/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-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-60729f1
[2020-11-12 06:18:58,825 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-12 06:18:58,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-12 06:18:58,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-12 06:18:58,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-12 06:18:58,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-12 06:18:58,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-12 06:18:58,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-12 06:18:58,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-12 06:18:58,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-12 06:18:58,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-12 06:18:58,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-12 06:18:58,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-12 06:18:58,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-12 06:18:58,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-12 06:18:58,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-12 06:18:58,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-12 06:18:58,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-12 06:18:58,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-12 06:18:58,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-12 06:18:58,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-12 06:18:58,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-12 06:18:58,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-12 06:18:58,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-12 06:18:58,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-12 06:18:58,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-12 06:18:58,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-12 06:18:58,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-12 06:18:58,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-12 06:18:58,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-12 06:18:58,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-12 06:18:58,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-12 06:18:58,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-12 06:18:58,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-12 06:18:58,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-12 06:18:58,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-12 06:18:58,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-12 06:18:58,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-12 06:18:58,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-12 06:18:58,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-12 06:18:58,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-12 06:18:58,915 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-Delay.epf
[2020-11-12 06:18:58,944 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-12 06:18:58,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-12 06:18:58,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-12 06:18:58,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-12 06:18:58,947 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-12 06:18:58,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-12 06:18:58,948 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-12 06:18:58,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-12 06:18:58,949 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-12 06:18:58,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-12 06:18:58,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-12 06:18:58,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-12 06:18:58,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-12 06:18:58,952 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-12 06:18:58,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-12 06:18:58,952 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-12 06:18:58,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-12 06:18:58,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-12 06:18:58,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-12 06:18:58,954 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-12 06:18:58,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-12 06:18:58,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-12 06:18:58,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-12 06:18:58,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-12 06:18:58,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-12 06:18:58,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-12 06:18:58,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-12 06:18:58,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-11-12 06:18:58,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-12 06:18:58,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-11-12 06:18:58,957 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-12 06:18:59,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-12 06:18:59,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-12 06:18:59,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-12 06:18:59,431 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-12 06:18:59,432 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-12 06:18:59,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i
[2020-11-12 06:18:59,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80de937a5/1ffd99910428412dae207b8c01ca7753/FLAG7eb93c858
[2020-11-12 06:19:00,338 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-12 06:19:00,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i
[2020-11-12 06:19:00,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80de937a5/1ffd99910428412dae207b8c01ca7753/FLAG7eb93c858
[2020-11-12 06:19:00,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80de937a5/1ffd99910428412dae207b8c01ca7753
[2020-11-12 06:19:00,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-12 06:19:00,558 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-11-12 06:19:00,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-12 06:19:00,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-12 06:19:00,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-12 06:19:00,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:00" (1/1) ...
[2020-11-12 06:19:00,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc5566c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:00, skipping insertion in model container
[2020-11-12 06:19:00,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:00" (1/1) ...
[2020-11-12 06:19:00,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-12 06:19:00,657 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-12 06:19:01,121 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-12 06:19:01,137 INFO L203 MainTranslator]: Completed pre-run
[2020-11-12 06:19:01,248 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-12 06:19:01,385 INFO L208 MainTranslator]: Completed translation
[2020-11-12 06:19:01,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01 WrapperNode
[2020-11-12 06:19:01,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-12 06:19:01,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-11-12 06:19:01,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-11-12 06:19:01,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-11-12 06:19:01,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-11-12 06:19:01,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-12 06:19:01,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-12 06:19:01,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-12 06:19:01,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (1/1) ...
[2020-11-12 06:19:01,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-12 06:19:01,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-12 06:19:01,562 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-12 06:19:01,562 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-12 06:19:01,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (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 06:19:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-12 06:19:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-11-12 06:19:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-12 06:19:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-12 06:19:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-11-12 06:19:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-11-12 06:19:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-11-12 06:19:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-11-12 06:19:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-11-12 06:19:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-11-12 06:19:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-12 06:19:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-11-12 06:19:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-12 06:19:01,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-12 06:19:01,653 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 06:19:02,144 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-12 06:19:02,144 INFO L298 CfgBuilder]: Removed 10 assume(true) statements.
[2020-11-12 06:19:02,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:02 BoogieIcfgContainer
[2020-11-12 06:19:02,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-12 06:19:02,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-12 06:19:02,148 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-12 06:19:02,152 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-12 06:19:02,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:19:00" (1/3) ...
[2020-11-12 06:19:02,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19073873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:02, skipping insertion in model container
[2020-11-12 06:19:02,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:01" (2/3) ...
[2020-11-12 06:19:02,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19073873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:02, skipping insertion in model container
[2020-11-12 06:19:02,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:02" (3/3) ...
[2020-11-12 06:19:02,156 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_pso.opt.i
[2020-11-12 06:19:02,171 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-11-12 06:19:02,172 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-12 06:19:02,176 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-12 06:19:02,177 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-11-12 06:19:02,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,215 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,215 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,218 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,218 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,219 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,219 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,226 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,226 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,233 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,233 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,240 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,240 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-12 06:19:02,243 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-11-12 06:19:02,256 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-11-12 06:19:02,296 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-12 06:19:02,296 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-12 06:19:02,296 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-12 06:19:02,296 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-12 06:19:02,296 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-12 06:19:02,296 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-12 06:19:02,297 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-12 06:19:02,297 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-12 06:19:02,313 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow
[2020-11-12 06:19:02,977 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8448 states, 8446 states have (on average 3.5893914278948613) internal successors, (30316), 8447 states have internal predecessors, (30316), 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 06:19:03,565 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 584ms
[2020-11-12 06:19:03,595 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 8448 states, 8446 states have (on average 3.5893914278948613) internal successors, (30316), 8447 states have internal predecessors, (30316), 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 06:19:03,611 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 8448 states, 7643 states have (on average 1.427319115530551) internal successors, (10909), 8447 states have internal predecessors, (10909), 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 06:19:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 8448 states, 7643 states have (on average 1.427319115530551) internal successors, (10909), 8447 states have internal predecessors, (10909), 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 06:19:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-11-12 06:19:03,701 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:03,702 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, 1]
[2020-11-12 06:19:03,703 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:03,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash 31988960, now seen corresponding path program 1 times
[2020-11-12 06:19:03,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:03,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104035706]
[2020-11-12 06:19:03,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:04,264 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 06:19:04,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104035706]
[2020-11-12 06:19:04,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:04,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-12 06:19:04,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764304098]
[2020-11-12 06:19:04,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-12 06:19:04,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:04,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-12 06:19:04,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-11-12 06:19:04,305 INFO L87 Difference]: Start difference. First operand has 8448 states, 7643 states have (on average 1.427319115530551) internal successors, (10909), 8447 states have internal predecessors, (10909), 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 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 06:19:04,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:04,642 INFO L93 Difference]: Finished difference Result 10464 states and 12267 transitions.
[2020-11-12 06:19:04,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-11-12 06:19:04,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42
[2020-11-12 06:19:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:04,730 INFO L225 Difference]: With dead ends: 10464
[2020-11-12 06:19:04,730 INFO L226 Difference]: Without dead ends: 3015
[2020-11-12 06:19:04,733 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-11-12 06:19:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states.
[2020-11-12 06:19:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3015.
[2020-11-12 06:19:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3015 states, 2805 states have (on average 1.530837789661319) internal successors, (4294), 3014 states have internal predecessors, (4294), 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 06:19:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 4294 transitions.
[2020-11-12 06:19:05,169 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 4294 transitions. Word has length 42
[2020-11-12 06:19:05,170 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:05,171 INFO L481 AbstractCegarLoop]: Abstraction has 3015 states and 4294 transitions.
[2020-11-12 06:19:05,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 06:19:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 4294 transitions.
[2020-11-12 06:19:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-11-12 06:19:05,184 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:05,185 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, 1, 1, 1]
[2020-11-12 06:19:05,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-12 06:19:05,192 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:05,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:05,194 INFO L82 PathProgramCache]: Analyzing trace with hash -95647071, now seen corresponding path program 1 times
[2020-11-12 06:19:05,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:05,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869822714]
[2020-11-12 06:19:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:05,370 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 06:19:05,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869822714]
[2020-11-12 06:19:05,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:05,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-12 06:19:05,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465360349]
[2020-11-12 06:19:05,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-12 06:19:05,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:05,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-12 06:19:05,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-11-12 06:19:05,374 INFO L87 Difference]: Start difference. First operand 3015 states and 4294 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 06:19:05,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:05,567 INFO L93 Difference]: Finished difference Result 3615 states and 5482 transitions.
[2020-11-12 06:19:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-12 06:19:05,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 44
[2020-11-12 06:19:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:05,578 INFO L225 Difference]: With dead ends: 3615
[2020-11-12 06:19:05,578 INFO L226 Difference]: Without dead ends: 1610
[2020-11-12 06:19:05,579 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2020-11-12 06:19:05,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states.
[2020-11-12 06:19:05,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1610.
[2020-11-12 06:19:05,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1490 states have (on average 1.518791946308725) internal successors, (2263), 1609 states have internal predecessors, (2263), 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 06:19:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2263 transitions.
[2020-11-12 06:19:05,633 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2263 transitions. Word has length 44
[2020-11-12 06:19:05,633 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:05,633 INFO L481 AbstractCegarLoop]: Abstraction has 1610 states and 2263 transitions.
[2020-11-12 06:19:05,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 06:19:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2263 transitions.
[2020-11-12 06:19:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-11-12 06:19:05,637 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:05,637 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, 1, 1, 1, 1, 1, 1]
[2020-11-12 06:19:05,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-12 06:19:05,638 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:05,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:05,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1249634671, now seen corresponding path program 1 times
[2020-11-12 06:19:05,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:05,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553046127]
[2020-11-12 06:19:05,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:05,774 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 06:19:05,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553046127]
[2020-11-12 06:19:05,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:05,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-12 06:19:05,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152474484]
[2020-11-12 06:19:05,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-12 06:19:05,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:05,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-12 06:19:05,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-11-12 06:19:05,777 INFO L87 Difference]: Start difference. First operand 1610 states and 2263 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 06:19:06,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:06,004 INFO L93 Difference]: Finished difference Result 2130 states and 3230 transitions.
[2020-11-12 06:19:06,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-12 06:19:06,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 47
[2020-11-12 06:19:06,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:06,011 INFO L225 Difference]: With dead ends: 2130
[2020-11-12 06:19:06,012 INFO L226 Difference]: Without dead ends: 1084
[2020-11-12 06:19:06,012 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2020-11-12 06:19:06,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states.
[2020-11-12 06:19:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084.
[2020-11-12 06:19:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1004 states have (on average 1.5557768924302788) internal successors, (1562), 1083 states have internal predecessors, (1562), 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 06:19:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1562 transitions.
[2020-11-12 06:19:06,041 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1562 transitions. Word has length 47
[2020-11-12 06:19:06,041 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:06,041 INFO L481 AbstractCegarLoop]: Abstraction has 1084 states and 1562 transitions.
[2020-11-12 06:19:06,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 06:19:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1562 transitions.
[2020-11-12 06:19:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-11-12 06:19:06,044 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:06,044 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-12 06:19:06,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-12 06:19:06,044 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:06,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:06,045 INFO L82 PathProgramCache]: Analyzing trace with hash 994042126, now seen corresponding path program 1 times
[2020-11-12 06:19:06,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:06,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868607672]
[2020-11-12 06:19:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:06,214 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 06:19:06,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868607672]
[2020-11-12 06:19:06,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:06,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-12 06:19:06,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631800882]
[2020-11-12 06:19:06,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-12 06:19:06,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:06,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-12 06:19:06,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-11-12 06:19:06,219 INFO L87 Difference]: Start difference. First operand 1084 states and 1562 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2020-11-12 06:19:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:06,376 INFO L93 Difference]: Finished difference Result 1306 states and 2016 transitions.
[2020-11-12 06:19:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-11-12 06:19:06,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49
[2020-11-12 06:19:06,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:06,384 INFO L225 Difference]: With dead ends: 1306
[2020-11-12 06:19:06,384 INFO L226 Difference]: Without dead ends: 1042
[2020-11-12 06:19:06,384 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-11-12 06:19:06,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states.
[2020-11-12 06:19:06,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042.
[2020-11-12 06:19:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 964 states have (on average 1.5466804979253113) internal successors, (1491), 1041 states have internal predecessors, (1491), 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 06:19:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1491 transitions.
[2020-11-12 06:19:06,413 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1491 transitions. Word has length 49
[2020-11-12 06:19:06,414 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:06,414 INFO L481 AbstractCegarLoop]: Abstraction has 1042 states and 1491 transitions.
[2020-11-12 06:19:06,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2020-11-12 06:19:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1491 transitions.
[2020-11-12 06:19:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-11-12 06:19:06,418 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:06,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-12 06:19:06,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-12 06:19:06,418 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:06,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:06,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1503390736, now seen corresponding path program 1 times
[2020-11-12 06:19:06,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:06,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103368566]
[2020-11-12 06:19:06,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:06,608 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 06:19:06,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103368566]
[2020-11-12 06:19:06,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:06,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-12 06:19:06,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779536160]
[2020-11-12 06:19:06,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-12 06:19:06,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:06,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-12 06:19:06,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-11-12 06:19:06,611 INFO L87 Difference]: Start difference. First operand 1042 states and 1491 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 06:19:06,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:06,795 INFO L93 Difference]: Finished difference Result 1051 states and 1606 transitions.
[2020-11-12 06:19:06,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-12 06:19:06,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 50
[2020-11-12 06:19:06,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:06,800 INFO L225 Difference]: With dead ends: 1051
[2020-11-12 06:19:06,800 INFO L226 Difference]: Without dead ends: 809
[2020-11-12 06:19:06,801 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2020-11-12 06:19:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states.
[2020-11-12 06:19:06,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809.
[2020-11-12 06:19:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 746 states have (on average 1.5) internal successors, (1119), 808 states have internal predecessors, (1119), 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 06:19:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1119 transitions.
[2020-11-12 06:19:06,825 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1119 transitions. Word has length 50
[2020-11-12 06:19:06,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:06,828 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1119 transitions.
[2020-11-12 06:19:06,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 06:19:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1119 transitions.
[2020-11-12 06:19:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-11-12 06:19:06,832 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:06,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-12 06:19:06,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-12 06:19:06,833 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:06,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:06,833 INFO L82 PathProgramCache]: Analyzing trace with hash -632844560, now seen corresponding path program 1 times
[2020-11-12 06:19:06,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:06,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520862568]
[2020-11-12 06:19:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:07,003 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 06:19:07,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520862568]
[2020-11-12 06:19:07,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:07,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-12 06:19:07,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080742123]
[2020-11-12 06:19:07,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-12 06:19:07,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:07,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-12 06:19:07,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-11-12 06:19:07,006 INFO L87 Difference]: Start difference. First operand 809 states and 1119 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2020-11-12 06:19:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:07,197 INFO L93 Difference]: Finished difference Result 539 states and 810 transitions.
[2020-11-12 06:19:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-11-12 06:19:07,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51
[2020-11-12 06:19:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:07,201 INFO L225 Difference]: With dead ends: 539
[2020-11-12 06:19:07,201 INFO L226 Difference]: Without dead ends: 386
[2020-11-12 06:19:07,201 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2020-11-12 06:19:07,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2020-11-12 06:19:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386.
[2020-11-12 06:19:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 359 states have (on average 1.3983286908077994) internal successors, (502), 385 states have internal predecessors, (502), 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 06:19:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 502 transitions.
[2020-11-12 06:19:07,213 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 502 transitions. Word has length 51
[2020-11-12 06:19:07,213 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:07,214 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 502 transitions.
[2020-11-12 06:19:07,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2020-11-12 06:19:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions.
[2020-11-12 06:19:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-11-12 06:19:07,215 INFO L486 BasicCegarLoop]: Found error trace
[2020-11-12 06:19:07,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-12 06:19:07,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-12 06:19:07,216 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-12 06:19:07,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-12 06:19:07,217 INFO L82 PathProgramCache]: Analyzing trace with hash -653822489, now seen corresponding path program 1 times
[2020-11-12 06:19:07,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-12 06:19:07,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711232694]
[2020-11-12 06:19:07,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-12 06:19:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-12 06:19:07,330 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 06:19:07,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711232694]
[2020-11-12 06:19:07,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-12 06:19:07,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-12 06:19:07,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651464326]
[2020-11-12 06:19:07,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-12 06:19:07,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-12 06:19:07,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-12 06:19:07,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-11-12 06:19:07,334 INFO L87 Difference]: Start difference. First operand 386 states and 502 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 06:19:07,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-12 06:19:07,421 INFO L93 Difference]: Finished difference Result 278 states and 394 transitions.
[2020-11-12 06:19:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-11-12 06:19:07,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 53
[2020-11-12 06:19:07,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-12 06:19:07,422 INFO L225 Difference]: With dead ends: 278
[2020-11-12 06:19:07,422 INFO L226 Difference]: Without dead ends: 0
[2020-11-12 06:19:07,423 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2020-11-12 06:19:07,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-12 06:19:07,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-12 06:19:07,423 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 06:19:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-12 06:19:07,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53
[2020-11-12 06:19:07,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-12 06:19:07,424 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-12 06:19:07,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 06:19:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-12 06:19:07,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-12 06:19:07,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-11-12 06:19:07,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:19:07 BasicIcfg
[2020-11-12 06:19:07,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-12 06:19:07,434 INFO L168 Benchmark]: Toolchain (without parser) took 6879.97 ms. Allocated memory was 302.0 MB in the beginning and 631.2 MB in the end (delta: 329.3 MB). Free memory was 277.3 MB in the beginning and 489.6 MB in the end (delta: -212.2 MB). Peak memory consumption was 119.4 MB. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,435 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.93 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 245.1 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.63 ms. Allocated memory is still 302.0 MB. Free memory was 245.1 MB in the beginning and 283.6 MB in the end (delta: -38.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,437 INFO L168 Benchmark]: Boogie Preprocessor took 65.48 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,438 INFO L168 Benchmark]: RCFGBuilder took 584.67 ms. Allocated memory is still 302.0 MB. Free memory was 281.5 MB in the beginning and 259.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,439 INFO L168 Benchmark]: TraceAbstraction took 5282.68 ms. Allocated memory was 302.0 MB in the beginning and 631.2 MB in the end (delta: 329.3 MB). Free memory was 259.5 MB in the beginning and 489.6 MB in the end (delta: -230.1 MB). Peak memory consumption was 100.2 MB. Max. memory is 16.0 GB.
[2020-11-12 06:19:07,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.89 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 827.93 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 245.1 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 105.63 ms. Allocated memory is still 302.0 MB. Free memory was 245.1 MB in the beginning and 283.6 MB in the end (delta: -38.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 65.48 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
* RCFGBuilder took 584.67 ms. Allocated memory is still 302.0 MB. Free memory was 281.5 MB in the beginning and 259.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 5282.68 ms. Allocated memory was 302.0 MB in the beginning and 631.2 MB in the end (delta: 329.3 MB). Free memory was 259.5 MB in the beginning and 489.6 MB in the end (delta: -230.1 MB). Peak memory consumption was 100.2 MB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 476 SDtfs, 765 SDslu, 1696 SDs, 0 SdLazy, 255 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8448occurred 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: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 43375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...