/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-60729f1
[2020-11-12 10:10:24,553 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-12 10:10:24,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-12 10:10:24,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-12 10:10:24,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-12 10:10:24,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-12 10:10:24,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-12 10:10:24,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-12 10:10:24,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-12 10:10:24,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-12 10:10:24,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-12 10:10:24,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-12 10:10:24,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-12 10:10:24,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-12 10:10:24,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-12 10:10:24,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-12 10:10:24,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-12 10:10:24,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-12 10:10:24,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-12 10:10:24,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-12 10:10:24,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-12 10:10:24,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-12 10:10:24,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-12 10:10:24,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-12 10:10:24,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-12 10:10:24,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-12 10:10:24,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-12 10:10:24,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-12 10:10:24,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-12 10:10:24,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-12 10:10:24,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-12 10:10:24,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-12 10:10:24,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-12 10:10:24,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-12 10:10:24,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-12 10:10:24,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-12 10:10:24,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-12 10:10:24,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-12 10:10:24,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-12 10:10:24,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-12 10:10:24,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-12 10:10:24,644 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-New_States.epf
[2020-11-12 10:10:24,673 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-12 10:10:24,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-12 10:10:24,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-12 10:10:24,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-12 10:10:24,676 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-12 10:10:24,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-12 10:10:24,676 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-12 10:10:24,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-12 10:10:24,677 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-12 10:10:24,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-12 10:10:24,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-12 10:10:24,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-12 10:10:24,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-12 10:10:24,681 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-12 10:10:24,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-12 10:10:24,681 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-12 10:10:24,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-12 10:10:24,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-12 10:10:24,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-12 10:10:24,682 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-12 10:10:24,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-12 10:10:24,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-12 10:10:24,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-12 10:10:24,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-12 10:10:24,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-12 10:10:24,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-12 10:10:24,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-12 10:10:24,684 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-11-12 10:10:24,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-12 10:10:24,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-11-12 10:10:24,685 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-12 10:10:25,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-12 10:10:25,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-12 10:10:25,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-12 10:10:25,071 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-12 10:10:25,071 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-12 10:10:25,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i
[2020-11-12 10:10:25,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f468f8e/1c9bb0b8cb794aecb0d348191bbf1f4a/FLAG6a2936b82
[2020-11-12 10:10:25,755 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-12 10:10:25,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/17_szymanski.i
[2020-11-12 10:10:25,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f468f8e/1c9bb0b8cb794aecb0d348191bbf1f4a/FLAG6a2936b82
[2020-11-12 10:10:26,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f468f8e/1c9bb0b8cb794aecb0d348191bbf1f4a
[2020-11-12 10:10:26,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-12 10:10:26,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-11-12 10:10:26,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-12 10:10:26,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-12 10:10:26,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-12 10:10:26,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9100679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26, skipping insertion in model container
[2020-11-12 10:10:26,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-12 10:10:26,171 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-12 10:10:26,484 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-12 10:10:26,494 INFO L203 MainTranslator]: Completed pre-run
[2020-11-12 10:10:26,543 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-12 10:10:26,652 INFO L208 MainTranslator]: Completed translation
[2020-11-12 10:10:26,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26 WrapperNode
[2020-11-12 10:10:26,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-12 10:10:26,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-11-12 10:10:26,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-11-12 10:10:26,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-11-12 10:10:26,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-11-12 10:10:26,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-12 10:10:26,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-12 10:10:26,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-12 10:10:26,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (1/1) ...
[2020-11-12 10:10:26,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-12 10:10:26,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-12 10:10:26,750 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-12 10:10:26,751 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-12 10:10:26,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (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
[2020-11-12 10:10:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2020-11-12 10:10:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2020-11-12 10:10:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-12 10:10:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-12 10:10:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-12 10:10:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-12 10:10:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-12 10:10:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-12 10:10:26,825 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-11-12 10:10:27,246 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-12 10:10:27,246 INFO L298 CfgBuilder]: Removed 20 assume(true) statements.
[2020-11-12 10:10:27,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:10:27 BoogieIcfgContainer
[2020-11-12 10:10:27,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-12 10:10:27,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-12 10:10:27,250 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-12 10:10:27,254 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-12 10:10:27,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:10:26" (1/3) ...
[2020-11-12 10:10:27,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd2e1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:10:27, skipping insertion in model container
[2020-11-12 10:10:27,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:10:26" (2/3) ...
[2020-11-12 10:10:27,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd2e1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:10:27, skipping insertion in model container
[2020-11-12 10:10:27,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:10:27" (3/3) ...
[2020-11-12 10:10:27,257 INFO L111 eAbstractionObserver]: Analyzing ICFG 17_szymanski.i
[2020-11-12 10:10:27,272 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-11-12 10:10:27,272 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-12 10:10:27,276 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-11-12 10:10:27,278 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-11-12 10:10:27,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,315 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,316 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,316 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,316 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 10:10:27,322 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-11-12 10:10:27,334 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-11-12 10:10:27,357 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-12 10:10:27,357 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-12 10:10:27,357 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-12 10:10:27,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-12 10:10:27,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-12 10:10:27,358 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-12 10:10:27,358 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-12 10:10:27,358 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-12 10:10:27,370 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 96 transitions, 197 flow
[2020-11-12 10:10:27,435 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 774 states, 770 states have (on average 2.8636363636363638) internal successors, (2205), 773 states have internal predecessors, (2205), 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)
[2020-11-12 10:11:19,912 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 52473ms
[2020-11-12 10:11:19,916 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 774 states, 770 states have (on average 2.8636363636363638) internal successors, (2205), 773 states have internal predecessors, (2205), 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)
[2020-11-12 10:11:27,972 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 2835448 states, 2794122 states have (on average 2.0010808404214275) internal successors, (5591264), 2835447 states have internal predecessors, (5591264), 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)
[2020-11-12 10:11:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 2835448 states, 2794122 states have (on average 2.0010808404214275) internal successors, (5591264), 2835447 states have internal predecessors, (5591264), 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)
[2020-11-12 10:11:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-11-12 10:11:29,525 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 10:11:29,526 INFO L494 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]
[2020-11-12 10:11:29,526 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 10:11:29,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 10:11:29,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1965527308, now seen corresponding path program 1 times
[2020-11-12 10:11:29,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 10:11:29,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906124965]
[2020-11-12 10:11:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 10:11:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 10:11:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-12 10:11:29,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906124965]
[2020-11-12 10:11:29,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 10:11:29,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-12 10:11:29,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608729140]
[2020-11-12 10:11:29,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-11-12 10:11:29,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 10:11:29,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-11-12 10:11:29,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-11-12 10:11:31,536 INFO L87 Difference]: Start difference. First operand has 2835448 states, 2794122 states have (on average 2.0010808404214275) internal successors, (5591264), 2835447 states have internal predecessors, (5591264), 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 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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)
[2020-11-12 10:11:31,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 10:11:31,710 INFO L93 Difference]: Finished difference Result 18806 states and 33180 transitions.
[2020-11-12 10:11:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-11-12 10:11:31,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 28
[2020-11-12 10:11:31,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 10:11:31,865 INFO L225 Difference]: With dead ends: 18806
[2020-11-12 10:11:31,865 INFO L226 Difference]: Without dead ends: 17410
[2020-11-12 10:11:31,868 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-11-12 10:11:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17410 states.
[2020-11-12 10:11:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17410 to 1088.
[2020-11-12 10:11:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1064 states have (on average 1.8195488721804511) internal successors, (1936), 1087 states have internal predecessors, (1936), 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)
[2020-11-12 10:11:32,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1936 transitions.
[2020-11-12 10:11:32,151 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1936 transitions. Word has length 28
[2020-11-12 10:11:32,151 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 10:11:32,152 INFO L481 AbstractCegarLoop]: Abstraction has 1088 states and 1936 transitions.
[2020-11-12 10:11:32,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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)
[2020-11-12 10:11:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1936 transitions.
[2020-11-12 10:11:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-11-12 10:11:32,153 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 10:11:32,153 INFO L494 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]
[2020-11-12 10:11:32,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-12 10:11:32,154 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 10:11:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 10:11:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1797642954, now seen corresponding path program 1 times
[2020-11-12 10:11:32,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 10:11:32,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079643100]
[2020-11-12 10:11:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 10:11:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 10:11:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-12 10:11:32,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079643100]
[2020-11-12 10:11:32,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 10:11:32,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-12 10:11:32,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469587620]
[2020-11-12 10:11:32,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-12 10:11:32,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 10:11:32,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-12 10:11:32,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,246 INFO L87 Difference]: Start difference. First operand 1088 states and 1936 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2020-11-12 10:11:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 10:11:32,282 INFO L93 Difference]: Finished difference Result 1513 states and 2717 transitions.
[2020-11-12 10:11:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-12 10:11:32,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28
[2020-11-12 10:11:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 10:11:32,292 INFO L225 Difference]: With dead ends: 1513
[2020-11-12 10:11:32,292 INFO L226 Difference]: Without dead ends: 1513
[2020-11-12 10:11:32,293 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states.
[2020-11-12 10:11:32,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1044.
[2020-11-12 10:11:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1026 states have (on average 1.820662768031189) internal successors, (1868), 1043 states have internal predecessors, (1868), 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)
[2020-11-12 10:11:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1868 transitions.
[2020-11-12 10:11:32,325 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1868 transitions. Word has length 28
[2020-11-12 10:11:32,326 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 10:11:32,326 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 1868 transitions.
[2020-11-12 10:11:32,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2020-11-12 10:11:32,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1868 transitions.
[2020-11-12 10:11:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2020-11-12 10:11:32,328 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 10:11:32,329 INFO L494 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]
[2020-11-12 10:11:32,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-12 10:11:32,329 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 10:11:32,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 10:11:32,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1292248925, now seen corresponding path program 1 times
[2020-11-12 10:11:32,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 10:11:32,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476424903]
[2020-11-12 10:11:32,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 10:11:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 10:11:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-12 10:11:32,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476424903]
[2020-11-12 10:11:32,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 10:11:32,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-12 10:11:32,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676401362]
[2020-11-12 10:11:32,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-12 10:11:32,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 10:11:32,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-12 10:11:32,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,383 INFO L87 Difference]: Start difference. First operand 1044 states and 1868 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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)
[2020-11-12 10:11:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 10:11:32,419 INFO L93 Difference]: Finished difference Result 1436 states and 2585 transitions.
[2020-11-12 10:11:32,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-12 10:11:32,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 32
[2020-11-12 10:11:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 10:11:32,427 INFO L225 Difference]: With dead ends: 1436
[2020-11-12 10:11:32,428 INFO L226 Difference]: Without dead ends: 1281
[2020-11-12 10:11:32,428 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states.
[2020-11-12 10:11:32,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 895.
[2020-11-12 10:11:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 882 states have (on average 1.846938775510204) internal successors, (1629), 894 states have internal predecessors, (1629), 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)
[2020-11-12 10:11:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1629 transitions.
[2020-11-12 10:11:32,455 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1629 transitions. Word has length 32
[2020-11-12 10:11:32,456 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 10:11:32,456 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1629 transitions.
[2020-11-12 10:11:32,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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)
[2020-11-12 10:11:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1629 transitions.
[2020-11-12 10:11:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-11-12 10:11:32,459 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 10:11:32,459 INFO L494 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]
[2020-11-12 10:11:32,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-12 10:11:32,459 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 10:11:32,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 10:11:32,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2002684810, now seen corresponding path program 1 times
[2020-11-12 10:11:32,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 10:11:32,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754798837]
[2020-11-12 10:11:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 10:11:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 10:11:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-12 10:11:32,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754798837]
[2020-11-12 10:11:32,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 10:11:32,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-12 10:11:32,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611131766]
[2020-11-12 10:11:32,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-12 10:11:32,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 10:11:32,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-12 10:11:32,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,516 INFO L87 Difference]: Start difference. First operand 895 states and 1629 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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)
[2020-11-12 10:11:32,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 10:11:32,561 INFO L93 Difference]: Finished difference Result 799 states and 1410 transitions.
[2020-11-12 10:11:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-12 10:11:32,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41
[2020-11-12 10:11:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 10:11:32,566 INFO L225 Difference]: With dead ends: 799
[2020-11-12 10:11:32,566 INFO L226 Difference]: Without dead ends: 776
[2020-11-12 10:11:32,567 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states.
[2020-11-12 10:11:32,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 734.
[2020-11-12 10:11:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 721 states have (on average 1.7975034674063801) internal successors, (1296), 733 states have internal predecessors, (1296), 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)
[2020-11-12 10:11:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1296 transitions.
[2020-11-12 10:11:32,587 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1296 transitions. Word has length 41
[2020-11-12 10:11:32,587 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 10:11:32,588 INFO L481 AbstractCegarLoop]: Abstraction has 734 states and 1296 transitions.
[2020-11-12 10:11:32,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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)
[2020-11-12 10:11:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1296 transitions.
[2020-11-12 10:11:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-11-12 10:11:32,590 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 10:11:32,590 INFO L494 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]
[2020-11-12 10:11:32,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-12 10:11:32,590 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 10:11:32,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 10:11:32,591 INFO L82 PathProgramCache]: Analyzing trace with hash 24608808, now seen corresponding path program 2 times
[2020-11-12 10:11:32,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 10:11:32,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326445759]
[2020-11-12 10:11:32,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 10:11:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 10:11:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-12 10:11:32,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326445759]
[2020-11-12 10:11:32,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 10:11:32,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-12 10:11:32,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913929044]
[2020-11-12 10:11:32,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-12 10:11:32,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 10:11:32,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-12 10:11:32,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,646 INFO L87 Difference]: Start difference. First operand 734 states and 1296 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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)
[2020-11-12 10:11:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 10:11:32,688 INFO L93 Difference]: Finished difference Result 698 states and 1203 transitions.
[2020-11-12 10:11:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-12 10:11:32,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41
[2020-11-12 10:11:32,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 10:11:32,692 INFO L225 Difference]: With dead ends: 698
[2020-11-12 10:11:32,693 INFO L226 Difference]: Without dead ends: 698
[2020-11-12 10:11:32,693 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states.
[2020-11-12 10:11:32,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 689.
[2020-11-12 10:11:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 676 states have (on average 1.7544378698224852) internal successors, (1186), 688 states have internal predecessors, (1186), 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)
[2020-11-12 10:11:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1186 transitions.
[2020-11-12 10:11:32,712 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1186 transitions. Word has length 41
[2020-11-12 10:11:32,712 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 10:11:32,712 INFO L481 AbstractCegarLoop]: Abstraction has 689 states and 1186 transitions.
[2020-11-12 10:11:32,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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)
[2020-11-12 10:11:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1186 transitions.
[2020-11-12 10:11:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-11-12 10:11:32,714 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 10:11:32,714 INFO L494 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]
[2020-11-12 10:11:32,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-12 10:11:32,715 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 10:11:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 10:11:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash -297439550, now seen corresponding path program 3 times
[2020-11-12 10:11:32,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 10:11:32,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273826926]
[2020-11-12 10:11:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 10:11:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 10:11:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-12 10:11:32,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273826926]
[2020-11-12 10:11:32,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 10:11:32,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-12 10:11:32,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530619991]
[2020-11-12 10:11:32,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-12 10:11:32,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 10:11:32,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-12 10:11:32,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,762 INFO L87 Difference]: Start difference. First operand 689 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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)
[2020-11-12 10:11:32,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 10:11:32,797 INFO L93 Difference]: Finished difference Result 497 states and 845 transitions.
[2020-11-12 10:11:32,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-12 10:11:32,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41
[2020-11-12 10:11:32,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 10:11:32,798 INFO L225 Difference]: With dead ends: 497
[2020-11-12 10:11:32,798 INFO L226 Difference]: Without dead ends: 0
[2020-11-12 10:11:32,798 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-12 10:11:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-12 10:11:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-12 10:11:32,799 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)
[2020-11-12 10:11:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-12 10:11:32,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41
[2020-11-12 10:11:32,799 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 10:11:32,800 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-12 10:11:32,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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)
[2020-11-12 10:11:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-12 10:11:32,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-12 10:11:32,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-12 10:11:32,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 10:11:32 BasicIcfg
[2020-11-12 10:11:32,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-12 10:11:32,808 INFO L168 Benchmark]: Toolchain (without parser) took 66736.61 ms. Allocated memory was 308.3 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 281.8 MB in the beginning and 8.6 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.0 GB. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,809 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory was 279.3 MB in the beginning and 279.1 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.19 ms. Allocated memory is still 308.3 MB. Free memory was 281.2 MB in the beginning and 282.0 MB in the end (delta: -789.6 kB). Peak memory consumption was 25.6 MB. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.74 ms. Allocated memory is still 308.3 MB. Free memory was 281.8 MB in the beginning and 279.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,812 INFO L168 Benchmark]: Boogie Preprocessor took 30.24 ms. Allocated memory is still 308.3 MB. Free memory was 279.9 MB in the beginning and 278.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,812 INFO L168 Benchmark]: RCFGBuilder took 498.18 ms. Allocated memory is still 308.3 MB. Free memory was 278.9 MB in the beginning and 255.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,813 INFO L168 Benchmark]: TraceAbstraction took 65555.51 ms. Allocated memory was 308.3 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 255.8 MB in the beginning and 8.6 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.0 GB. Max. memory is 16.0 GB.
[2020-11-12 10:11:32,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory was 279.3 MB in the beginning and 279.1 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 575.19 ms. Allocated memory is still 308.3 MB. Free memory was 281.2 MB in the beginning and 282.0 MB in the end (delta: -789.6 kB). Peak memory consumption was 25.6 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 62.74 ms. Allocated memory is still 308.3 MB. Free memory was 281.8 MB in the beginning and 279.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 30.24 ms. Allocated memory is still 308.3 MB. Free memory was 279.9 MB in the beginning and 278.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
* RCFGBuilder took 498.18 ms. Allocated memory is still 308.3 MB. Free memory was 278.9 MB in the beginning and 255.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 65555.51 ms. Allocated memory was 308.3 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 255.8 MB in the beginning and 8.6 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.0 GB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 71 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 60.6s, HoareTripleCheckerStatistics: 475 SDtfs, 155 SDslu, 221 SDs, 0 SdLazy, 76 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2835448occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 17228 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 9175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...