/usr/bin/java -Xmx8000000000 -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/mix041_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:12:14,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:12:14,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:12:15,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:12:15,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:12:15,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:12:15,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:12:15,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:12:15,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:12:15,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:12:15,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:12:15,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:12:15,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:12:15,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:12:15,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:12:15,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:12:15,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:12:15,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:12:15,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:12:15,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:12:15,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:12:15,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:12:15,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:12:15,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:12:15,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 11:12:15,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:12:15,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:12:15,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:12:15,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:12:15,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:12:15,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:12:15,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:12:15,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:12:15,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:12:15,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:12:15,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:12:15,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-16 11:12:15,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:12:15,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:12:15,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:12:15,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:12:15,093 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:12:15,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:12:15,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:12:15,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:12:15,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:12:15,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:12:15,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:12:15,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:12:15,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:12:15,094 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:12:15,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:12:15,095 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:12:15,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:12:15,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:12:15,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:12:15,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:12:15,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:12:15,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:12:15,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:12:15,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 11:12:15,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:12:15,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:12:15,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:12:15,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:12:15,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-16 11:12:15,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 11:12:15,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:12:15,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:12:15,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:12:15,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:12:15,389 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:12:15,390 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix041_rmo.opt.i [2020-10-16 11:12:15,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c9977eed/c0b1b54742e6409c942a0e4ef0041c1c/FLAGe2133eb63 [2020-10-16 11:12:16,001 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:12:16,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix041_rmo.opt.i [2020-10-16 11:12:16,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c9977eed/c0b1b54742e6409c942a0e4ef0041c1c/FLAGe2133eb63 [2020-10-16 11:12:16,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c9977eed/c0b1b54742e6409c942a0e4ef0041c1c [2020-10-16 11:12:16,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:12:16,272 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:12:16,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:12:16,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:12:16,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:12:16,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:12:16" (1/1) ... [2020-10-16 11:12:16,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6109e097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:16, skipping insertion in model container [2020-10-16 11:12:16,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:12:16" (1/1) ... [2020-10-16 11:12:16,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:12:16,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:12:16,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:12:16,866 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:12:16,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:12:17,012 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:12:17,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17 WrapperNode [2020-10-16 11:12:17,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:12:17,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:12:17,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:12:17,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:12:17,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:12:17,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:12:17,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:12:17,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:12:17,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... [2020-10-16 11:12:17,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:12:17,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:12:17,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:12:17,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:12:17,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:12:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:12:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:12:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:12:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:12:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:12:17,192 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:12:18,961 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:12:18,961 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 11:12:18,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:12:18 BoogieIcfgContainer [2020-10-16 11:12:18,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:12:18,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:12:18,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:12:18,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:12:18,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:12:16" (1/3) ... [2020-10-16 11:12:18,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c60f51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:12:18, skipping insertion in model container [2020-10-16 11:12:18,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:12:17" (2/3) ... [2020-10-16 11:12:18,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c60f51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:12:18, skipping insertion in model container [2020-10-16 11:12:18,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:12:18" (3/3) ... [2020-10-16 11:12:18,972 INFO L111 eAbstractionObserver]: Analyzing ICFG mix041_rmo.opt.i [2020-10-16 11:12:18,983 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:12:18,983 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:12:18,991 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:12:18,992 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:12:19,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,021 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,022 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,022 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,022 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,030 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,031 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:12:19,040 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:12:19,054 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 11:12:19,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:12:19,074 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:12:19,074 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 11:12:19,075 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:12:19,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:12:19,075 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:12:19,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:12:19,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:12:19,088 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 11:12:19,090 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-16 11:12:19,093 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-16 11:12:19,095 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-16 11:12:19,135 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-16 11:12:19,135 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:12:19,140 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-16 11:12:19,143 INFO L117 LiptonReduction]: Number of co-enabled transitions 1012 [2020-10-16 11:12:19,245 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,246 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,247 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,248 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,252 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,256 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,282 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,283 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,284 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,288 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,289 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,292 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,293 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,372 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,372 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,374 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,377 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,380 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,401 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,403 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,403 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,406 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:19,406 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,409 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:19,409 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:19,511 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 3, 3, 2, 1] term [2020-10-16 11:12:19,512 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,512 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 1] term [2020-10-16 11:12:19,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:19,537 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-16 11:12:19,538 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:19,539 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-16 11:12:19,539 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:20,755 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2020-10-16 11:12:20,773 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-16 11:12:20,773 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:20,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-16 11:12:20,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:21,590 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2020-10-16 11:12:21,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:21,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:21,723 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:21,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:21,726 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:21,726 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:21,730 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:21,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:21,753 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:21,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:21,756 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:21,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:21,760 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:21,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:21,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:21,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:22,153 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,153 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,154 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 4, 3, 1] term [2020-10-16 11:12:22,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,155 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,156 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,159 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,159 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,160 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,160 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,163 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,164 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,164 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,166 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,187 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 11:12:22,190 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,241 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 11:12:22,243 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,259 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,261 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 4, 3, 1] term [2020-10-16 11:12:22,262 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,262 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,264 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,264 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:22,266 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,268 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,271 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-16 11:12:22,271 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,273 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,273 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:22,274 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 11:12:22,275 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 11:12:23,295 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2020-10-16 11:12:23,580 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-16 11:12:24,473 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-10-16 11:12:24,746 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-16 11:12:25,334 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 107 [2020-10-16 11:12:25,603 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-16 11:12:25,786 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:25,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:25,788 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:25,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:25,789 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:25,790 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:25,792 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:25,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:25,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:25,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:25,815 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:25,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:25,817 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 11:12:25,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:25,823 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 11:12:25,824 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 11:12:26,284 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-16 11:12:26,606 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-16 11:12:26,619 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 11:12:26,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:12:27,195 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 11:12:27,298 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-16 11:12:27,303 INFO L132 LiptonReduction]: Checked pairs total: 2524 [2020-10-16 11:12:27,303 INFO L134 LiptonReduction]: Total number of compositions: 71 [2020-10-16 11:12:27,309 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2020-10-16 11:12:27,326 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 187 states. [2020-10-16 11:12:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-16 11:12:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 11:12:27,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:12:27,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 11:12:27,335 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:12:27,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:12:27,339 INFO L82 PathProgramCache]: Analyzing trace with hash 876715816, now seen corresponding path program 1 times [2020-10-16 11:12:27,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:12:27,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768582978] [2020-10-16 11:12:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:12:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:12:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:12:27,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768582978] [2020-10-16 11:12:27,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:12:27,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:12:27,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257906104] [2020-10-16 11:12:27,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:12:27,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:12:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:12:27,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:12:27,575 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2020-10-16 11:12:27,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:12:27,650 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-16 11:12:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:12:27,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 11:12:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:12:27,665 INFO L225 Difference]: With dead ends: 162 [2020-10-16 11:12:27,665 INFO L226 Difference]: Without dead ends: 132 [2020-10-16 11:12:27,667 INFO L677 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 [2020-10-16 11:12:27,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-16 11:12:27,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-16 11:12:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-16 11:12:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-16 11:12:27,734 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 5 [2020-10-16 11:12:27,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:12:27,734 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-16 11:12:27,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:12:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-16 11:12:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 11:12:27,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:12:27,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:12:27,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:12:27,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:12:27,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:12:27,737 INFO L82 PathProgramCache]: Analyzing trace with hash 710372191, now seen corresponding path program 1 times [2020-10-16 11:12:27,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:12:27,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965816229] [2020-10-16 11:12:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:12:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:12:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:12:27,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965816229] [2020-10-16 11:12:27,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:12:27,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:12:27,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257951004] [2020-10-16 11:12:27,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:12:27,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:12:27,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:12:27,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:12:27,827 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-16 11:12:27,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:12:27,838 INFO L93 Difference]: Finished difference Result 72 states and 126 transitions. [2020-10-16 11:12:27,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:12:27,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 11:12:27,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:12:27,840 INFO L225 Difference]: With dead ends: 72 [2020-10-16 11:12:27,840 INFO L226 Difference]: Without dead ends: 72 [2020-10-16 11:12:27,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:12:27,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-16 11:12:27,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-16 11:12:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-16 11:12:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 126 transitions. [2020-10-16 11:12:27,849 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 126 transitions. Word has length 7 [2020-10-16 11:12:27,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:12:27,850 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 126 transitions. [2020-10-16 11:12:27,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:12:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2020-10-16 11:12:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 11:12:27,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:12:27,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:12:27,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:12:27,851 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:12:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:12:27,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1630145943, now seen corresponding path program 1 times [2020-10-16 11:12:27,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:12:27,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166724895] [2020-10-16 11:12:27,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:12:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:12:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:12:27,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166724895] [2020-10-16 11:12:27,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:12:27,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:12:27,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236483146] [2020-10-16 11:12:27,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:12:27,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:12:27,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:12:27,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:12:27,956 INFO L87 Difference]: Start difference. First operand 72 states and 126 transitions. Second operand 4 states. [2020-10-16 11:12:27,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:12:27,975 INFO L93 Difference]: Finished difference Result 45 states and 72 transitions. [2020-10-16 11:12:27,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:12:27,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 11:12:27,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:12:27,977 INFO L225 Difference]: With dead ends: 45 [2020-10-16 11:12:27,977 INFO L226 Difference]: Without dead ends: 45 [2020-10-16 11:12:27,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:12:27,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-16 11:12:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-16 11:12:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-16 11:12:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 72 transitions. [2020-10-16 11:12:27,985 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 72 transitions. Word has length 11 [2020-10-16 11:12:27,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:12:27,985 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 72 transitions. [2020-10-16 11:12:27,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:12:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-10-16 11:12:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:12:27,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:12:27,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:12:27,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:12:27,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:12:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:12:27,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1709371184, now seen corresponding path program 1 times [2020-10-16 11:12:27,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:12:27,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870635056] [2020-10-16 11:12:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:12:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:12:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:12:28,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870635056] [2020-10-16 11:12:28,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:12:28,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:12:28,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195896681] [2020-10-16 11:12:28,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:12:28,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:12:28,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:12:28,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:12:28,306 INFO L87 Difference]: Start difference. First operand 45 states and 72 transitions. Second operand 6 states. [2020-10-16 11:12:28,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:12:28,470 INFO L93 Difference]: Finished difference Result 59 states and 90 transitions. [2020-10-16 11:12:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:12:28,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-16 11:12:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:12:28,474 INFO L225 Difference]: With dead ends: 59 [2020-10-16 11:12:28,474 INFO L226 Difference]: Without dead ends: 47 [2020-10-16 11:12:28,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:12:28,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-16 11:12:28,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2020-10-16 11:12:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-16 11:12:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 64 transitions. [2020-10-16 11:12:28,483 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 64 transitions. Word has length 16 [2020-10-16 11:12:28,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:12:28,483 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 64 transitions. [2020-10-16 11:12:28,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:12:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-10-16 11:12:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:12:28,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:12:28,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:12:28,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:12:28,485 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:12:28,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:12:28,485 INFO L82 PathProgramCache]: Analyzing trace with hash 2065395760, now seen corresponding path program 2 times [2020-10-16 11:12:28,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:12:28,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244923865] [2020-10-16 11:12:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:12:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:12:28,596 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:12:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:12:28,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:12:28,718 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:12:28,718 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:12:28,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:12:28,720 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 11:12:28,733 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [887] [887] L794-1-->L2-1: Formula: (and (= 2 ~__unbuffered_cnt~0_In2045479445) (= ~main$tmp_guard0~0_Out2045479445 1) (= (mod ~main$tmp_guard0~0_Out2045479445 256) |ULTIMATE.start_assume_abort_if_not_#in~cond_Out2045479445|) (= ULTIMATE.start_assume_abort_if_not_~cond_Out2045479445 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out2045479445|)) InVars {~__unbuffered_cnt~0=~__unbuffered_cnt~0_In2045479445} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out2045479445|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out2045479445, ULTIMATE.start_main_#t~nondet15=|ULTIMATE.start_main_#t~nondet15_Out2045479445|, ~__unbuffered_cnt~0=~__unbuffered_cnt~0_In2045479445, ~main$tmp_guard0~0=~main$tmp_guard0~0_Out2045479445} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet15, ~main$tmp_guard0~0] because there is no mapped edge [2020-10-16 11:12:28,740 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,740 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,745 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,745 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,745 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,746 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,746 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,747 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,747 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,748 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,748 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,748 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,749 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,749 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,754 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,756 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,757 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,757 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,757 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,757 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,757 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,758 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,758 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,758 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,758 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,758 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,758 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,759 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,759 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,759 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,759 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,759 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,759 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:12:28,759 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:12:28,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:12:28 BasicIcfg [2020-10-16 11:12:28,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:12:28,845 INFO L168 Benchmark]: Toolchain (without parser) took 12573.76 ms. Allocated memory was 139.5 MB in the beginning and 368.6 MB in the end (delta: 229.1 MB). Free memory was 99.3 MB in the beginning and 199.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:12:28,846 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:12:28,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.68 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 99.1 MB in the beginning and 155.1 MB in the end (delta: -56.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-16 11:12:28,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 201.9 MB. Free memory was 155.1 MB in the beginning and 151.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:12:28,849 INFO L168 Benchmark]: Boogie Preprocessor took 41.39 ms. Allocated memory is still 201.9 MB. Free memory was 151.7 MB in the beginning and 149.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:12:28,850 INFO L168 Benchmark]: RCFGBuilder took 1840.48 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 149.7 MB in the beginning and 199.5 MB in the end (delta: -49.8 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:12:28,851 INFO L168 Benchmark]: TraceAbstraction took 9878.53 ms. Allocated memory was 248.5 MB in the beginning and 368.6 MB in the end (delta: 120.1 MB). Free memory was 199.5 MB in the beginning and 199.6 MB in the end (delta: -52.3 kB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:12:28,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.68 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 99.1 MB in the beginning and 155.1 MB in the end (delta: -56.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 201.9 MB. Free memory was 155.1 MB in the beginning and 151.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.39 ms. Allocated memory is still 201.9 MB. Free memory was 151.7 MB in the beginning and 149.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1840.48 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 149.7 MB in the beginning and 199.5 MB in the end (delta: -49.8 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9878.53 ms. Allocated memory was 248.5 MB in the beginning and 368.6 MB in the end (delta: 120.1 MB). Free memory was 199.5 MB in the beginning and 199.6 MB in the end (delta: -52.3 kB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 674 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 39 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 59 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.2s, 84 PlacesBefore, 27 PlacesAfterwards, 79 TransitionsBefore, 20 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 2524 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p1_EAX = 0; [L701] 0 int __unbuffered_p1_EBX = 0; [L702] 0 _Bool main$tmp_guard0; [L703] 0 _Bool main$tmp_guard1; [L705] 0 int x = 0; [L706] 0 _Bool x$flush_delayed; [L707] 0 int x$mem_tmp; [L708] 0 _Bool x$r_buff0_thd0; [L709] 0 _Bool x$r_buff0_thd1; [L710] 0 _Bool x$r_buff0_thd2; [L711] 0 _Bool x$r_buff1_thd0; [L712] 0 _Bool x$r_buff1_thd1; [L713] 0 _Bool x$r_buff1_thd2; [L714] 0 _Bool x$read_delayed; [L715] 0 int *x$read_delayed_var; [L716] 0 int x$w_buff0; [L717] 0 _Bool x$w_buff0_used; [L718] 0 int x$w_buff1; [L719] 0 _Bool x$w_buff1_used; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool weak$$choice0; [L725] 0 _Bool weak$$choice2; [L791] 0 pthread_t t1099; [L792] FCALL, FORK 0 pthread_create(&t1099, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L793] 0 pthread_t t1100; [L794] FCALL, FORK 0 pthread_create(&t1100, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L749] 2 x$w_buff1 = x$w_buff0 [L750] 2 x$w_buff0 = 2 [L751] 2 x$w_buff1_used = x$w_buff0_used [L752] 2 x$w_buff0_used = (_Bool)1 [L7] COND TRUE 2 !expression [L7] 2 __VERIFIER_error() [L754] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L755] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L756] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L757] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L760] 2 y = 1 [L763] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L766] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L729] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L732] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L735] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L735] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L736] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L736] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L737] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L737] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L738] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L738] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L739] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L739] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L742] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L744] 1 return 0; [L769] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L769] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L770] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L771] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L772] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L773] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L773] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L800] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L800] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L801] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L802] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L803] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L804] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L804] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L807] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L808] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L809] 0 x$flush_delayed = weak$$choice2 [L810] 0 x$mem_tmp = x [L811] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L811] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L812] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L812] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L813] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L813] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1 [L813] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L813] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L813] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L814] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L814] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L814] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L814] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L815] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L815] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L816] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L817] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L818] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L819] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L819] 0 x = x$flush_delayed ? x$mem_tmp : x [L820] 0 x$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: 56 SDtfs, 55 SDslu, 59 SDs, 0 SdLazy, 51 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 3711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...