/usr/bin/java -Xmx16000000000 -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/goblint-regression/28-race_reach_46-escape_racefree.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-01 17:03:01,202 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-06-01 17:03:01,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2021-06-01 17:03:01,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-01 17:03:01,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-01 17:03:01,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-01 17:03:01,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-06-01 17:03:01,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
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[2021-06-01 17:03:01,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2021-06-01 17:03:01,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-01 17:03:01,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-01 17:03:01,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-01 17:03:01,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-01 17:03:01,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-06-01 17:03:01,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-01 17:03:01,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-06-01 17:03:01,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-06-01 17:03:01,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-06-01 17:03:01,272 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
[2021-06-01 17:03:01,297 INFO L113 SettingsManager]: Loading preferences was successful
[2021-06-01 17:03:01,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-01 17:03:01,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-01 17:03:01,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-01 17:03:01,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-01 17:03:01,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-01 17:03:01,300 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-01 17:03:01,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-01 17:03:01,300 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-01 17:03:01,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-01 17:03:01,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-01 17:03:01,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 17:03:01,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-01 17:03:01,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-01 17:03:01,303 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-01 17:03:01,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-01 17:03:01,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-01 17:03:01,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-01 17:03:01,575 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-06-01 17:03:01,575 INFO L275 PluginConnector]: CDTParser initialized
[2021-06-01 17:03:01,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i
[2021-06-01 17:03:01,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49e1ab79/25cc1c1da64d4625bee26edf697174be/FLAG24b69b693
[2021-06-01 17:03:01,983 INFO L306 CDTParser]: Found 1 translation units.
[2021-06-01 17:03:01,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i
[2021-06-01 17:03:01,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49e1ab79/25cc1c1da64d4625bee26edf697174be/FLAG24b69b693
[2021-06-01 17:03:02,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49e1ab79/25cc1c1da64d4625bee26edf697174be
[2021-06-01 17:03:02,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-01 17:03:02,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-01 17:03:02,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-01 17:03:02,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-01 17:03:02,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-01 17:03:02,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ecbdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02, skipping insertion in model container
[2021-06-01 17:03:02,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-06-01 17:03:02,412 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-06-01 17:03:02,594 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926]
[2021-06-01 17:03:02,603 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 17:03:02,610 INFO L203 MainTranslator]: Completed pre-run
[2021-06-01 17:03:02,629 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926]
[2021-06-01 17:03:02,633 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 17:03:02,691 INFO L208 MainTranslator]: Completed translation
[2021-06-01 17:03:02,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02 WrapperNode
[2021-06-01 17:03:02,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-01 17:03:02,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-01 17:03:02,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-01 17:03:02,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-01 17:03:02,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-01 17:03:02,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-01 17:03:02,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-01 17:03:02,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-01 17:03:02,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
[2021-06-01 17:03:02,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-01 17:03:02,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-01 17:03:02,765 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-01 17:03:02,765 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-01 17:03:02,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 17:03:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-06-01 17:03:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-06-01 17:03:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2021-06-01 17:03:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-01 17:03:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2021-06-01 17:03:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2021-06-01 17:03:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-01 17:03:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-01 17:03:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-01 17:03:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-01 17:03:02,816 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-01 17:03:03,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-01 17:03:03,094 INFO L299 CfgBuilder]: Removed 14 assume(true) statements.
[2021-06-01 17:03:03,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 05:03:03 BoogieIcfgContainer
[2021-06-01 17:03:03,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-01 17:03:03,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-01 17:03:03,096 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-01 17:03:03,098 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-01 17:03:03,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 05:03:02" (1/3) ...
[2021-06-01 17:03:03,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784e0b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 05:03:03, skipping insertion in model container
[2021-06-01 17:03:03,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:03:02" (2/3) ...
[2021-06-01 17:03:03,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784e0b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 05:03:03, skipping insertion in model container
[2021-06-01 17:03:03,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 05:03:03" (3/3) ...
[2021-06-01 17:03:03,100 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i
[2021-06-01 17:03:03,105 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-01 17:03:03,105 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-01 17:03:03,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-01 17:03:03,105 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-01 17:03:03,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,134 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,136 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,137 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,137 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,137 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,137 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,138 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,139 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,147 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 17:03:03,152 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2021-06-01 17:03:03,166 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-06-01 17:03:03,186 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-01 17:03:03,186 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-01 17:03:03,186 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-01 17:03:03,186 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-01 17:03:03,186 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-01 17:03:03,187 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-01 17:03:03,187 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-01 17:03:03,187 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-01 17:03:03,197 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 102 transitions, 212 flow
[2021-06-01 17:03:03,233 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 606 states, 604 states have (on average 2.1887417218543046) internal successors, (1322), 605 states have internal predecessors, (1322), 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)
[2021-06-01 17:03:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 604 states have (on average 2.1887417218543046) internal successors, (1322), 605 states have internal predecessors, (1322), 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)
[2021-06-01 17:03:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2021-06-01 17:03:03,250 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 17:03:03,251 INFO L554 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]
[2021-06-01 17:03:03,253 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 17:03:03,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 17:03:03,257 INFO L82 PathProgramCache]: Analyzing trace with hash -206557193, now seen corresponding path program 1 times
[2021-06-01 17:03:03,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 17:03:03,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341215587]
[2021-06-01 17:03:03,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 17:03:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 17:03:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 17:03:03,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 17:03:03,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341215587]
[2021-06-01 17:03:03,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341215587] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 17:03:03,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 17:03:03,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-06-01 17:03:03,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820394088]
[2021-06-01 17:03:03,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-06-01 17:03:03,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 17:03:03,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-06-01 17:03:03,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2021-06-01 17:03:03,571 INFO L87 Difference]: Start difference. First operand has 606 states, 604 states have (on average 2.1887417218543046) internal successors, (1322), 605 states have internal predecessors, (1322), 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 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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)
[2021-06-01 17:03:03,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 17:03:03,896 INFO L93 Difference]: Finished difference Result 747 states and 1364 transitions.
[2021-06-01 17:03:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2021-06-01 17:03:03,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 49
[2021-06-01 17:03:03,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 17:03:03,911 INFO L225 Difference]: With dead ends: 747
[2021-06-01 17:03:03,911 INFO L226 Difference]: Without dead ends: 341
[2021-06-01 17:03:03,913 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 184.8ms TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506
[2021-06-01 17:03:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states.
[2021-06-01 17:03:03,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341.
[2021-06-01 17:03:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.776470588235294) internal successors, (604), 340 states have internal predecessors, (604), 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)
[2021-06-01 17:03:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 604 transitions.
[2021-06-01 17:03:03,950 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 604 transitions. Word has length 49
[2021-06-01 17:03:03,950 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 17:03:03,950 INFO L482 AbstractCegarLoop]: Abstraction has 341 states and 604 transitions.
[2021-06-01 17:03:03,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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)
[2021-06-01 17:03:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 604 transitions.
[2021-06-01 17:03:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2021-06-01 17:03:03,952 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 17:03:03,952 INFO L554 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]
[2021-06-01 17:03:03,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-01 17:03:03,952 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 17:03:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 17:03:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1486604063, now seen corresponding path program 1 times
[2021-06-01 17:03:03,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 17:03:03,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918511177]
[2021-06-01 17:03:03,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 17:03:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 17:03:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 17:03:04,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 17:03:04,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918511177]
[2021-06-01 17:03:04,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918511177] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 17:03:04,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 17:03:04,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-06-01 17:03:04,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496924854]
[2021-06-01 17:03:04,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-06-01 17:03:04,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 17:03:04,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-06-01 17:03:04,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-06-01 17:03:04,016 INFO L87 Difference]: Start difference. First operand 341 states and 604 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 17:03:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 17:03:04,060 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions.
[2021-06-01 17:03:04,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-06-01 17:03:04,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59
[2021-06-01 17:03:04,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 17:03:04,062 INFO L225 Difference]: With dead ends: 163
[2021-06-01 17:03:04,062 INFO L226 Difference]: Without dead ends: 151
[2021-06-01 17:03:04,062 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.6ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-06-01 17:03:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2021-06-01 17:03:04,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2021-06-01 17:03:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.4933333333333334) internal successors, (224), 150 states have internal predecessors, (224), 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)
[2021-06-01 17:03:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 224 transitions.
[2021-06-01 17:03:04,067 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 224 transitions. Word has length 59
[2021-06-01 17:03:04,067 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 17:03:04,067 INFO L482 AbstractCegarLoop]: Abstraction has 151 states and 224 transitions.
[2021-06-01 17:03:04,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 17:03:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions.
[2021-06-01 17:03:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2021-06-01 17:03:04,069 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 17:03:04,069 INFO L554 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]
[2021-06-01 17:03:04,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-01 17:03:04,069 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 17:03:04,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 17:03:04,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1866449416, now seen corresponding path program 1 times
[2021-06-01 17:03:04,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 17:03:04,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363616670]
[2021-06-01 17:03:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 17:03:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 17:03:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 17:03:04,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 17:03:04,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363616670]
[2021-06-01 17:03:04,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363616670] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 17:03:04,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 17:03:04,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2021-06-01 17:03:04,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244696516]
[2021-06-01 17:03:04,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states
[2021-06-01 17:03:04,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 17:03:04,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-06-01 17:03:04,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272
[2021-06-01 17:03:04,334 INFO L87 Difference]: Start difference. First operand 151 states and 224 transitions. Second operand has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 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)
[2021-06-01 17:03:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 17:03:04,808 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions.
[2021-06-01 17:03:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2021-06-01 17:03:04,808 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 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) Word has length 74
[2021-06-01 17:03:04,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 17:03:04,809 INFO L225 Difference]: With dead ends: 145
[2021-06-01 17:03:04,809 INFO L226 Difference]: Without dead ends: 0
[2021-06-01 17:03:04,809 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 488.5ms TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190
[2021-06-01 17:03:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-06-01 17:03:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-06-01 17:03:04,809 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)
[2021-06-01 17:03:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-06-01 17:03:04,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74
[2021-06-01 17:03:04,810 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 17:03:04,810 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-06-01 17:03:04,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 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)
[2021-06-01 17:03:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-06-01 17:03:04,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-06-01 17:03:04,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-01 17:03:04,811 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-01 17:03:04,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 05:03:04 BasicIcfg
[2021-06-01 17:03:04,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-01 17:03:04,813 INFO L168 Benchmark]: Toolchain (without parser) took 2449.15 ms. Allocated memory is still 396.4 MB. Free memory was 358.7 MB in the beginning and 260.2 MB in the end (delta: 98.5 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,814 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 396.4 MB. Free memory is still 376.6 MB. There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.76 ms. Allocated memory is still 396.4 MB. Free memory was 358.5 MB in the beginning and 359.3 MB in the end (delta: -794.8 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.56 ms. Allocated memory is still 396.4 MB. Free memory was 359.3 MB in the beginning and 357.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,815 INFO L168 Benchmark]: Boogie Preprocessor took 29.64 ms. Allocated memory is still 396.4 MB. Free memory was 357.2 MB in the beginning and 355.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,815 INFO L168 Benchmark]: RCFGBuilder took 330.71 ms. Allocated memory is still 396.4 MB. Free memory was 355.1 MB in the beginning and 326.8 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,815 INFO L168 Benchmark]: TraceAbstraction took 1716.82 ms. Allocated memory is still 396.4 MB. Free memory was 326.8 MB in the beginning and 260.2 MB in the end (delta: 66.6 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.0 GB.
[2021-06-01 17:03:04,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11 ms. Allocated memory is still 396.4 MB. Free memory is still 376.6 MB. There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 325.76 ms. Allocated memory is still 396.4 MB. Free memory was 358.5 MB in the beginning and 359.3 MB in the end (delta: -794.8 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 41.56 ms. Allocated memory is still 396.4 MB. Free memory was 359.3 MB in the beginning and 357.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 29.64 ms. Allocated memory is still 396.4 MB. Free memory was 357.2 MB in the beginning and 355.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 330.71 ms. Allocated memory is still 396.4 MB. Free memory was 355.1 MB in the beginning and 326.8 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 1716.82 ms. Allocated memory is still 396.4 MB. Free memory was 326.8 MB in the beginning and 260.2 MB in the end (delta: 66.6 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 684]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 3 procedures, 123 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1625.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 19.2ms, AutomataDifference: 874.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 304 SDtfs, 677 SDslu, 1393 SDs, 0 SdLazy, 365 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 200.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 695.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 34.4ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 93.8ms SatisfiabilityAnalysisTime, 443.9ms InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...