/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/pthread-ext/18_read_write_lock.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-01 15:01:45,773 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-06-01 15:01:45,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2021-06-01 15:01:45,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-01 15:01:45,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-01 15:01:45,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-01 15:01:45,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-01 15:01:45,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-01 15:01:45,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-01 15:01:45,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-06-01 15:01:45,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-01 15:01:45,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-01 15:01:45,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-01 15:01:45,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-01 15:01:45,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-01 15:01:45,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-01 15:01:45,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-01 15:01:45,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-01 15:01:45,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-01 15:01:45,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-01 15:01:45,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-01 15:01:45,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-06-01 15:01:45,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-01 15:01:45,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-06-01 15:01:45,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-06-01 15:01:45,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-06-01 15:01:45,868 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 15:01:45,903 INFO L113 SettingsManager]: Loading preferences was successful
[2021-06-01 15:01:45,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-01 15:01:45,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-01 15:01:45,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-01 15:01:45,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-01 15:01:45,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-01 15:01:45,906 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-01 15:01:45,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-01 15:01:45,907 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-01 15:01:45,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-01 15:01:45,908 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-01 15:01:45,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-01 15:01:45,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-01 15:01:45,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-01 15:01:45,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-01 15:01:45,909 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-01 15:01:45,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-01 15:01:45,909 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-01 15:01:45,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-01 15:01:45,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-01 15:01:45,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-01 15:01:45,910 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-01 15:01:45,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-01 15:01:45,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 15:01:45,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-01 15:01:45,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-01 15:01:45,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-01 15:01:45,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-01 15:01:45,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-01 15:01:45,911 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-01 15:01:45,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-01 15:01:45,911 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-01 15:01:46,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-01 15:01:46,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-01 15:01:46,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-01 15:01:46,227 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-06-01 15:01:46,228 INFO L275 PluginConnector]: CDTParser initialized
[2021-06-01 15:01:46,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i
[2021-06-01 15:01:46,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8494cbaa/a1235dc44d394d589791e40ada80ee33/FLAGa58dc2e3b
[2021-06-01 15:01:46,879 INFO L306 CDTParser]: Found 1 translation units.
[2021-06-01 15:01:46,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i
[2021-06-01 15:01:46,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8494cbaa/a1235dc44d394d589791e40ada80ee33/FLAGa58dc2e3b
[2021-06-01 15:01:47,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8494cbaa/a1235dc44d394d589791e40ada80ee33
[2021-06-01 15:01:47,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-01 15:01:47,088 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-01 15:01:47,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-01 15:01:47,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-01 15:01:47,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-01 15:01:47,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4459c8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47, skipping insertion in model container
[2021-06-01 15:01:47,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-06-01 15:01:47,147 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-06-01 15:01:47,357 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2021-06-01 15:01:47,462 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174]
[2021-06-01 15:01:47,469 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 15:01:47,474 INFO L203 MainTranslator]: Completed pre-run
[2021-06-01 15:01:47,486 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2021-06-01 15:01:47,520 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174]
[2021-06-01 15:01:47,522 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 15:01:47,574 INFO L208 MainTranslator]: Completed translation
[2021-06-01 15:01:47,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47 WrapperNode
[2021-06-01 15:01:47,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-01 15:01:47,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-01 15:01:47,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-01 15:01:47,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-01 15:01:47,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-01 15:01:47,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-01 15:01:47,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-01 15:01:47,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-01 15:01:47,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (1/1) ...
[2021-06-01 15:01:47,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-01 15:01:47,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-01 15:01:47,633 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-01 15:01:47,633 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-01 15:01:47,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (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 15:01:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2021-06-01 15:01:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2021-06-01 15:01:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-06-01 15:01:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-01 15:01:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-01 15:01:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-01 15:01:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-01 15:01:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-01 15:01:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-01 15:01:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-01 15:01:47,704 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 15:01:48,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-01 15:01:48,219 INFO L299 CfgBuilder]: Removed 6 assume(true) statements.
[2021-06-01 15:01:48,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 03:01:48 BoogieIcfgContainer
[2021-06-01 15:01:48,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-01 15:01:48,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-01 15:01:48,224 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-01 15:01:48,226 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-01 15:01:48,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 03:01:47" (1/3) ...
[2021-06-01 15:01:48,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e613f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 03:01:48, skipping insertion in model container
[2021-06-01 15:01:48,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 03:01:47" (2/3) ...
[2021-06-01 15:01:48,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e613f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 03:01:48, skipping insertion in model container
[2021-06-01 15:01:48,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 03:01:48" (3/3) ...
[2021-06-01 15:01:48,229 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i
[2021-06-01 15:01:48,234 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-01 15:01:48,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-01 15:01:48,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-01 15:01:48,235 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-01 15:01:48,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 15:01:48,279 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-01 15:01:48,297 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-06-01 15:01:48,318 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-01 15:01:48,318 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-01 15:01:48,318 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-01 15:01:48,318 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-01 15:01:48,318 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-01 15:01:48,318 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-01 15:01:48,318 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-01 15:01:48,318 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-01 15:01:48,325 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions, 107 flow
[2021-06-01 15:01:48,348 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 200 states, 198 states have (on average 1.797979797979798) internal successors, (356), 199 states have internal predecessors, (356), 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 15:01:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 198 states have (on average 1.797979797979798) internal successors, (356), 199 states have internal predecessors, (356), 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 15:01:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-06-01 15:01:48,358 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 15:01:48,359 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]
[2021-06-01 15:01:48,359 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 15:01:48,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 15:01:48,363 INFO L82 PathProgramCache]: Analyzing trace with hash 180770886, now seen corresponding path program 1 times
[2021-06-01 15:01:48,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 15:01:48,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303513559]
[2021-06-01 15:01:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 15:01:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 15:01:48,602 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 15:01:48,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 15:01:48,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303513559]
[2021-06-01 15:01:48,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303513559] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 15:01:48,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 15:01:48,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-01 15:01:48,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125110621]
[2021-06-01 15:01:48,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-01 15:01:48,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 15:01:48,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-01 15:01:48,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-01 15:01:48,626 INFO L87 Difference]: Start difference. First operand has 200 states, 198 states have (on average 1.797979797979798) internal successors, (356), 199 states have internal predecessors, (356), 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 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 15:01:48,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 15:01:48,740 INFO L93 Difference]: Finished difference Result 251 states and 432 transitions.
[2021-06-01 15:01:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-06-01 15:01:48,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 31
[2021-06-01 15:01:48,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 15:01:48,751 INFO L225 Difference]: With dead ends: 251
[2021-06-01 15:01:48,751 INFO L226 Difference]: Without dead ends: 75
[2021-06-01 15:01:48,752 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 49.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2021-06-01 15:01:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2021-06-01 15:01:48,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2021-06-01 15:01:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 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 15:01:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions.
[2021-06-01 15:01:48,781 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 31
[2021-06-01 15:01:48,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 15:01:48,781 INFO L482 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions.
[2021-06-01 15:01:48,781 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 15:01:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions.
[2021-06-01 15:01:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-06-01 15:01:48,782 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 15:01:48,783 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]
[2021-06-01 15:01:48,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-01 15:01:48,783 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 15:01:48,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 15:01:48,784 INFO L82 PathProgramCache]: Analyzing trace with hash 410451431, now seen corresponding path program 1 times
[2021-06-01 15:01:48,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 15:01:48,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585107933]
[2021-06-01 15:01:48,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 15:01:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 15:01:48,870 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 15:01:48,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 15:01:48,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585107933]
[2021-06-01 15:01:48,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585107933] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 15:01:48,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 15:01:48,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-06-01 15:01:48,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788910921]
[2021-06-01 15:01:48,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-06-01 15:01:48,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 15:01:48,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-06-01 15:01:48,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-06-01 15:01:48,873 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 15:01:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 15:01:48,889 INFO L93 Difference]: Finished difference Result 75 states and 110 transitions.
[2021-06-01 15:01:48,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-06-01 15:01:48,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34
[2021-06-01 15:01:48,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 15:01:48,892 INFO L225 Difference]: With dead ends: 75
[2021-06-01 15:01:48,893 INFO L226 Difference]: Without dead ends: 68
[2021-06-01 15:01:48,893 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-06-01 15:01:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2021-06-01 15:01:48,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2021-06-01 15:01:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4477611940298507) internal successors, (97), 67 states have internal predecessors, (97), 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 15:01:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 97 transitions.
[2021-06-01 15:01:48,901 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 97 transitions. Word has length 34
[2021-06-01 15:01:48,901 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 15:01:48,901 INFO L482 AbstractCegarLoop]: Abstraction has 68 states and 97 transitions.
[2021-06-01 15:01:48,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 15:01:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions.
[2021-06-01 15:01:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-06-01 15:01:48,903 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 15:01:48,903 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]
[2021-06-01 15:01:48,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-01 15:01:48,903 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 15:01:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 15:01:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash -778223727, now seen corresponding path program 2 times
[2021-06-01 15:01:48,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 15:01:48,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262603335]
[2021-06-01 15:01:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 15:01:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 15:01:48,966 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 15:01:48,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 15:01:48,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262603335]
[2021-06-01 15:01:48,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262603335] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 15:01:48,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 15:01:48,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-06-01 15:01:48,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579288987]
[2021-06-01 15:01:48,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-06-01 15:01:48,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 15:01:48,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-06-01 15:01:48,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-06-01 15:01:48,968 INFO L87 Difference]: Start difference. First operand 68 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 15:01:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 15:01:48,974 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions.
[2021-06-01 15:01:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-06-01 15:01:48,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34
[2021-06-01 15:01:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 15:01:48,975 INFO L225 Difference]: With dead ends: 40
[2021-06-01 15:01:48,975 INFO L226 Difference]: Without dead ends: 0
[2021-06-01 15:01:48,977 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-06-01 15:01:48,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-06-01 15:01:48,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-06-01 15:01:48,978 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 15:01:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-06-01 15:01:48,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34
[2021-06-01 15:01:48,978 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 15:01:48,978 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-06-01 15:01:48,978 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 15:01:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-06-01 15:01:48,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-06-01 15:01:48,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-01 15:01:48,981 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-01 15:01:48,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 03:01:48 BasicIcfg
[2021-06-01 15:01:48,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-01 15:01:48,984 INFO L168 Benchmark]: Toolchain (without parser) took 1895.73 ms. Allocated memory is still 346.0 MB. Free memory was 308.5 MB in the beginning and 216.8 MB in the end (delta: 91.8 MB). Peak memory consumption was 92.7 MB. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,984 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 346.0 MB. Free memory was 326.6 MB in the beginning and 326.5 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.39 ms. Allocated memory is still 346.0 MB. Free memory was 308.4 MB in the beginning and 308.0 MB in the end (delta: 428.1 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 ms. Allocated memory is still 346.0 MB. Free memory was 308.0 MB in the beginning and 305.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,986 INFO L168 Benchmark]: Boogie Preprocessor took 17.70 ms. Allocated memory is still 346.0 MB. Free memory was 305.9 MB in the beginning and 304.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,986 INFO L168 Benchmark]: RCFGBuilder took 589.13 ms. Allocated memory is still 346.0 MB. Free memory was 304.8 MB in the beginning and 273.4 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,987 INFO L168 Benchmark]: TraceAbstraction took 758.98 ms. Allocated memory is still 346.0 MB. Free memory was 272.3 MB in the beginning and 216.8 MB in the end (delta: 55.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.0 GB.
[2021-06-01 15:01:48,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.15 ms. Allocated memory is still 346.0 MB. Free memory was 326.6 MB in the beginning and 326.5 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 484.39 ms. Allocated memory is still 346.0 MB. Free memory was 308.4 MB in the beginning and 308.0 MB in the end (delta: 428.1 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 38.29 ms. Allocated memory is still 346.0 MB. Free memory was 308.0 MB in the beginning and 305.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 17.70 ms. Allocated memory is still 346.0 MB. Free memory was 305.9 MB in the beginning and 304.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 589.13 ms. Allocated memory is still 346.0 MB. Free memory was 304.8 MB in the beginning and 273.4 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 758.98 ms. Allocated memory is still 346.0 MB. Free memory was 272.3 MB in the beginning and 216.8 MB in the end (delta: 55.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 738]: 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, 59 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 663.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 11.8ms, AutomataDifference: 172.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 143 SDtfs, 95 SDslu, 264 SDs, 0 SdLazy, 51 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 59.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.1ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.4ms SsaConstructionTime, 63.6ms SatisfiabilityAnalysisTime, 235.9ms InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 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...