/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 15:08:55,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 15:08:55,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 15:08:55,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 15:08:55,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 15:08:55,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 15:08:55,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 15:08:55,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 15:08:55,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 15:08:55,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 15:08:55,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 15:08:55,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 15:08:55,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 15:08:55,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 15:08:55,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 15:08:55,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 15:08:55,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 15:08:55,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 15:08:55,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 15:08:55,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 15:08:55,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 15:08:55,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 15:08:55,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 15:08:55,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 15:08:55,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 15:08:55,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 15:08:55,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 15:08:55,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 15:08:55,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 15:08:55,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 15:08:55,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 15:08:55,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 15:08:55,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 15:08:55,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 15:08:55,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 15:08:55,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 15:08:55,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 15:08:56,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 15:08:56,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 15:08:56,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 15:08:56,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 15:08:56,033 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 15:08:56,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 15:08:56,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 15:08:56,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 15:08:56,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 15:08:56,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 15:08:56,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 15:08:56,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 15:08:56,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 15:08:56,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 15:08:56,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 15:08:56,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 15:08:56,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 15:08:56,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 15:08:56,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 15:08:56,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 15:08:56,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 15:08:56,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:08:56,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 15:08:56,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 15:08:56,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 15:08:56,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 15:08:56,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 15:08:56,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 15:08:56,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 15:08:56,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 15:08:56,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 15:08:56,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 15:08:56,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 15:08:56,362 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 15:08:56,363 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 15:08:56,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_rmo.opt.i [2020-10-11 15:08:56,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220c171cc/f75b59bb6d794c06b245830fb0b63ae5/FLAG49653df3d [2020-10-11 15:08:56,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 15:08:56,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_rmo.opt.i [2020-10-11 15:08:56,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220c171cc/f75b59bb6d794c06b245830fb0b63ae5/FLAG49653df3d [2020-10-11 15:08:57,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220c171cc/f75b59bb6d794c06b245830fb0b63ae5 [2020-10-11 15:08:57,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 15:08:57,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 15:08:57,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 15:08:57,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 15:08:57,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 15:08:57,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:08:57" (1/1) ... [2020-10-11 15:08:57,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f274e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:57, skipping insertion in model container [2020-10-11 15:08:57,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:08:57" (1/1) ... [2020-10-11 15:08:57,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 15:08:57,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 15:08:57,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:08:57,859 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 15:08:57,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:08:58,021 INFO L208 MainTranslator]: Completed translation [2020-10-11 15:08:58,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58 WrapperNode [2020-10-11 15:08:58,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 15:08:58,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 15:08:58,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 15:08:58,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 15:08:58,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 15:08:58,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 15:08:58,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 15:08:58,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 15:08:58,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (1/1) ... [2020-10-11 15:08:58,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 15:08:58,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 15:08:58,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 15:08:58,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 15:08:58,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (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 [2020-10-11 15:08:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 15:08:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 15:08:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 15:08:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 15:08:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 15:08:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 15:08:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 15:08:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 15:08:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 15:08:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 15:08:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 15:08:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 15:08:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 15:08:58,209 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 15:09:00,258 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 15:09:00,258 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 15:09:00,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:09:00 BoogieIcfgContainer [2020-10-11 15:09:00,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 15:09:00,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 15:09:00,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 15:09:00,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 15:09:00,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:08:57" (1/3) ... [2020-10-11 15:09:00,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ff2580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:09:00, skipping insertion in model container [2020-10-11 15:09:00,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:08:58" (2/3) ... [2020-10-11 15:09:00,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ff2580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:09:00, skipping insertion in model container [2020-10-11 15:09:00,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:09:00" (3/3) ... [2020-10-11 15:09:00,270 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_rmo.opt.i [2020-10-11 15:09:00,282 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 15:09:00,282 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 15:09:00,290 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 15:09:00,291 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 15:09:00,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,323 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,323 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,331 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,331 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,352 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,352 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,359 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:00,384 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 15:09:00,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 15:09:00,406 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 15:09:00,407 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 15:09:00,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 15:09:00,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 15:09:00,407 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 15:09:00,407 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 15:09:00,408 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 15:09:00,422 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 15:09:00,425 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 91 transitions, 197 flow [2020-10-11 15:09:00,427 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 91 transitions, 197 flow [2020-10-11 15:09:00,430 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 99 places, 91 transitions, 197 flow [2020-10-11 15:09:00,477 INFO L129 PetriNetUnfolder]: 2/88 cut-off events. [2020-10-11 15:09:00,478 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 15:09:00,483 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-11 15:09:00,486 INFO L117 LiptonReduction]: Number of co-enabled transitions 1560 [2020-10-11 15:09:00,728 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 15:09:00,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,800 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,802 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,807 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,808 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,851 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,852 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,856 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,858 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,862 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,920 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,922 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,926 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,947 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:00,953 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:00,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:00,956 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:00,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,186 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-11 15:09:01,242 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,244 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,245 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,248 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:01,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,281 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:01,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,283 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,291 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:01,291 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,410 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,411 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,412 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,414 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,415 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,416 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:01,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,434 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:01,434 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,435 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,437 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,438 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:01,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:01,663 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:01,663 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 15:09:01,666 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-11 15:09:01,667 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:01,738 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:01,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,741 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:01,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:01,743 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:01,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:01,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:01,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:01,748 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-11 15:09:01,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:01,751 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:01,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:01,753 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:01,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:01,834 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 15:09:01,835 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:01,884 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 15:09:01,885 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,039 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,041 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:02,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:02,043 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:02,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:02,045 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:02,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:02,048 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-11 15:09:02,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:02,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:02,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:02,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:02,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:02,098 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:02,098 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 15:09:02,101 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-11 15:09:02,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:02,335 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,336 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,339 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,341 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,341 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,358 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,359 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,362 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,364 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,410 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,411 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,413 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,415 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,416 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,433 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,434 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,434 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:02,436 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:02,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,439 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:02,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:02,807 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-11 15:09:02,914 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-11 15:09:03,003 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 15:09:03,006 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-11 15:09:03,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,044 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,047 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,047 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:03,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:03,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:03,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-11 15:09:03,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,054 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,056 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,119 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 15:09:03,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,251 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,252 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,255 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,256 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,272 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,272 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,274 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,275 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,276 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,276 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,278 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,300 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,301 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,301 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,301 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,303 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,305 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,305 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,322 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,323 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,323 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,324 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,325 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,325 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,327 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,358 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,362 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,378 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,379 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,381 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,385 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,385 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,474 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,476 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:03,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:03,480 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,480 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 15:09:03,482 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-11 15:09:03,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,485 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,485 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,486 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,487 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,527 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-11 15:09:03,528 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 15:09:03,530 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-11 15:09:03,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 15:09:03,556 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,557 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,559 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,562 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,562 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,576 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,577 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,577 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 15:09:03,579 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 15:09:03,579 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:03,581 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 15:09:03,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 15:09:04,033 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-11 15:09:04,126 INFO L132 LiptonReduction]: Checked pairs total: 4244 [2020-10-11 15:09:04,126 INFO L134 LiptonReduction]: Total number of compositions: 77 [2020-10-11 15:09:04,133 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 27 transitions, 69 flow [2020-10-11 15:09:04,219 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 782 states. [2020-10-11 15:09:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states. [2020-10-11 15:09:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-11 15:09:04,228 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:04,229 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-11 15:09:04,229 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:04,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:04,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1039088, now seen corresponding path program 1 times [2020-10-11 15:09:04,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:04,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802148892] [2020-10-11 15:09:04,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:04,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802148892] [2020-10-11 15:09:04,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:04,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 15:09:04,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579689419] [2020-10-11 15:09:04,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 15:09:04,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:04,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 15:09:04,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 15:09:04,508 INFO L87 Difference]: Start difference. First operand 782 states. Second operand 3 states. [2020-10-11 15:09:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:04,611 INFO L93 Difference]: Finished difference Result 652 states and 2032 transitions. [2020-10-11 15:09:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 15:09:04,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-11 15:09:04,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:04,635 INFO L225 Difference]: With dead ends: 652 [2020-10-11 15:09:04,635 INFO L226 Difference]: Without dead ends: 552 [2020-10-11 15:09:04,637 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 15:09:04,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-11 15:09:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2020-10-11 15:09:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-11 15:09:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 1697 transitions. [2020-10-11 15:09:04,731 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 1697 transitions. Word has length 3 [2020-10-11 15:09:04,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:04,732 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 1697 transitions. [2020-10-11 15:09:04,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 15:09:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1697 transitions. [2020-10-11 15:09:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 15:09:04,736 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:04,736 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:04,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 15:09:04,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:04,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:04,737 INFO L82 PathProgramCache]: Analyzing trace with hash 514145520, now seen corresponding path program 1 times [2020-10-11 15:09:04,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:04,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418629453] [2020-10-11 15:09:04,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:04,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418629453] [2020-10-11 15:09:04,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:04,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:09:04,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819610503] [2020-10-11 15:09:04,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:09:04,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:04,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:09:04,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:09:04,918 INFO L87 Difference]: Start difference. First operand 552 states and 1697 transitions. Second operand 4 states. [2020-10-11 15:09:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:04,950 INFO L93 Difference]: Finished difference Result 612 states and 1810 transitions. [2020-10-11 15:09:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:09:04,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-11 15:09:04,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:04,955 INFO L225 Difference]: With dead ends: 612 [2020-10-11 15:09:04,956 INFO L226 Difference]: Without dead ends: 512 [2020-10-11 15:09:04,957 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:04,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-11 15:09:04,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2020-10-11 15:09:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-11 15:09:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1555 transitions. [2020-10-11 15:09:04,983 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1555 transitions. Word has length 10 [2020-10-11 15:09:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:04,984 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 1555 transitions. [2020-10-11 15:09:04,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:09:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1555 transitions. [2020-10-11 15:09:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 15:09:04,987 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:04,987 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:04,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 15:09:04,988 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:04,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1242451166, now seen corresponding path program 1 times [2020-10-11 15:09:04,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:04,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390201981] [2020-10-11 15:09:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:05,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390201981] [2020-10-11 15:09:05,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:05,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:09:05,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806921801] [2020-10-11 15:09:05,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:09:05,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:05,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:09:05,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:05,082 INFO L87 Difference]: Start difference. First operand 512 states and 1555 transitions. Second operand 5 states. [2020-10-11 15:09:05,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:05,139 INFO L93 Difference]: Finished difference Result 792 states and 2389 transitions. [2020-10-11 15:09:05,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:09:05,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-11 15:09:05,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:05,144 INFO L225 Difference]: With dead ends: 792 [2020-10-11 15:09:05,145 INFO L226 Difference]: Without dead ends: 472 [2020-10-11 15:09:05,145 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:09:05,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-10-11 15:09:05,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2020-10-11 15:09:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-10-11 15:09:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 1407 transitions. [2020-10-11 15:09:05,164 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 1407 transitions. Word has length 11 [2020-10-11 15:09:05,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:05,165 INFO L481 AbstractCegarLoop]: Abstraction has 472 states and 1407 transitions. [2020-10-11 15:09:05,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:09:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1407 transitions. [2020-10-11 15:09:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 15:09:05,168 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:05,168 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:05,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 15:09:05,168 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:05,169 INFO L82 PathProgramCache]: Analyzing trace with hash 364703400, now seen corresponding path program 1 times [2020-10-11 15:09:05,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:05,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737290212] [2020-10-11 15:09:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:05,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737290212] [2020-10-11 15:09:05,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:05,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:09:05,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663691923] [2020-10-11 15:09:05,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:09:05,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:05,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:09:05,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:09:05,260 INFO L87 Difference]: Start difference. First operand 472 states and 1407 transitions. Second operand 4 states. [2020-10-11 15:09:05,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:05,301 INFO L93 Difference]: Finished difference Result 420 states and 1088 transitions. [2020-10-11 15:09:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:09:05,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-11 15:09:05,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:05,304 INFO L225 Difference]: With dead ends: 420 [2020-10-11 15:09:05,304 INFO L226 Difference]: Without dead ends: 328 [2020-10-11 15:09:05,305 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:05,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-11 15:09:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2020-10-11 15:09:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-10-11 15:09:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 835 transitions. [2020-10-11 15:09:05,314 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 835 transitions. Word has length 12 [2020-10-11 15:09:05,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:05,315 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 835 transitions. [2020-10-11 15:09:05,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:09:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 835 transitions. [2020-10-11 15:09:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 15:09:05,317 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:05,317 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:05,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 15:09:05,318 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:05,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:05,318 INFO L82 PathProgramCache]: Analyzing trace with hash -420804308, now seen corresponding path program 1 times [2020-10-11 15:09:05,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:05,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116597971] [2020-10-11 15:09:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:05,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116597971] [2020-10-11 15:09:05,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:05,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 15:09:05,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450791333] [2020-10-11 15:09:05,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:09:05,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:05,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:09:05,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:05,473 INFO L87 Difference]: Start difference. First operand 328 states and 835 transitions. Second operand 5 states. [2020-10-11 15:09:05,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:05,522 INFO L93 Difference]: Finished difference Result 240 states and 546 transitions. [2020-10-11 15:09:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:09:05,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-11 15:09:05,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:05,524 INFO L225 Difference]: With dead ends: 240 [2020-10-11 15:09:05,524 INFO L226 Difference]: Without dead ends: 190 [2020-10-11 15:09:05,525 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-11 15:09:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-11 15:09:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-10-11 15:09:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-11 15:09:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 421 transitions. [2020-10-11 15:09:05,531 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 421 transitions. Word has length 14 [2020-10-11 15:09:05,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:05,531 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 421 transitions. [2020-10-11 15:09:05,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:09:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 421 transitions. [2020-10-11 15:09:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 15:09:05,532 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:05,533 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:05,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 15:09:05,533 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:05,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:05,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1322203820, now seen corresponding path program 1 times [2020-10-11 15:09:05,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:05,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642325284] [2020-10-11 15:09:05,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:05,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642325284] [2020-10-11 15:09:05,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:05,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 15:09:05,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811054791] [2020-10-11 15:09:05,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 15:09:05,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:05,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 15:09:05,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-11 15:09:05,727 INFO L87 Difference]: Start difference. First operand 190 states and 421 transitions. Second operand 6 states. [2020-10-11 15:09:05,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:05,784 INFO L93 Difference]: Finished difference Result 160 states and 359 transitions. [2020-10-11 15:09:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 15:09:05,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-11 15:09:05,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:05,786 INFO L225 Difference]: With dead ends: 160 [2020-10-11 15:09:05,786 INFO L226 Difference]: Without dead ends: 148 [2020-10-11 15:09:05,787 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-11 15:09:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-11 15:09:05,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-11 15:09:05,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-11 15:09:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 337 transitions. [2020-10-11 15:09:05,792 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 337 transitions. Word has length 17 [2020-10-11 15:09:05,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:05,792 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 337 transitions. [2020-10-11 15:09:05,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 15:09:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 337 transitions. [2020-10-11 15:09:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 15:09:05,793 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:05,793 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:05,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 15:09:05,794 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:05,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:05,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1737727487, now seen corresponding path program 1 times [2020-10-11 15:09:05,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:05,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930080276] [2020-10-11 15:09:05,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:05,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930080276] [2020-10-11 15:09:05,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:05,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 15:09:05,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910675857] [2020-10-11 15:09:05,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 15:09:05,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:05,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 15:09:05,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:09:05,998 INFO L87 Difference]: Start difference. First operand 148 states and 337 transitions. Second operand 8 states. [2020-10-11 15:09:06,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:06,235 INFO L93 Difference]: Finished difference Result 175 states and 386 transitions. [2020-10-11 15:09:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 15:09:06,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-10-11 15:09:06,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:06,237 INFO L225 Difference]: With dead ends: 175 [2020-10-11 15:09:06,237 INFO L226 Difference]: Without dead ends: 112 [2020-10-11 15:09:06,238 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-11 15:09:06,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-11 15:09:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-11 15:09:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-11 15:09:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 241 transitions. [2020-10-11 15:09:06,243 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 241 transitions. Word has length 21 [2020-10-11 15:09:06,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:06,243 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 241 transitions. [2020-10-11 15:09:06,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 15:09:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 241 transitions. [2020-10-11 15:09:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 15:09:06,244 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:06,245 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:06,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 15:09:06,245 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:06,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:06,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1585402303, now seen corresponding path program 2 times [2020-10-11 15:09:06,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:06,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395878306] [2020-10-11 15:09:06,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 15:09:06,317 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 15:09:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 15:09:06,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 15:09:06,408 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 15:09:06,408 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 15:09:06,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 15:09:06,428 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,428 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,430 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,431 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,431 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,431 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,431 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,431 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,432 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,432 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,432 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,432 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,433 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,434 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,434 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,434 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,434 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,435 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,435 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,435 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,435 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,436 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,436 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,436 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,436 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,436 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,437 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,437 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,437 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,437 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,438 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,438 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,438 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,438 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,439 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,439 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,439 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,439 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,440 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,440 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,440 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,440 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,441 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,441 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,441 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,441 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,441 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,442 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,442 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,443 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,443 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,444 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,444 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,444 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,444 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,445 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,446 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,446 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,446 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,446 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,446 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,447 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,447 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,447 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,447 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,447 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 15:09:06,448 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 15:09:06,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:09:06 BasicIcfg [2020-10-11 15:09:06,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 15:09:06,510 INFO L168 Benchmark]: Toolchain (without parser) took 9220.08 ms. Allocated memory was 253.8 MB in the beginning and 509.1 MB in the end (delta: 255.3 MB). Free memory was 209.5 MB in the beginning and 226.3 MB in the end (delta: -16.8 MB). Peak memory consumption was 238.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,511 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 253.8 MB. Free memory was 231.8 MB in the beginning and 231.0 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.79 ms. Allocated memory was 253.8 MB in the beginning and 322.4 MB in the end (delta: 68.7 MB). Free memory was 209.5 MB in the beginning and 269.9 MB in the end (delta: -60.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 322.4 MB. Free memory was 269.9 MB in the beginning and 267.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,513 INFO L168 Benchmark]: Boogie Preprocessor took 49.53 ms. Allocated memory is still 322.4 MB. Free memory was 267.4 MB in the beginning and 264.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,514 INFO L168 Benchmark]: RCFGBuilder took 2121.89 ms. Allocated memory was 322.4 MB in the beginning and 363.9 MB in the end (delta: 41.4 MB). Free memory was 264.8 MB in the beginning and 192.8 MB in the end (delta: 72.0 MB). Peak memory consumption was 113.4 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,515 INFO L168 Benchmark]: TraceAbstraction took 6245.38 ms. Allocated memory was 363.9 MB in the beginning and 509.1 MB in the end (delta: 145.2 MB). Free memory was 192.8 MB in the beginning and 226.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 111.7 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:06,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 253.8 MB. Free memory was 231.8 MB in the beginning and 231.0 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 730.79 ms. Allocated memory was 253.8 MB in the beginning and 322.4 MB in the end (delta: 68.7 MB). Free memory was 209.5 MB in the beginning and 269.9 MB in the end (delta: -60.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 322.4 MB. Free memory was 269.9 MB in the beginning and 267.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 49.53 ms. Allocated memory is still 322.4 MB. Free memory was 267.4 MB in the beginning and 264.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2121.89 ms. Allocated memory was 322.4 MB in the beginning and 363.9 MB in the end (delta: 41.4 MB). Free memory was 264.8 MB in the beginning and 192.8 MB in the end (delta: 72.0 MB). Peak memory consumption was 113.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 6245.38 ms. Allocated memory was 363.9 MB in the beginning and 509.1 MB in the end (delta: 145.2 MB). Free memory was 192.8 MB in the beginning and 226.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 111.7 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 914 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 41 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.5s, 89 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 99 PlacesBefore, 36 PlacesAfterwards, 91 TransitionsBefore, 27 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 4244 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p2_EAX = 0; [L702] 0 int __unbuffered_p2_EBX = 0; [L703] 0 _Bool main$tmp_guard0; [L704] 0 _Bool main$tmp_guard1; [L706] 0 int x = 0; [L708] 0 int y = 0; [L709] 0 _Bool y$flush_delayed; [L710] 0 int y$mem_tmp; [L711] 0 _Bool y$r_buff0_thd0; [L712] 0 _Bool y$r_buff0_thd1; [L713] 0 _Bool y$r_buff0_thd2; [L714] 0 _Bool y$r_buff0_thd3; [L715] 0 _Bool y$r_buff1_thd0; [L716] 0 _Bool y$r_buff1_thd1; [L717] 0 _Bool y$r_buff1_thd2; [L718] 0 _Bool y$r_buff1_thd3; [L719] 0 _Bool y$read_delayed; [L720] 0 int *y$read_delayed_var; [L721] 0 int y$w_buff0; [L722] 0 _Bool y$w_buff0_used; [L723] 0 int y$w_buff1; [L724] 0 _Bool y$w_buff1_used; [L725] 0 _Bool weak$$choice0; [L726] 0 _Bool weak$$choice2; [L817] 0 pthread_t t2408; [L818] FCALL, FORK 0 pthread_create(&t2408, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L730] 1 y$w_buff1 = y$w_buff0 [L731] 1 y$w_buff0 = 1 [L732] 1 y$w_buff1_used = y$w_buff0_used [L733] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L735] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L736] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L737] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L738] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L739] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L819] 0 pthread_t t2409; [L742] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L820] FCALL, FORK 0 pthread_create(&t2409, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L759] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L821] 0 pthread_t t2410; [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 2 return 0; [L822] FCALL, FORK 0 pthread_create(&t2410, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L776] 3 __unbuffered_p2_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L779] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 3 y$flush_delayed = weak$$choice2 [L782] 3 y$mem_tmp = y [L783] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L783] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L784] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L784] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L784] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0 [L784] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L784] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L784] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L785] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L785] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L785] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1 [L785] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L785] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L785] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L786] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L786] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L787] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L788] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L788] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L789] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] 3 __unbuffered_p2_EBX = y [L791] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L791] 3 y = y$flush_delayed ? y$mem_tmp : y [L792] 3 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L795] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L795] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L796] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L797] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L797] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L798] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L798] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L799] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L802] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L804] 3 return 0; [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L745] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L746] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L747] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L748] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L749] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L752] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L754] 1 return 0; [L824] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L828] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L828] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L829] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L829] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L830] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L830] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L831] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L831] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L832] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L832] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L835] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 90 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 185 SDtfs, 244 SDslu, 378 SDs, 0 SdLazy, 172 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=782occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 7320 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 incorrect! Received shutdown request...