/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-18 14:27:43,583 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-18 14:27:43,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-18 14:27:43,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-18 14:27:43,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-18 14:27:43,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-18 14:27:43,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-18 14:27:43,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-18 14:27:43,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-18 14:27:43,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-18 14:27:43,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-18 14:27:43,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-18 14:27:43,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-18 14:27:43,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-18 14:27:43,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-18 14:27:43,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-18 14:27:43,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-18 14:27:43,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-18 14:27:43,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-18 14:27:43,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-18 14:27:43,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-18 14:27:43,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-18 14:27:43,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-18 14:27:43,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-18 14:27:43,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-18 14:27:43,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-18 14:27:43,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-18 14:27:43,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-18 14:27:43,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-18 14:27:43,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-18 14:27:43,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-18 14:27:43,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-18 14:27:43,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-18 14:27:43,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-18 14:27:43,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-18 14:27:43,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-18 14:27:43,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-18 14:27:43,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-18 14:27:43,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-18 14:27:43,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2022-02-18 14:27:43,703 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-18 14:27:43,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-18 14:27:43,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-18 14:27:43,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-18 14:27:43,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-18 14:27:43,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-18 14:27:43,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-18 14:27:43,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-18 14:27:43,705 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-18 14:27:43,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-18 14:27:43,706 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-18 14:27:43,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-18 14:27:43,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 14:27:43,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-18 14:27:43,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-18 14:27:43,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-18 14:27:43,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-18 14:27:43,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-18 14:27:43,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-18 14:27:43,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-18 14:27:43,708 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-18 14:27:43,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-18 14:27:43,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-18 14:27:43,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-18 14:27:43,962 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-18 14:27:43,966 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-18 14:27:43,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c
[2022-02-18 14:27:44,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2b19bed/0bc4976181f84d66bc7fbb47cd5631e9/FLAG8be2cea4e
[2022-02-18 14:27:44,400 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-18 14:27:44,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c
[2022-02-18 14:27:44,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2b19bed/0bc4976181f84d66bc7fbb47cd5631e9/FLAG8be2cea4e
[2022-02-18 14:27:44,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2b19bed/0bc4976181f84d66bc7fbb47cd5631e9
[2022-02-18 14:27:44,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-18 14:27:44,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-18 14:27:44,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-18 14:27:44,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-18 14:27:44,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-18 14:27:44,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fe9c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44, skipping insertion in model container
[2022-02-18 14:27:44,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-18 14:27:44,450 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-18 14:27:44,678 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/parallel-simple-equiv.wvr.c[2212,2225]
[2022-02-18 14:27:44,681 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-18 14:27:44,689 INFO L203 MainTranslator]: Completed pre-run
[2022-02-18 14:27:44,716 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/parallel-simple-equiv.wvr.c[2212,2225]
[2022-02-18 14:27:44,717 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-18 14:27:44,728 INFO L208 MainTranslator]: Completed translation
[2022-02-18 14:27:44,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44 WrapperNode
[2022-02-18 14:27:44,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-18 14:27:44,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-18 14:27:44,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-18 14:27:44,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-18 14:27:44,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,755 INFO L137 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2022-02-18 14:27:44,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-18 14:27:44,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-18 14:27:44,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-18 14:27:44,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-18 14:27:44,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-18 14:27:44,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-18 14:27:44,781 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-18 14:27:44,781 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-18 14:27:44,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (1/1) ...
[2022-02-18 14:27:44,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 14:27:44,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 14:27:44,809 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)
[2022-02-18 14:27:44,831 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
[2022-02-18 14:27:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-18 14:27:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-18 14:27:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-18 14:27:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-18 14:27:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-18 14:27:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-18 14:27:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-18 14:27:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-18 14:27:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-18 14:27:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-18 14:27:44,854 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-18 14:27:44,918 INFO L234 CfgBuilder]: Building ICFG
[2022-02-18 14:27:44,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-18 14:27:45,098 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-18 14:27:45,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-18 14:27:45,133 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-18 14:27:45,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:27:45 BoogieIcfgContainer
[2022-02-18 14:27:45,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-18 14:27:45,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-18 14:27:45,140 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-18 14:27:45,143 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-18 14:27:45,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 02:27:44" (1/3) ...
[2022-02-18 14:27:45,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8efc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:27:45, skipping insertion in model container
[2022-02-18 14:27:45,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:27:44" (2/3) ...
[2022-02-18 14:27:45,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8efc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:27:45, skipping insertion in model container
[2022-02-18 14:27:45,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:27:45" (3/3) ...
[2022-02-18 14:27:45,145 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c
[2022-02-18 14:27:45,149 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-18 14:27:45,149 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-18 14:27:45,149 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-18 14:27:45,149 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-18 14:27:45,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,190 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,190 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 14:27:45,203 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-18 14:27:45,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-18 14:27:45,266 INFO L339 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-18 14:27:45,267 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-18 14:27:45,281 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 94 transitions, 212 flow
[2022-02-18 14:27:45,358 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 718 states, 717 states have (on average 2.7601115760111576) internal successors, (1979), 717 states have internal predecessors, (1979), 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)
[2022-02-18 14:27:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 718 states, 717 states have (on average 2.7601115760111576) internal successors, (1979), 717 states have internal predecessors, (1979), 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)
[2022-02-18 14:27:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2022-02-18 14:27:45,390 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 14:27:45,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 14:27:45,391 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 14:27:45,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 14:27:45,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1730819524, now seen corresponding path program 1 times
[2022-02-18 14:27:45,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 14:27:45,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292317629]
[2022-02-18 14:27:45,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 14:27:45,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 14:27:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 14:27:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 14:27:46,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 14:27:46,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292317629]
[2022-02-18 14:27:46,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292317629] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 14:27:46,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 14:27:46,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-02-18 14:27:46,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985597750]
[2022-02-18 14:27:46,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 14:27:46,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-02-18 14:27:46,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 14:27:46,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-02-18 14:27:46,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2022-02-18 14:27:46,327 INFO L87 Difference]: Start difference. First operand has 718 states, 717 states have (on average 2.7601115760111576) internal successors, (1979), 717 states have internal predecessors, (1979), 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) Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:46,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 14:27:46,933 INFO L93 Difference]: Finished difference Result 1142 states and 3196 transitions.
[2022-02-18 14:27:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2022-02-18 14:27:46,936 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) Word has length 76
[2022-02-18 14:27:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 14:27:46,965 INFO L225 Difference]: With dead ends: 1142
[2022-02-18 14:27:46,965 INFO L226 Difference]: Without dead ends: 743
[2022-02-18 14:27:46,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342
[2022-02-18 14:27:46,971 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 224 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-02-18 14:27:46,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 801 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-02-18 14:27:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states.
[2022-02-18 14:27:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 668.
[2022-02-18 14:27:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 667 states have (on average 2.658170914542729) internal successors, (1773), 667 states have internal predecessors, (1773), 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)
[2022-02-18 14:27:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1773 transitions.
[2022-02-18 14:27:47,072 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1773 transitions. Word has length 76
[2022-02-18 14:27:47,072 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 14:27:47,072 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 1773 transitions.
[2022-02-18 14:27:47,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1773 transitions.
[2022-02-18 14:27:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2022-02-18 14:27:47,084 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 14:27:47,084 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 14:27:47,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-18 14:27:47,085 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 14:27:47,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 14:27:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash -862010738, now seen corresponding path program 2 times
[2022-02-18 14:27:47,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 14:27:47,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570278239]
[2022-02-18 14:27:47,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 14:27:47,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 14:27:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 14:27:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 14:27:47,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 14:27:47,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570278239]
[2022-02-18 14:27:47,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570278239] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 14:27:47,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 14:27:47,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-02-18 14:27:47,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135787580]
[2022-02-18 14:27:47,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 14:27:47,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-02-18 14:27:47,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 14:27:47,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-02-18 14:27:47,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2022-02-18 14:27:47,503 INFO L87 Difference]: Start difference. First operand 668 states and 1773 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 14:27:47,897 INFO L93 Difference]: Finished difference Result 1070 states and 2914 transitions.
[2022-02-18 14:27:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-18 14:27:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) Word has length 76
[2022-02-18 14:27:47,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 14:27:47,901 INFO L225 Difference]: With dead ends: 1070
[2022-02-18 14:27:47,901 INFO L226 Difference]: Without dead ends: 554
[2022-02-18 14:27:47,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306
[2022-02-18 14:27:47,903 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 194 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-02-18 14:27:47,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 799 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-02-18 14:27:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states.
[2022-02-18 14:27:47,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 506.
[2022-02-18 14:27:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 505 states have (on average 2.6514851485148516) internal successors, (1339), 505 states have internal predecessors, (1339), 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)
[2022-02-18 14:27:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 1339 transitions.
[2022-02-18 14:27:47,930 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 1339 transitions. Word has length 76
[2022-02-18 14:27:47,932 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 14:27:47,933 INFO L470 AbstractCegarLoop]: Abstraction has 506 states and 1339 transitions.
[2022-02-18 14:27:47,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1339 transitions.
[2022-02-18 14:27:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2022-02-18 14:27:47,937 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 14:27:47,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 14:27:47,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-18 14:27:47,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 14:27:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 14:27:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash -772275794, now seen corresponding path program 3 times
[2022-02-18 14:27:47,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 14:27:47,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218920025]
[2022-02-18 14:27:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 14:27:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 14:27:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 14:27:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 14:27:48,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 14:27:48,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218920025]
[2022-02-18 14:27:48,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218920025] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 14:27:48,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 14:27:48,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-02-18 14:27:48,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082047606]
[2022-02-18 14:27:48,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 14:27:48,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-02-18 14:27:48,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 14:27:48,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-02-18 14:27:48,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2022-02-18 14:27:48,330 INFO L87 Difference]: Start difference. First operand 506 states and 1339 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:48,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 14:27:48,616 INFO L93 Difference]: Finished difference Result 704 states and 1861 transitions.
[2022-02-18 14:27:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-18 14:27:48,617 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) Word has length 76
[2022-02-18 14:27:48,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 14:27:48,619 INFO L225 Difference]: With dead ends: 704
[2022-02-18 14:27:48,619 INFO L226 Difference]: Without dead ends: 383
[2022-02-18 14:27:48,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306
[2022-02-18 14:27:48,621 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 164 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 14:27:48,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 681 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 14:27:48,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states.
[2022-02-18 14:27:48,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383.
[2022-02-18 14:27:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 2.5785340314136125) internal successors, (985), 382 states have internal predecessors, (985), 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)
[2022-02-18 14:27:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 985 transitions.
[2022-02-18 14:27:48,633 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 985 transitions. Word has length 76
[2022-02-18 14:27:48,635 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 14:27:48,635 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 985 transitions.
[2022-02-18 14:27:48,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 985 transitions.
[2022-02-18 14:27:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2022-02-18 14:27:48,637 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 14:27:48,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 14:27:48,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-18 14:27:48,638 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 14:27:48,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 14:27:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1755740052, now seen corresponding path program 4 times
[2022-02-18 14:27:48,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 14:27:48,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048163248]
[2022-02-18 14:27:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 14:27:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 14:27:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 14:27:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 14:27:48,993 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 14:27:48,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048163248]
[2022-02-18 14:27:48,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048163248] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 14:27:48,993 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 14:27:48,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-02-18 14:27:48,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210229652]
[2022-02-18 14:27:48,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 14:27:48,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-02-18 14:27:48,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 14:27:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-02-18 14:27:48,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2022-02-18 14:27:48,995 INFO L87 Difference]: Start difference. First operand 383 states and 985 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:49,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 14:27:49,377 INFO L93 Difference]: Finished difference Result 533 states and 1366 transitions.
[2022-02-18 14:27:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-18 14:27:49,378 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) Word has length 76
[2022-02-18 14:27:49,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 14:27:49,380 INFO L225 Difference]: With dead ends: 533
[2022-02-18 14:27:49,380 INFO L226 Difference]: Without dead ends: 290
[2022-02-18 14:27:49,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306
[2022-02-18 14:27:49,382 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 152 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-02-18 14:27:49,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 524 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-02-18 14:27:49,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states.
[2022-02-18 14:27:49,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290.
[2022-02-18 14:27:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 289 states have (on average 2.3079584775086506) internal successors, (667), 289 states have internal predecessors, (667), 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)
[2022-02-18 14:27:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 667 transitions.
[2022-02-18 14:27:49,395 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 667 transitions. Word has length 76
[2022-02-18 14:27:49,395 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 14:27:49,395 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 667 transitions.
[2022-02-18 14:27:49,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 667 transitions.
[2022-02-18 14:27:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2022-02-18 14:27:49,398 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 14:27:49,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 14:27:49,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-18 14:27:49,399 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 14:27:49,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 14:27:49,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1929562288, now seen corresponding path program 5 times
[2022-02-18 14:27:49,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 14:27:49,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633577702]
[2022-02-18 14:27:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 14:27:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 14:27:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 14:27:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 14:27:49,716 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 14:27:49,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633577702]
[2022-02-18 14:27:49,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633577702] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 14:27:49,716 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 14:27:49,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-02-18 14:27:49,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414386038]
[2022-02-18 14:27:49,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 14:27:49,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-02-18 14:27:49,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 14:27:49,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-02-18 14:27:49,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2022-02-18 14:27:49,719 INFO L87 Difference]: Start difference. First operand 290 states and 667 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 14:27:49,974 INFO L93 Difference]: Finished difference Result 287 states and 664 transitions.
[2022-02-18 14:27:49,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 14:27:49,974 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) Word has length 76
[2022-02-18 14:27:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 14:27:49,974 INFO L225 Difference]: With dead ends: 287
[2022-02-18 14:27:49,974 INFO L226 Difference]: Without dead ends: 0
[2022-02-18 14:27:49,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306
[2022-02-18 14:27:49,976 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 130 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 14:27:49,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 645 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 14:27:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-18 14:27:49,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-18 14:27:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-02-18 14:27:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-18 14:27:49,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76
[2022-02-18 14:27:49,981 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 14:27:49,981 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-18 14:27:49,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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)
[2022-02-18 14:27:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-18 14:27:49,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-18 14:27:49,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2022-02-18 14:27:49,984 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-18 14:27:49,984 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-18 14:27:49,984 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-18 14:27:49,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-18 14:27:49,987 INFO L732 BasicCegarLoop]: Path program histogram: [5]
[2022-02-18 14:27:49,988 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-18 14:27:49,988 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-18 14:27:49,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 02:27:49 BasicIcfg
[2022-02-18 14:27:49,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-18 14:27:49,991 INFO L158 Benchmark]: Toolchain (without parser) took 5566.94ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 121.4MB in the beginning and 191.5MB in the end (delta: -70.1MB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 14:27:49,992 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 14:27:49,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.65ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 121.2MB in the beginning and 216.9MB in the end (delta: -95.7MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB.
[2022-02-18 14:27:49,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.84ms. Allocated memory is still 247.5MB. Free memory was 216.9MB in the beginning and 215.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-18 14:27:49,992 INFO L158 Benchmark]: Boogie Preprocessor took 16.09ms. Allocated memory is still 247.5MB. Free memory was 215.3MB in the beginning and 214.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-18 14:27:49,993 INFO L158 Benchmark]: RCFGBuilder took 357.98ms. Allocated memory is still 247.5MB. Free memory was 213.7MB in the beginning and 200.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2022-02-18 14:27:49,993 INFO L158 Benchmark]: TraceAbstraction took 4851.06ms. Allocated memory is still 247.5MB. Free memory was 200.1MB in the beginning and 191.5MB in the end (delta: 8.6MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB.
[2022-02-18 14:27:49,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 302.65ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 121.2MB in the beginning and 216.9MB in the end (delta: -95.7MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 26.84ms. Allocated memory is still 247.5MB. Free memory was 216.9MB in the beginning and 215.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 16.09ms. Allocated memory is still 247.5MB. Free memory was 215.3MB in the beginning and 214.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 357.98ms. Allocated memory is still 247.5MB. Free memory was 213.7MB in the beginning and 200.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 4851.06ms. Allocated memory is still 247.5MB. Free memory was 200.1MB in the beginning and 191.5MB in the end (delta: 8.6MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 82]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 864 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 864 mSDsluCounter, 3450 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3269 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1203 IncrementalHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 530 mSDtfsCounter, 1203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 11 SyntacticMatches, 9 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 375 ConstructedInterpolants, 0 QuantifiedInterpolants, 6728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-18 14:27:50,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...