:59:42,809 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 14:59:42,838 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 14:59:43,101 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c[6450,6463]
[2023-05-04 14:59:43,116 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 14:59:43,127 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 14:59:43,189 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c[6450,6463]
[2023-05-04 14:59:43,195 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 14:59:43,214 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 14:59:43,214 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43 WrapperNode
[2023-05-04 14:59:43,214 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 14:59:43,216 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 14:59:43,216 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 14:59:43,216 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 14:59:43,222 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,242 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,278 INFO  L138                Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 28, calls inlined = 42, statements flattened = 574
[2023-05-04 14:59:43,278 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 14:59:43,279 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 14:59:43,279 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 14:59:43,279 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 14:59:43,295 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,296 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,301 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,301 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,321 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,331 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,333 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,335 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,339 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 14:59:43,340 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 14:59:43,340 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 14:59:43,340 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 14:59:43,355 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (1/1) ...
[2023-05-04 14:59:43,365 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 14:59:43,374 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 14:59:43,390 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-05-04 14:59:43,413 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-05-04 14:59:43,430 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 14:59:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 14:59:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 14:59:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 14:59:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-05-04 14:59:43,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-05-04 14:59:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-05-04 14:59:43,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-05-04 14:59:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-05-04 14:59:43,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-05-04 14:59:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 14:59:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-05-04 14:59:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 14:59:43,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 14:59:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 14:59:43,434 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-05-04 14:59:43,595 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 14:59:43,596 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 14:59:44,339 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 14:59:44,357 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 14:59:44,357 INFO  L300             CfgBuilder]: Removed 6 assume(true) statements.
[2023-05-04 14:59:44,360 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:59:44 BoogieIcfgContainer
[2023-05-04 14:59:44,361 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 14:59:44,363 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 14:59:44,363 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 14:59:44,367 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 14:59:44,367 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 02:59:42" (1/3) ...
[2023-05-04 14:59:44,368 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e09d820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:59:44, skipping insertion in model container
[2023-05-04 14:59:44,368 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:59:43" (2/3) ...
[2023-05-04 14:59:44,368 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e09d820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:59:44, skipping insertion in model container
[2023-05-04 14:59:44,369 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:59:44" (3/3) ...
[2023-05-04 14:59:44,370 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c
[2023-05-04 14:59:44,376 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 14:59:44,384 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 14:59:44,385 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-05-04 14:59:44,385 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 14:59:44,545 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-05-04 14:59:44,609 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 14:59:44,610 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 14:59:44,610 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 14:59:44,617 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 14:59:44,641 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-05-04 14:59:44,657 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 14:59:44,675 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-05-04 14:59:44,680 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f32bf3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 14:59:44,680 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-05-04 14:59:45,208 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 14:59:45,214 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 14:59:45,214 INFO  L85        PathProgramCache]: Analyzing trace with hash -1747404456, now seen corresponding path program 1 times
[2023-05-04 14:59:45,221 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 14:59:45,222 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591583153]
[2023-05-04 14:59:45,222 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 14:59:45,223 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 14:59:45,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 14:59:45,680 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 14:59:45,682 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 14:59:45,682 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591583153]
[2023-05-04 14:59:45,683 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591583153] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 14:59:45,683 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 14:59:45,683 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-05-04 14:59:45,685 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396146651]
[2023-05-04 14:59:45,685 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 14:59:45,691 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-05-04 14:59:45,692 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 14:59:45,712 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-05-04 14:59:45,714 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-05-04 14:59:45,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:45,721 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 14:59:45,723 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 14:59:45,723 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:50,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:50,518 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 14:59:50,519 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 14:59:50,519 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 14:59:50,519 INFO  L85        PathProgramCache]: Analyzing trace with hash 547624146, now seen corresponding path program 1 times
[2023-05-04 14:59:50,520 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 14:59:50,520 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137860883]
[2023-05-04 14:59:50,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 14:59:50,520 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 14:59:50,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 14:59:50,921 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 14:59:50,921 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 14:59:50,921 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137860883]
[2023-05-04 14:59:50,922 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137860883] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 14:59:50,922 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 14:59:50,922 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-05-04 14:59:50,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176285643]
[2023-05-04 14:59:50,922 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 14:59:50,924 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-05-04 14:59:50,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 14:59:50,924 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-05-04 14:59:50,925 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-05-04 14:59:50,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:50,926 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 14:59:50,927 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 68.0) internal successors, (340), 5 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 14:59:50,927 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:50,927 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:53,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:53,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 14:59:53,844 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-05-04 14:59:53,844 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 14:59:53,845 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 14:59:53,845 INFO  L85        PathProgramCache]: Analyzing trace with hash 1089863392, now seen corresponding path program 1 times
[2023-05-04 14:59:53,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 14:59:53,845 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851180369]
[2023-05-04 14:59:53,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 14:59:53,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 14:59:53,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 14:59:54,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-05-04 14:59:54,271 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 14:59:54,271 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851180369]
[2023-05-04 14:59:54,271 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851180369] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 14:59:54,271 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450667744]
[2023-05-04 14:59:54,272 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 14:59:54,272 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 14:59:54,272 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 14:59:54,278 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 14:59:54,322 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-05-04 14:59:54,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 14:59:54,558 INFO  L263         TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-05-04 14:59:54,578 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 14:59:54,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-05-04 14:59:54,740 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 14:59:54,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-05-04 14:59:54,838 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450667744] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 14:59:54,838 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 14:59:54,839 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2023-05-04 14:59:54,839 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390030385]
[2023-05-04 14:59:54,839 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 14:59:54,840 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-05-04 14:59:54,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 14:59:54,841 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-05-04 14:59:54,842 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2023-05-04 14:59:54,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:54,842 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 14:59:54,842 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 26.2) internal successors, (393), 15 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 14:59:54,843 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:54,843 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 14:59:54,843 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:57,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:57,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 14:59:57,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 14:59:57,371 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-05-04 14:59:57,553 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2023-05-04 14:59:57,553 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 14:59:57,554 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 14:59:57,554 INFO  L85        PathProgramCache]: Analyzing trace with hash -1443268356, now seen corresponding path program 2 times
[2023-05-04 14:59:57,554 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 14:59:57,554 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089990636]
[2023-05-04 14:59:57,554 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 14:59:57,555 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 14:59:57,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 14:59:58,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-05-04 14:59:58,042 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 14:59:58,043 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089990636]
[2023-05-04 14:59:58,044 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089990636] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 14:59:58,044 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888956661]
[2023-05-04 14:59:58,044 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-05-04 14:59:58,044 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 14:59:58,044 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 14:59:58,046 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 14:59:58,066 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-05-04 14:59:58,239 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-05-04 14:59:58,239 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 14:59:58,243 INFO  L263         TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-05-04 14:59:58,252 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 14:59:58,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.
[2023-05-04 14:59:58,475 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-05-04 14:59:58,476 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888956661] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 14:59:58,476 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-05-04 14:59:58,476 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15
[2023-05-04 14:59:58,476 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013974434]
[2023-05-04 14:59:58,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 14:59:58,477 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-05-04 14:59:58,477 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 14:59:58,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-05-04 14:59:58,479 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210
[2023-05-04 14:59:58,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:58,479 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 14:59:58,480 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 14:59:58,480 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 14:59:58,480 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 14:59:58,480 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 14:59:58,480 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:00,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:00,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 15:00:00,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 15:00:00,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-05-04 15:00:00,688 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-05-04 15:00:00,885 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 15:00:00,886 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 15:00:00,886 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 15:00:00,886 INFO  L85        PathProgramCache]: Analyzing trace with hash -41447541, now seen corresponding path program 1 times
[2023-05-04 15:00:00,886 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 15:00:00,886 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938114959]
[2023-05-04 15:00:00,887 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 15:00:00,887 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 15:00:00,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 15:00:01,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-05-04 15:00:01,288 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 15:00:01,289 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938114959]
[2023-05-04 15:00:01,289 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938114959] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 15:00:01,290 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583179180]
[2023-05-04 15:00:01,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 15:00:01,290 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 15:00:01,290 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 15:00:01,291 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 15:00:01,315 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-05-04 15:00:01,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 15:00:01,493 INFO  L263         TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-05-04 15:00:01,498 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 15:00:01,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-05-04 15:00:01,679 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 15:00:01,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-05-04 15:00:01,821 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [583179180] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 15:00:01,821 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 15:00:01,822 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2023-05-04 15:00:01,823 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952833140]
[2023-05-04 15:00:01,823 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 15:00:01,824 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-05-04 15:00:01,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 15:00:01,825 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-05-04 15:00:01,825 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462
[2023-05-04 15:00:01,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:01,825 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 15:00:01,826 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 17.954545454545453) internal successors, (395), 22 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 15:00:01,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:01,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 15:00:01,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 15:00:01,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2023-05-04 15:00:01,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:04,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:04,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 15:00:04,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 15:00:04,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-05-04 15:00:04,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-05-04 15:00:04,141 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-05-04 15:00:04,333 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 15:00:04,333 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 15:00:04,333 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 15:00:04,334 INFO  L85        PathProgramCache]: Analyzing trace with hash -1400926553, now seen corresponding path program 2 times
[2023-05-04 15:00:04,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 15:00:04,334 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88245850]
[2023-05-04 15:00:04,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 15:00:04,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 15:00:04,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 15:00:04,596 INFO  L134       CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked.
[2023-05-04 15:00:04,596 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 15:00:04,597 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88245850]
[2023-05-04 15:00:04,597 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88245850] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 15:00:04,597 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 15:00:04,597 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-05-04 15:00:04,597 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572504593]
[2023-05-04 15:00:04,597 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 15:00:04,598 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 15:00:04,598 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 15:00:04,598 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 15:00:04,599 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-05-04 15:00:04,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:04,599 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 15:00:04,599 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 15:00:04,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:04,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 15:00:04,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 15:00:04,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2023-05-04 15:00:04,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2023-05-04 15:00:04,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:29,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:29,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 15:00:29,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 15:00:29,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 15:00:29,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-05-04 15:00:29,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 15:00:29,705 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-05-04 15:00:29,705 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 15:00:29,705 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 15:00:29,706 INFO  L85        PathProgramCache]: Analyzing trace with hash 1595466414, now seen corresponding path program 1 times
[2023-05-04 15:00:29,706 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 15:00:29,706 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178231167]
[2023-05-04 15:00:29,706 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 15:00:29,706 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 15:00:29,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 15:00:30,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 196 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked.
[2023-05-04 15:00:30,198 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 15:00:30,198 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178231167]
[2023-05-04 15:00:30,198 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178231167] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 15:00:30,198 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 15:00:30,199 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-05-04 15:00:30,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654379793]
[2023-05-04 15:00:30,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 15:00:30,199 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-05-04 15:00:30,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 15:00:30,200 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-05-04 15:00:30,200 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-05-04 15:00:30,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:30,200 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 15:00:30,201 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 15:00:30,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 15:00:30,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-05-04 15:00:30,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-05-04 15:00:30,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 15:00:30,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2023-05-04 15:00:30,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 15:00:30,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.