/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-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 01:52:38,700 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-10 01:52:38,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-10 01:52:38,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-10 01:52:38,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-10 01:52:38,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-10 01:52:38,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-10 01:52:38,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-02-10 01:52:38,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-02-10 01:52:38,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
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[2022-02-10 01:52:38,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-10 01:52:38,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-10 01:52:38,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-10 01:52:38,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-10 01:52:38,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-10 01:52:38,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-10 01:52:38,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-10 01:52:38,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-10 01:52:38,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-10 01:52:38,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-10 01:52:38,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-10 01:52:38,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-10 01:52:38,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-10 01:52:38,772 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-MCRwithDepranks-BasicCegarLoop.epf
[2022-02-10 01:52:38,793 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-10 01:52:38,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 01:52:38,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 01:52:38,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 01:52:38,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 01:52:38,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 01:52:38,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 01:52:38,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-10 01:52:38,795 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-10 01:52:38,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 01:52:38,796 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-10 01:52:38,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-10 01:52:38,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 01:52:38,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 01:52:38,798 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-10 01:52:38,799 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-10 01:52:38,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 01:52:38,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 01:52:38,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 01:52:38,984 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-10 01:52:38,994 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-10 01:52:38,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i
[2022-02-10 01:52:39,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a0e06e4/3c2bf0a12a604439982c8ed01014014c/FLAG98ac0ab10
[2022-02-10 01:52:39,389 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-10 01:52:39,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i
[2022-02-10 01:52:39,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a0e06e4/3c2bf0a12a604439982c8ed01014014c/FLAG98ac0ab10
[2022-02-10 01:52:39,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a0e06e4/3c2bf0a12a604439982c8ed01014014c
[2022-02-10 01:52:39,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 01:52:39,793 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-10 01:52:39,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-10 01:52:39,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-10 01:52:39,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-10 01:52:39,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:52:39" (1/1) ...
[2022-02-10 01:52:39,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb42a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:39, skipping insertion in model container
[2022-02-10 01:52:39,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:52:39" (1/1) ...
[2022-02-10 01:52:39,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-10 01:52:39,849 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-10 01:52:39,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110]
[2022-02-10 01:52:40,058 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 01:52:40,069 INFO L203 MainTranslator]: Completed pre-run
[2022-02-10 01:52:40,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110]
[2022-02-10 01:52:40,106 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 01:52:40,141 INFO L208 MainTranslator]: Completed translation
[2022-02-10 01:52:40,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40 WrapperNode
[2022-02-10 01:52:40,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-10 01:52:40,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 01:52:40,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 01:52:40,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 01:52:40,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,200 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48
[2022-02-10 01:52:40,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 01:52:40,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 01:52:40,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 01:52:40,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 01:52:40,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 01:52:40,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 01:52:40,228 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 01:52:40,228 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-10 01:52:40,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (1/1) ...
[2022-02-10 01:52:40,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 01:52:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 01:52:40,261 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)
[2022-02-10 01:52:40,268 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
[2022-02-10 01:52:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-10 01:52:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-10 01:52:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-10 01:52:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-10 01:52:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-10 01:52:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-10 01:52:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-10 01:52:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-10 01:52:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 01:52:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 01:52:40,297 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 01:52:40,388 INFO L234 CfgBuilder]: Building ICFG
[2022-02-10 01:52:40,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 01:52:40,520 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-10 01:52:40,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 01:52:40,525 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-10 01:52:40,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:52:40 BoogieIcfgContainer
[2022-02-10 01:52:40,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 01:52:40,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 01:52:40,527 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 01:52:40,530 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-10 01:52:40,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:52:39" (1/3) ...
[2022-02-10 01:52:40,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480a486d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:52:40, skipping insertion in model container
[2022-02-10 01:52:40,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:40" (2/3) ...
[2022-02-10 01:52:40,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480a486d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:52:40, skipping insertion in model container
[2022-02-10 01:52:40,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:52:40" (3/3) ...
[2022-02-10 01:52:40,541 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i
[2022-02-10 01:52:40,545 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 01:52:40,545 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 01:52:40,545 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-10 01:52:40,545 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 01:52:40,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,568 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,574 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:52:40,580 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-10 01:52:40,610 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 01:52:40,615 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
[2022-02-10 01:52:40,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-02-10 01:52:40,622 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 66 transitions, 137 flow
[2022-02-10 01:52:40,651 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186 states, 185 states have (on average 1.7027027027027026) internal successors, (315), 185 states have internal predecessors, (315), 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)
[2022-02-10 01:52:40,811 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2727 transitions and produced 1640 states.
[2022-02-10 01:52:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 1640 states, 1322 states have (on average 1.2549167927382754) internal successors, (1659), 1639 states have internal predecessors, (1659), 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)
[2022-02-10 01:52:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2022-02-10 01:52:40,843 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:52:40,844 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]
[2022-02-10 01:52:40,844 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-10 01:52:40,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:52:40,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times
[2022-02-10 01:52:40,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:52:40,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044458466]
[2022-02-10 01:52:40,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:52:40,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:52:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:52:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:52:41,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:52:41,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044458466]
[2022-02-10 01:52:41,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044458466] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:52:41,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:52:41,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-10 01:52:41,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325709465]
[2022-02-10 01:52:41,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:52:41,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-10 01:52:41,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:52:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-10 01:52:41,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-10 01:52:41,215 INFO L87 Difference]: Start difference. First operand has 1640 states, 1322 states have (on average 1.2549167927382754) internal successors, (1659), 1639 states have internal predecessors, (1659), 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 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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)
[2022-02-10 01:52:41,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:52:41,326 INFO L93 Difference]: Finished difference Result 1480 states and 1499 transitions.
[2022-02-10 01:52:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-10 01:52:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 45
[2022-02-10 01:52:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:52:41,337 INFO L225 Difference]: With dead ends: 1480
[2022-02-10 01:52:41,337 INFO L226 Difference]: Without dead ends: 501
[2022-02-10 01:52:41,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-02-10 01:52:41,341 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 29 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:52:41,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 214 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:52:41,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states.
[2022-02-10 01:52:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 102.
[2022-02-10 01:52:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.118811881188119) internal successors, (113), 101 states have internal predecessors, (113), 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)
[2022-02-10 01:52:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions.
[2022-02-10 01:52:41,374 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 45
[2022-02-10 01:52:41,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:52:41,374 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions.
[2022-02-10 01:52:41,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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)
[2022-02-10 01:52:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions.
[2022-02-10 01:52:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2022-02-10 01:52:41,375 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:52:41,375 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]
[2022-02-10 01:52:41,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-10 01:52:41,376 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-10 01:52:41,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:52:41,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1262365766, now seen corresponding path program 1 times
[2022-02-10 01:52:41,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:52:41,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555800737]
[2022-02-10 01:52:41,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:52:41,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:52:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:52:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:52:41,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:52:41,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555800737]
[2022-02-10 01:52:41,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555800737] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:52:41,497 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:52:41,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-10 01:52:41,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589416406]
[2022-02-10 01:52:41,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:52:41,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-10 01:52:41,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:52:41,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-10 01:52:41,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-02-10 01:52:41,504 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:52:41,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:52:41,575 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions.
[2022-02-10 01:52:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-10 01:52:41,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51
[2022-02-10 01:52:41,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:52:41,578 INFO L225 Difference]: With dead ends: 76
[2022-02-10 01:52:41,578 INFO L226 Difference]: Without dead ends: 74
[2022-02-10 01:52:41,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-02-10 01:52:41,583 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 69 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:52:41,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 88 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:52:41,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2022-02-10 01:52:41,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2022-02-10 01:52:41,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.0136986301369864) internal successors, (74), 73 states have internal predecessors, (74), 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)
[2022-02-10 01:52:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions.
[2022-02-10 01:52:41,600 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 51
[2022-02-10 01:52:41,600 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:52:41,601 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions.
[2022-02-10 01:52:41,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:52:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions.
[2022-02-10 01:52:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2022-02-10 01:52:41,602 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:52:41,602 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]
[2022-02-10 01:52:41,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-10 01:52:41,602 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-10 01:52:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:52:41,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1362363078, now seen corresponding path program 2 times
[2022-02-10 01:52:41,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:52:41,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011795943]
[2022-02-10 01:52:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:52:41,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:52:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:52:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:52:41,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:52:41,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011795943]
[2022-02-10 01:52:41,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011795943] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:52:41,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:52:41,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-10 01:52:41,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169628613]
[2022-02-10 01:52:41,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:52:41,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-10 01:52:41,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:52:41,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-10 01:52:41,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-02-10 01:52:41,742 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:52:41,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:52:41,800 INFO L93 Difference]: Finished difference Result 65 states and 64 transitions.
[2022-02-10 01:52:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-10 01:52:41,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51
[2022-02-10 01:52:41,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:52:41,801 INFO L225 Difference]: With dead ends: 65
[2022-02-10 01:52:41,801 INFO L226 Difference]: Without dead ends: 56
[2022-02-10 01:52:41,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-02-10 01:52:41,804 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 57 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:52:41,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 107 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:52:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2022-02-10 01:52:41,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2022-02-10 01:52:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.0) internal successors, (55), 55 states have internal predecessors, (55), 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)
[2022-02-10 01:52:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 55 transitions.
[2022-02-10 01:52:41,812 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 55 transitions. Word has length 51
[2022-02-10 01:52:41,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:52:41,814 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 55 transitions.
[2022-02-10 01:52:41,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:52:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 55 transitions.
[2022-02-10 01:52:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2022-02-10 01:52:41,816 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:52:41,817 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]
[2022-02-10 01:52:41,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-10 01:52:41,817 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-10 01:52:41,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:52:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1452136571, now seen corresponding path program 1 times
[2022-02-10 01:52:41,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:52:41,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104010084]
[2022-02-10 01:52:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:52:41,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:52:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-10 01:52:41,840 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-10 01:52:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-10 01:52:41,885 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-10 01:52:41,885 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-10 01:52:41,886 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2022-02-10 01:52:41,888 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining)
[2022-02-10 01:52:41,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-10 01:52:41,891 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2022-02-10 01:52:41,894 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-10 01:52:41,895 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-10 01:52:41,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 01:52:41 BasicIcfg
[2022-02-10 01:52:41,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-10 01:52:41,934 INFO L158 Benchmark]: Toolchain (without parser) took 2141.07ms. Allocated memory was 207.6MB in the beginning and 251.7MB in the end (delta: 44.0MB). Free memory was 156.8MB in the beginning and 200.9MB in the end (delta: -44.2MB). Peak memory consumption was 658.3kB. Max. memory is 8.0GB.
[2022-02-10 01:52:41,934 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 207.6MB. Free memory was 174.4MB in the beginning and 174.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-10 01:52:41,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.73ms. Allocated memory is still 207.6MB. Free memory was 156.6MB in the beginning and 175.1MB in the end (delta: -18.5MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB.
[2022-02-10 01:52:41,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.87ms. Allocated memory is still 207.6MB. Free memory was 175.1MB in the beginning and 173.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-10 01:52:41,935 INFO L158 Benchmark]: Boogie Preprocessor took 26.89ms. Allocated memory is still 207.6MB. Free memory was 173.0MB in the beginning and 172.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-10 01:52:41,935 INFO L158 Benchmark]: RCFGBuilder took 297.79ms. Allocated memory is still 207.6MB. Free memory was 172.0MB in the beginning and 160.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-10 01:52:41,935 INFO L158 Benchmark]: TraceAbstraction took 1406.16ms. Allocated memory was 207.6MB in the beginning and 251.7MB in the end (delta: 44.0MB). Free memory was 159.9MB in the beginning and 200.9MB in the end (delta: -41.0MB). Peak memory consumption was 4.1MB. Max. memory is 8.0GB.
[2022-02-10 01:52:41,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 207.6MB. Free memory was 174.4MB in the beginning and 174.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 345.73ms. Allocated memory is still 207.6MB. Free memory was 156.6MB in the beginning and 175.1MB in the end (delta: -18.5MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 57.87ms. Allocated memory is still 207.6MB. Free memory was 175.1MB in the beginning and 173.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 26.89ms. Allocated memory is still 207.6MB. Free memory was 173.0MB in the beginning and 172.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 297.79ms. Allocated memory is still 207.6MB. Free memory was 172.0MB in the beginning and 160.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 1406.16ms. Allocated memory was 207.6MB in the beginning and 251.7MB in the end (delta: 44.0MB). Free memory was 159.9MB in the beginning and 200.9MB in the end (delta: -41.0MB). Peak memory consumption was 4.1MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0
- 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
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L681] 0 int g = 0;
VAL [g=0]
[L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
VAL [A={3:0}, g=0]
[L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
VAL [A={3:0}, D={4:0}, g=0]
[L693] 0 pthread_t id;
VAL [A={3:0}, D={4:0}, g=0, id={5:0}]
[L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1]
[L687] 1 g = 17
VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17]
[L698] CALL 0 __VERIFIER_assert(g == 0)
[L19] COND TRUE 0 !(cond)
VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17]
[L19] 0 reach_error()
VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17]
- UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 409 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 265 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 149 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1640occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 399 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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
RESULT: Ultimate proved your program to be incorrect!
[2022-02-10 01:52:41,969 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...