/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix044_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 21:29:44,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 21:29:44,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 21:29:44,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 21:29:44,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 21:29:44,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 21:29:44,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 21:29:44,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 21:29:44,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 21:29:44,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 21:29:44,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 21:29:44,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 21:29:44,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 21:29:44,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 21:29:45,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 21:29:45,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 21:29:45,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 21:29:45,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 21:29:45,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 21:29:45,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 21:29:45,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 21:29:45,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 21:29:45,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 21:29:45,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 21:29:45,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 21:29:45,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 21:29:45,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 21:29:45,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 21:29:45,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 21:29:45,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 21:29:45,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 21:29:45,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 21:29:45,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 21:29:45,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 21:29:45,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 21:29:45,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 21:29:45,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-18 21:29:45,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 21:29:45,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 21:29:45,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 21:29:45,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 21:29:45,079 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 21:29:45,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 21:29:45,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 21:29:45,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 21:29:45,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 21:29:45,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 21:29:45,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 21:29:45,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 21:29:45,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 21:29:45,083 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 21:29:45,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 21:29:45,083 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 21:29:45,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 21:29:45,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 21:29:45,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 21:29:45,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 21:29:45,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 21:29:45,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 21:29:45,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 21:29:45,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 21:29:45,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 21:29:45,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 21:29:45,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 21:29:45,087 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 21:29:45,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 21:29:45,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 21:29:45,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 21:29:45,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 21:29:45,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 21:29:45,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 21:29:45,398 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 21:29:45,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044_tso.opt.i [2019-12-18 21:29:45,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1dd42dc/a2739d625d534cbb9a930bf9c3855c73/FLAG014dbd6ea [2019-12-18 21:29:46,019 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 21:29:46,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044_tso.opt.i [2019-12-18 21:29:46,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1dd42dc/a2739d625d534cbb9a930bf9c3855c73/FLAG014dbd6ea [2019-12-18 21:29:46,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1dd42dc/a2739d625d534cbb9a930bf9c3855c73 [2019-12-18 21:29:46,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 21:29:46,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 21:29:46,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 21:29:46,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 21:29:46,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 21:29:46,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:29:46" (1/1) ... [2019-12-18 21:29:46,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2983cbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:46, skipping insertion in model container [2019-12-18 21:29:46,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:29:46" (1/1) ... [2019-12-18 21:29:46,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 21:29:46,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 21:29:46,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 21:29:46,962 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 21:29:47,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 21:29:47,148 INFO L208 MainTranslator]: Completed translation [2019-12-18 21:29:47,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47 WrapperNode [2019-12-18 21:29:47,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 21:29:47,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 21:29:47,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 21:29:47,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 21:29:47,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 21:29:47,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 21:29:47,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 21:29:47,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 21:29:47,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... [2019-12-18 21:29:47,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 21:29:47,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 21:29:47,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 21:29:47,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 21:29:47,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 21:29:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 21:29:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 21:29:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 21:29:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 21:29:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 21:29:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 21:29:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 21:29:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 21:29:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 21:29:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 21:29:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 21:29:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 21:29:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 21:29:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 21:29:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 21:29:47,360 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 21:29:48,112 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 21:29:48,112 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-18 21:29:48,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:29:48 BoogieIcfgContainer [2019-12-18 21:29:48,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 21:29:48,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 21:29:48,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 21:29:48,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 21:29:48,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:29:46" (1/3) ... [2019-12-18 21:29:48,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b78b988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:29:48, skipping insertion in model container [2019-12-18 21:29:48,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:29:47" (2/3) ... [2019-12-18 21:29:48,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b78b988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:29:48, skipping insertion in model container [2019-12-18 21:29:48,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:29:48" (3/3) ... [2019-12-18 21:29:48,123 INFO L109 eAbstractionObserver]: Analyzing ICFG mix044_tso.opt.i [2019-12-18 21:29:48,133 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 21:29:48,134 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 21:29:48,142 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 21:29:48,143 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 21:29:48,181 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,181 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,181 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,182 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,182 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,182 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,184 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,184 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,184 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,185 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,185 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,185 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,186 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,186 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,186 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,186 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,187 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,187 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,187 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,187 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,188 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,188 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,188 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,188 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,206 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,208 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,208 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,208 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,209 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,209 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,209 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,209 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,210 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,210 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,210 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,210 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,210 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,212 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,212 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,216 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,216 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,216 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,217 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,217 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,217 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,217 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,217 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,218 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,218 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,218 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,218 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,222 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,222 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,222 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,223 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,223 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,223 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,223 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,223 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,224 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,224 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,225 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,225 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,225 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,225 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,225 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,226 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,226 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,226 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,226 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,226 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,227 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,227 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,230 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,231 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,231 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,231 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,234 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,235 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,235 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,235 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,237 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,237 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,238 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,238 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,238 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,238 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,238 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,239 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,239 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,239 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,241 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,241 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,242 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,242 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,242 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,242 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,242 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,243 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,243 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,243 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,243 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,243 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 21:29:48,259 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 21:29:48,279 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 21:29:48,280 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 21:29:48,280 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 21:29:48,280 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 21:29:48,280 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 21:29:48,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 21:29:48,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 21:29:48,281 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 21:29:48,298 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 209 transitions [2019-12-18 21:29:48,300 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 181 places, 209 transitions [2019-12-18 21:29:48,398 INFO L126 PetriNetUnfolder]: 41/205 cut-off events. [2019-12-18 21:29:48,398 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 21:29:48,414 INFO L76 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 205 events. 41/205 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 263 event pairs. 12/174 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2019-12-18 21:29:48,437 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 181 places, 209 transitions [2019-12-18 21:29:48,485 INFO L126 PetriNetUnfolder]: 41/205 cut-off events. [2019-12-18 21:29:48,485 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 21:29:48,494 INFO L76 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 205 events. 41/205 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 263 event pairs. 12/174 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2019-12-18 21:29:48,511 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 12668 [2019-12-18 21:29:48,512 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 21:29:52,086 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2019-12-18 21:29:52,254 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-12-18 21:29:52,273 INFO L206 etLargeBlockEncoding]: Checked pairs total: 54567 [2019-12-18 21:29:52,273 INFO L214 etLargeBlockEncoding]: Total number of compositions: 117 [2019-12-18 21:29:52,276 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 100 transitions [2019-12-18 21:29:55,479 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 39550 states. [2019-12-18 21:29:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 39550 states. [2019-12-18 21:29:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 21:29:55,488 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:29:55,489 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:29:55,490 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:29:55,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:29:55,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1832018812, now seen corresponding path program 1 times [2019-12-18 21:29:55,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:29:55,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978971213] [2019-12-18 21:29:55,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:29:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:29:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:29:55,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978971213] [2019-12-18 21:29:55,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:29:55,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 21:29:55,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246138746] [2019-12-18 21:29:55,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 21:29:55,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:29:55,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 21:29:55,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:29:55,802 INFO L87 Difference]: Start difference. First operand 39550 states. Second operand 3 states. [2019-12-18 21:29:56,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:29:56,644 INFO L93 Difference]: Finished difference Result 36830 states and 156304 transitions. [2019-12-18 21:29:56,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 21:29:56,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 21:29:56,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:29:56,948 INFO L225 Difference]: With dead ends: 36830 [2019-12-18 21:29:56,948 INFO L226 Difference]: Without dead ends: 36102 [2019-12-18 21:29:56,950 INFO L631 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 [2019-12-18 21:29:57,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36102 states. [2019-12-18 21:30:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36102 to 36102. [2019-12-18 21:30:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36102 states. [2019-12-18 21:30:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36102 states to 36102 states and 153336 transitions. [2019-12-18 21:30:00,414 INFO L78 Accepts]: Start accepts. Automaton has 36102 states and 153336 transitions. Word has length 9 [2019-12-18 21:30:00,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:00,415 INFO L462 AbstractCegarLoop]: Abstraction has 36102 states and 153336 transitions. [2019-12-18 21:30:00,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 21:30:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36102 states and 153336 transitions. [2019-12-18 21:30:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 21:30:00,430 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:00,430 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:00,430 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:00,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:00,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1657144856, now seen corresponding path program 1 times [2019-12-18 21:30:00,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:00,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499276050] [2019-12-18 21:30:00,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:00,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499276050] [2019-12-18 21:30:00,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:00,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 21:30:00,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112501437] [2019-12-18 21:30:00,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 21:30:00,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:00,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 21:30:00,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 21:30:00,574 INFO L87 Difference]: Start difference. First operand 36102 states and 153336 transitions. Second operand 4 states. [2019-12-18 21:30:01,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:01,793 INFO L93 Difference]: Finished difference Result 56134 states and 230968 transitions. [2019-12-18 21:30:01,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 21:30:01,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-18 21:30:01,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:02,133 INFO L225 Difference]: With dead ends: 56134 [2019-12-18 21:30:02,134 INFO L226 Difference]: Without dead ends: 56106 [2019-12-18 21:30:02,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 21:30:02,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56106 states. [2019-12-18 21:30:06,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56106 to 50070. [2019-12-18 21:30:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50070 states. [2019-12-18 21:30:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50070 states to 50070 states and 208456 transitions. [2019-12-18 21:30:06,453 INFO L78 Accepts]: Start accepts. Automaton has 50070 states and 208456 transitions. Word has length 15 [2019-12-18 21:30:06,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:06,454 INFO L462 AbstractCegarLoop]: Abstraction has 50070 states and 208456 transitions. [2019-12-18 21:30:06,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 21:30:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 50070 states and 208456 transitions. [2019-12-18 21:30:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 21:30:06,459 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:06,459 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:06,459 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:06,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:06,460 INFO L82 PathProgramCache]: Analyzing trace with hash -311678002, now seen corresponding path program 1 times [2019-12-18 21:30:06,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:06,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860055101] [2019-12-18 21:30:06,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:06,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860055101] [2019-12-18 21:30:06,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:06,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 21:30:06,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355319825] [2019-12-18 21:30:06,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 21:30:06,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:06,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 21:30:06,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:06,558 INFO L87 Difference]: Start difference. First operand 50070 states and 208456 transitions. Second operand 3 states. [2019-12-18 21:30:06,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:06,821 INFO L93 Difference]: Finished difference Result 39280 states and 151115 transitions. [2019-12-18 21:30:06,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 21:30:06,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-12-18 21:30:06,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:06,947 INFO L225 Difference]: With dead ends: 39280 [2019-12-18 21:30:06,947 INFO L226 Difference]: Without dead ends: 39280 [2019-12-18 21:30:06,947 INFO L631 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 [2019-12-18 21:30:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39280 states. [2019-12-18 21:30:08,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39280 to 39280. [2019-12-18 21:30:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39280 states. [2019-12-18 21:30:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39280 states to 39280 states and 151115 transitions. [2019-12-18 21:30:08,463 INFO L78 Accepts]: Start accepts. Automaton has 39280 states and 151115 transitions. Word has length 15 [2019-12-18 21:30:08,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:08,463 INFO L462 AbstractCegarLoop]: Abstraction has 39280 states and 151115 transitions. [2019-12-18 21:30:08,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 21:30:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 39280 states and 151115 transitions. [2019-12-18 21:30:08,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-18 21:30:08,466 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:08,466 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:08,467 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:08,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:08,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1094107821, now seen corresponding path program 1 times [2019-12-18 21:30:08,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:08,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141147665] [2019-12-18 21:30:08,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:10,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141147665] [2019-12-18 21:30:10,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:10,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 21:30:10,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521956112] [2019-12-18 21:30:10,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 21:30:10,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:10,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 21:30:10,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-18 21:30:10,838 INFO L87 Difference]: Start difference. First operand 39280 states and 151115 transitions. Second operand 4 states. [2019-12-18 21:30:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:10,908 INFO L93 Difference]: Finished difference Result 16344 states and 52151 transitions. [2019-12-18 21:30:10,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 21:30:10,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-12-18 21:30:10,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:10,942 INFO L225 Difference]: With dead ends: 16344 [2019-12-18 21:30:10,942 INFO L226 Difference]: Without dead ends: 16344 [2019-12-18 21:30:10,943 INFO L631 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 [2019-12-18 21:30:11,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16344 states. [2019-12-18 21:30:11,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16344 to 16344. [2019-12-18 21:30:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16344 states. [2019-12-18 21:30:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16344 states to 16344 states and 52151 transitions. [2019-12-18 21:30:11,348 INFO L78 Accepts]: Start accepts. Automaton has 16344 states and 52151 transitions. Word has length 16 [2019-12-18 21:30:11,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:11,348 INFO L462 AbstractCegarLoop]: Abstraction has 16344 states and 52151 transitions. [2019-12-18 21:30:11,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 21:30:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 16344 states and 52151 transitions. [2019-12-18 21:30:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-18 21:30:11,351 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:11,351 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:11,351 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:11,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:11,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1111128464, now seen corresponding path program 1 times [2019-12-18 21:30:11,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:11,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048645884] [2019-12-18 21:30:11,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:11,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048645884] [2019-12-18 21:30:11,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:11,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 21:30:11,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982992277] [2019-12-18 21:30:11,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 21:30:11,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:11,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 21:30:11,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-18 21:30:11,453 INFO L87 Difference]: Start difference. First operand 16344 states and 52151 transitions. Second operand 5 states. [2019-12-18 21:30:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:11,512 INFO L93 Difference]: Finished difference Result 2799 states and 7236 transitions. [2019-12-18 21:30:11,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 21:30:11,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-18 21:30:11,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:11,517 INFO L225 Difference]: With dead ends: 2799 [2019-12-18 21:30:11,518 INFO L226 Difference]: Without dead ends: 2799 [2019-12-18 21:30:11,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-18 21:30:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2019-12-18 21:30:11,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2799. [2019-12-18 21:30:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2799 states. [2019-12-18 21:30:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 7236 transitions. [2019-12-18 21:30:11,568 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 7236 transitions. Word has length 17 [2019-12-18 21:30:11,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:11,568 INFO L462 AbstractCegarLoop]: Abstraction has 2799 states and 7236 transitions. [2019-12-18 21:30:11,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 21:30:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 7236 transitions. [2019-12-18 21:30:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-18 21:30:11,574 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:11,574 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:11,574 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:11,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:11,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1318629020, now seen corresponding path program 1 times [2019-12-18 21:30:11,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:11,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833352600] [2019-12-18 21:30:11,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:11,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833352600] [2019-12-18 21:30:11,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:11,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 21:30:11,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872175097] [2019-12-18 21:30:11,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 21:30:11,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:11,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 21:30:11,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-18 21:30:11,654 INFO L87 Difference]: Start difference. First operand 2799 states and 7236 transitions. Second operand 6 states. [2019-12-18 21:30:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:11,710 INFO L93 Difference]: Finished difference Result 1357 states and 3888 transitions. [2019-12-18 21:30:11,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 21:30:11,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2019-12-18 21:30:11,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:11,714 INFO L225 Difference]: With dead ends: 1357 [2019-12-18 21:30:11,714 INFO L226 Difference]: Without dead ends: 1357 [2019-12-18 21:30:11,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-18 21:30:11,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2019-12-18 21:30:11,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1217. [2019-12-18 21:30:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2019-12-18 21:30:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 3488 transitions. [2019-12-18 21:30:11,736 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 3488 transitions. Word has length 29 [2019-12-18 21:30:11,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:11,737 INFO L462 AbstractCegarLoop]: Abstraction has 1217 states and 3488 transitions. [2019-12-18 21:30:11,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 21:30:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 3488 transitions. [2019-12-18 21:30:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-18 21:30:11,747 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:11,747 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:11,747 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:11,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:11,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1789262397, now seen corresponding path program 1 times [2019-12-18 21:30:11,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:11,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397334635] [2019-12-18 21:30:11,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:11,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397334635] [2019-12-18 21:30:11,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:11,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 21:30:11,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189938886] [2019-12-18 21:30:11,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 21:30:11,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:11,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 21:30:11,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:11,868 INFO L87 Difference]: Start difference. First operand 1217 states and 3488 transitions. Second operand 3 states. [2019-12-18 21:30:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:11,920 INFO L93 Difference]: Finished difference Result 1228 states and 3503 transitions. [2019-12-18 21:30:11,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 21:30:11,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-12-18 21:30:11,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:11,923 INFO L225 Difference]: With dead ends: 1228 [2019-12-18 21:30:11,923 INFO L226 Difference]: Without dead ends: 1228 [2019-12-18 21:30:11,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:11,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2019-12-18 21:30:11,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1222. [2019-12-18 21:30:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2019-12-18 21:30:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 3497 transitions. [2019-12-18 21:30:11,944 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 3497 transitions. Word has length 58 [2019-12-18 21:30:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:11,944 INFO L462 AbstractCegarLoop]: Abstraction has 1222 states and 3497 transitions. [2019-12-18 21:30:11,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 21:30:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 3497 transitions. [2019-12-18 21:30:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-18 21:30:11,948 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:11,948 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:11,948 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:11,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2131195958, now seen corresponding path program 1 times [2019-12-18 21:30:11,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:11,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769162529] [2019-12-18 21:30:11,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:12,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769162529] [2019-12-18 21:30:12,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:12,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 21:30:12,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578052177] [2019-12-18 21:30:12,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 21:30:12,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:12,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 21:30:12,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 21:30:12,054 INFO L87 Difference]: Start difference. First operand 1222 states and 3497 transitions. Second operand 5 states. [2019-12-18 21:30:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:12,299 INFO L93 Difference]: Finished difference Result 1763 states and 5019 transitions. [2019-12-18 21:30:12,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 21:30:12,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-12-18 21:30:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:12,303 INFO L225 Difference]: With dead ends: 1763 [2019-12-18 21:30:12,303 INFO L226 Difference]: Without dead ends: 1763 [2019-12-18 21:30:12,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-18 21:30:12,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2019-12-18 21:30:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1418. [2019-12-18 21:30:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2019-12-18 21:30:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 4073 transitions. [2019-12-18 21:30:12,322 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 4073 transitions. Word has length 58 [2019-12-18 21:30:12,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:12,322 INFO L462 AbstractCegarLoop]: Abstraction has 1418 states and 4073 transitions. [2019-12-18 21:30:12,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 21:30:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4073 transitions. [2019-12-18 21:30:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-18 21:30:12,326 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:12,326 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:12,327 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:12,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:12,327 INFO L82 PathProgramCache]: Analyzing trace with hash 831744802, now seen corresponding path program 2 times [2019-12-18 21:30:12,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:12,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148085494] [2019-12-18 21:30:12,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:12,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148085494] [2019-12-18 21:30:12,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:12,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 21:30:12,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363023229] [2019-12-18 21:30:12,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 21:30:12,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:12,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 21:30:12,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-18 21:30:12,441 INFO L87 Difference]: Start difference. First operand 1418 states and 4073 transitions. Second operand 6 states. [2019-12-18 21:30:12,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:12,802 INFO L93 Difference]: Finished difference Result 2369 states and 6739 transitions. [2019-12-18 21:30:12,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-18 21:30:12,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-18 21:30:12,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:12,809 INFO L225 Difference]: With dead ends: 2369 [2019-12-18 21:30:12,809 INFO L226 Difference]: Without dead ends: 2369 [2019-12-18 21:30:12,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-18 21:30:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2019-12-18 21:30:12,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 1502. [2019-12-18 21:30:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2019-12-18 21:30:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 4321 transitions. [2019-12-18 21:30:12,844 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 4321 transitions. Word has length 58 [2019-12-18 21:30:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:12,844 INFO L462 AbstractCegarLoop]: Abstraction has 1502 states and 4321 transitions. [2019-12-18 21:30:12,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 21:30:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4321 transitions. [2019-12-18 21:30:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-18 21:30:12,849 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:12,849 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:12,849 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:12,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:12,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1828606006, now seen corresponding path program 3 times [2019-12-18 21:30:12,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:12,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526943698] [2019-12-18 21:30:12,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:13,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526943698] [2019-12-18 21:30:13,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:13,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 21:30:13,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241787603] [2019-12-18 21:30:13,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 21:30:13,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:13,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 21:30:13,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-18 21:30:13,039 INFO L87 Difference]: Start difference. First operand 1502 states and 4321 transitions. Second operand 6 states. [2019-12-18 21:30:13,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:13,396 INFO L93 Difference]: Finished difference Result 2376 states and 6757 transitions. [2019-12-18 21:30:13,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 21:30:13,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-18 21:30:13,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:13,401 INFO L225 Difference]: With dead ends: 2376 [2019-12-18 21:30:13,401 INFO L226 Difference]: Without dead ends: 2376 [2019-12-18 21:30:13,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-12-18 21:30:13,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2019-12-18 21:30:13,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 1690. [2019-12-18 21:30:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1690 states. [2019-12-18 21:30:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 4865 transitions. [2019-12-18 21:30:13,424 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 4865 transitions. Word has length 58 [2019-12-18 21:30:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:13,424 INFO L462 AbstractCegarLoop]: Abstraction has 1690 states and 4865 transitions. [2019-12-18 21:30:13,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 21:30:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 4865 transitions. [2019-12-18 21:30:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-18 21:30:13,427 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:13,427 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:13,428 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:13,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:13,428 INFO L82 PathProgramCache]: Analyzing trace with hash 361631606, now seen corresponding path program 4 times [2019-12-18 21:30:13,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:13,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303282394] [2019-12-18 21:30:13,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:13,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303282394] [2019-12-18 21:30:13,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:13,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-18 21:30:13,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805804340] [2019-12-18 21:30:13,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 21:30:13,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:13,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 21:30:13,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-18 21:30:13,531 INFO L87 Difference]: Start difference. First operand 1690 states and 4865 transitions. Second operand 7 states. [2019-12-18 21:30:13,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:13,965 INFO L93 Difference]: Finished difference Result 2633 states and 7491 transitions. [2019-12-18 21:30:13,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-18 21:30:13,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-12-18 21:30:13,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:13,971 INFO L225 Difference]: With dead ends: 2633 [2019-12-18 21:30:13,971 INFO L226 Difference]: Without dead ends: 2633 [2019-12-18 21:30:13,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-12-18 21:30:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2019-12-18 21:30:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 1606. [2019-12-18 21:30:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2019-12-18 21:30:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 4617 transitions. [2019-12-18 21:30:14,006 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 4617 transitions. Word has length 58 [2019-12-18 21:30:14,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:14,007 INFO L462 AbstractCegarLoop]: Abstraction has 1606 states and 4617 transitions. [2019-12-18 21:30:14,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 21:30:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 4617 transitions. [2019-12-18 21:30:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-18 21:30:14,011 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:14,011 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:14,012 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:14,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:14,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1130563328, now seen corresponding path program 1 times [2019-12-18 21:30:14,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:14,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556046612] [2019-12-18 21:30:14,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:14,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556046612] [2019-12-18 21:30:14,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:14,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-18 21:30:14,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394934747] [2019-12-18 21:30:14,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-18 21:30:14,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:14,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-18 21:30:14,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-12-18 21:30:14,268 INFO L87 Difference]: Start difference. First operand 1606 states and 4617 transitions. Second operand 12 states. [2019-12-18 21:30:15,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:15,504 INFO L93 Difference]: Finished difference Result 4021 states and 10616 transitions. [2019-12-18 21:30:15,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-12-18 21:30:15,504 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2019-12-18 21:30:15,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:15,509 INFO L225 Difference]: With dead ends: 4021 [2019-12-18 21:30:15,509 INFO L226 Difference]: Without dead ends: 2298 [2019-12-18 21:30:15,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=1007, Unknown=0, NotChecked=0, Total=1260 [2019-12-18 21:30:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2019-12-18 21:30:15,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 1476. [2019-12-18 21:30:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2019-12-18 21:30:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 4177 transitions. [2019-12-18 21:30:15,531 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 4177 transitions. Word has length 59 [2019-12-18 21:30:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:15,532 INFO L462 AbstractCegarLoop]: Abstraction has 1476 states and 4177 transitions. [2019-12-18 21:30:15,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-18 21:30:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 4177 transitions. [2019-12-18 21:30:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-18 21:30:15,535 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:15,536 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:15,536 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:15,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:15,536 INFO L82 PathProgramCache]: Analyzing trace with hash -2124049444, now seen corresponding path program 2 times [2019-12-18 21:30:15,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:15,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082103734] [2019-12-18 21:30:15,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:15,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082103734] [2019-12-18 21:30:15,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:15,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 21:30:15,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590160707] [2019-12-18 21:30:15,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 21:30:15,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:15,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 21:30:15,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:15,635 INFO L87 Difference]: Start difference. First operand 1476 states and 4177 transitions. Second operand 3 states. [2019-12-18 21:30:15,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:15,684 INFO L93 Difference]: Finished difference Result 1475 states and 4175 transitions. [2019-12-18 21:30:15,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 21:30:15,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-12-18 21:30:15,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:15,688 INFO L225 Difference]: With dead ends: 1475 [2019-12-18 21:30:15,688 INFO L226 Difference]: Without dead ends: 1475 [2019-12-18 21:30:15,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2019-12-18 21:30:15,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 950. [2019-12-18 21:30:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2019-12-18 21:30:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 2693 transitions. [2019-12-18 21:30:15,704 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 2693 transitions. Word has length 59 [2019-12-18 21:30:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:15,705 INFO L462 AbstractCegarLoop]: Abstraction has 950 states and 2693 transitions. [2019-12-18 21:30:15,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 21:30:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 2693 transitions. [2019-12-18 21:30:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-18 21:30:15,707 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:15,707 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:15,707 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:15,707 INFO L82 PathProgramCache]: Analyzing trace with hash -916388173, now seen corresponding path program 1 times [2019-12-18 21:30:15,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:15,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049423095] [2019-12-18 21:30:15,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:15,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049423095] [2019-12-18 21:30:15,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:15,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 21:30:15,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262464245] [2019-12-18 21:30:15,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 21:30:15,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:15,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 21:30:15,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:15,774 INFO L87 Difference]: Start difference. First operand 950 states and 2693 transitions. Second operand 3 states. [2019-12-18 21:30:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:15,789 INFO L93 Difference]: Finished difference Result 894 states and 2465 transitions. [2019-12-18 21:30:15,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 21:30:15,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-12-18 21:30:15,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:15,791 INFO L225 Difference]: With dead ends: 894 [2019-12-18 21:30:15,792 INFO L226 Difference]: Without dead ends: 894 [2019-12-18 21:30:15,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 21:30:15,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-12-18 21:30:15,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 830. [2019-12-18 21:30:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2019-12-18 21:30:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 2281 transitions. [2019-12-18 21:30:15,806 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 2281 transitions. Word has length 59 [2019-12-18 21:30:15,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:15,806 INFO L462 AbstractCegarLoop]: Abstraction has 830 states and 2281 transitions. [2019-12-18 21:30:15,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 21:30:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2281 transitions. [2019-12-18 21:30:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-18 21:30:15,809 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:15,809 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:15,809 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:15,809 INFO L82 PathProgramCache]: Analyzing trace with hash -40355053, now seen corresponding path program 1 times [2019-12-18 21:30:15,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:15,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804064111] [2019-12-18 21:30:15,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:15,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804064111] [2019-12-18 21:30:15,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:15,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 21:30:15,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919846317] [2019-12-18 21:30:15,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 21:30:15,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:15,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 21:30:15,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-18 21:30:15,941 INFO L87 Difference]: Start difference. First operand 830 states and 2281 transitions. Second operand 6 states. [2019-12-18 21:30:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:16,046 INFO L93 Difference]: Finished difference Result 1159 states and 3005 transitions. [2019-12-18 21:30:16,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 21:30:16,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-12-18 21:30:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:16,048 INFO L225 Difference]: With dead ends: 1159 [2019-12-18 21:30:16,048 INFO L226 Difference]: Without dead ends: 676 [2019-12-18 21:30:16,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-18 21:30:16,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2019-12-18 21:30:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 604. [2019-12-18 21:30:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-12-18 21:30:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1458 transitions. [2019-12-18 21:30:16,060 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1458 transitions. Word has length 60 [2019-12-18 21:30:16,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:16,061 INFO L462 AbstractCegarLoop]: Abstraction has 604 states and 1458 transitions. [2019-12-18 21:30:16,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 21:30:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1458 transitions. [2019-12-18 21:30:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-18 21:30:16,063 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:16,063 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:16,063 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:16,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:16,064 INFO L82 PathProgramCache]: Analyzing trace with hash -528056523, now seen corresponding path program 2 times [2019-12-18 21:30:16,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:16,065 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904222847] [2019-12-18 21:30:16,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:16,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904222847] [2019-12-18 21:30:16,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:16,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 21:30:16,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005772528] [2019-12-18 21:30:16,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 21:30:16,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:16,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 21:30:16,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-18 21:30:16,289 INFO L87 Difference]: Start difference. First operand 604 states and 1458 transitions. Second operand 7 states. [2019-12-18 21:30:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:16,417 INFO L93 Difference]: Finished difference Result 993 states and 2351 transitions. [2019-12-18 21:30:16,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-18 21:30:16,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2019-12-18 21:30:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:16,418 INFO L225 Difference]: With dead ends: 993 [2019-12-18 21:30:16,418 INFO L226 Difference]: Without dead ends: 268 [2019-12-18 21:30:16,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-12-18 21:30:16,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2019-12-18 21:30:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2019-12-18 21:30:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-12-18 21:30:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 419 transitions. [2019-12-18 21:30:16,423 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 419 transitions. Word has length 60 [2019-12-18 21:30:16,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:16,424 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 419 transitions. [2019-12-18 21:30:16,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 21:30:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 419 transitions. [2019-12-18 21:30:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-18 21:30:16,425 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:16,425 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:16,425 INFO L410 AbstractCegarLoop]: === Iteration 17 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:16,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1833326427, now seen corresponding path program 3 times [2019-12-18 21:30:16,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:16,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513821547] [2019-12-18 21:30:16,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 21:30:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 21:30:16,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513821547] [2019-12-18 21:30:16,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 21:30:16,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-18 21:30:16,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332643556] [2019-12-18 21:30:16,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-18 21:30:16,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 21:30:16,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-18 21:30:16,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-12-18 21:30:16,859 INFO L87 Difference]: Start difference. First operand 236 states and 419 transitions. Second operand 14 states. [2019-12-18 21:30:17,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 21:30:17,375 INFO L93 Difference]: Finished difference Result 393 states and 681 transitions. [2019-12-18 21:30:17,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-18 21:30:17,375 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2019-12-18 21:30:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 21:30:17,376 INFO L225 Difference]: With dead ends: 393 [2019-12-18 21:30:17,376 INFO L226 Difference]: Without dead ends: 362 [2019-12-18 21:30:17,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2019-12-18 21:30:17,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-12-18 21:30:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 344. [2019-12-18 21:30:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-18 21:30:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 604 transitions. [2019-12-18 21:30:17,382 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 604 transitions. Word has length 60 [2019-12-18 21:30:17,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 21:30:17,382 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 604 transitions. [2019-12-18 21:30:17,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-18 21:30:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 604 transitions. [2019-12-18 21:30:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-18 21:30:17,384 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 21:30:17,384 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 21:30:17,384 INFO L410 AbstractCegarLoop]: === Iteration 18 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 21:30:17,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 21:30:17,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1060183003, now seen corresponding path program 4 times [2019-12-18 21:30:17,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 21:30:17,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903375664] [2019-12-18 21:30:17,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 21:30:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 21:30:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 21:30:17,505 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 21:30:17,505 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 21:30:17,509 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [783] [783] ULTIMATE.startENTRY-->L833: Formula: (let ((.cse0 (store |v_#valid_72| 0 0))) (and (= v_~main$tmp_guard0~0_10 0) (= 0 v_~z$r_buff1_thd0~0_47) (= 0 v_~a~0_9) (= 0 v_~__unbuffered_p3_EAX~0_10) (= |v_#NULL.offset_7| 0) (= v_~z$r_buff0_thd3~0_20 0) (= v_~z$mem_tmp~0_11 0) (= v_~z$r_buff0_thd1~0_8 0) (= v_~z$r_buff1_thd1~0_8 0) (= (store |v_#length_30| |v_ULTIMATE.start_main_~#t1189~0.base_19| 4) |v_#length_29|) (< 0 |v_#StackHeapBarrier_21|) (= 0 v_~z$r_buff1_thd4~0_16) (< |v_#StackHeapBarrier_21| |v_ULTIMATE.start_main_~#t1189~0.base_19|) (= (select .cse0 |v_ULTIMATE.start_main_~#t1189~0.base_19|) 0) (= v_~z$r_buff1_thd2~0_9 0) (= v_~z$read_delayed_var~0.offset_7 0) (= v_~b~0_11 0) (= 0 v_~__unbuffered_p1_EAX~0_10) (= 0 v_~z$w_buff1~0_22) (= 0 v_~z$flush_delayed~0_16) (= v_~z$w_buff0_used~0_105 0) (= 0 v_~z$w_buff1_used~0_62) (= v_~z$r_buff0_thd4~0_24 0) (= 0 v_~weak$$choice2~0_33) (= 0 v_~weak$$choice0~0_7) (= v_~z$read_delayed_var~0.base_7 0) (= v_~z$read_delayed~0_7 0) (= 0 v_~__unbuffered_cnt~0_27) (= 0 |v_#NULL.base_7|) (= (store |v_#memory_int_26| |v_ULTIMATE.start_main_~#t1189~0.base_19| (store (select |v_#memory_int_26| |v_ULTIMATE.start_main_~#t1189~0.base_19|) |v_ULTIMATE.start_main_~#t1189~0.offset_16| 0)) |v_#memory_int_25|) (= v_~z~0_27 0) (= |v_ULTIMATE.start_main_~#t1189~0.offset_16| 0) (= v_~z$r_buff0_thd0~0_80 0) (= v_~z$r_buff0_thd2~0_9 0) (= 0 v_~z$w_buff0~0_25) (= v_~x~0_12 0) (= v_~main$tmp_guard1~0_12 0) (= 0 v_~z$r_buff1_thd3~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1189~0.base_19| 1) |v_#valid_70|) (= 0 v_~__unbuffered_p3_EBX~0_10) (= 0 v_~y~0_9))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_21|, #valid=|v_#valid_72|, #memory_int=|v_#memory_int_26|, #length=|v_#length_30|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_12|, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_9, ULTIMATE.start_main_#t~ite24=|v_ULTIMATE.start_main_#t~ite24_10|, ULTIMATE.start_main_#t~ite47=|v_ULTIMATE.start_main_#t~ite47_15|, #NULL.offset=|v_#NULL.offset_7|, ULTIMATE.start_main_~#t1191~0.base=|v_ULTIMATE.start_main_~#t1191~0.base_21|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_12|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_16|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_10|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_16|, ~a~0=v_~a~0_9, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_80, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_10, ULTIMATE.start_main_~#t1192~0.offset=|v_ULTIMATE.start_main_~#t1192~0.offset_17|, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_24, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_10, #length=|v_#length_29|, ULTIMATE.start_main_~#t1192~0.base=|v_ULTIMATE.start_main_~#t1192~0.base_22|, ~z$mem_tmp~0=v_~z$mem_tmp~0_11, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_15|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_13|, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_62, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_12|, ~z$flush_delayed~0=v_~z$flush_delayed~0_16, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_12|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_15|, ~weak$$choice0~0=v_~weak$$choice0~0_7, #StackHeapBarrier=|v_#StackHeapBarrier_21|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_15|, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_8, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_8|, ~z$read_delayed_var~0.base=v_~z$read_delayed_var~0.base_7, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_20, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_9|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_27, ~x~0=v_~x~0_12, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_16, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_13|, ~z$read_delayed~0=v_~z$read_delayed~0_7, ULTIMATE.start_main_#t~ite46=|v_ULTIMATE.start_main_#t~ite46_14|, ~z$w_buff1~0=v_~z$w_buff1~0_22, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_12|, ~z$read_delayed_var~0.offset=v_~z$read_delayed_var~0.offset_7, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_10|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_17|, ULTIMATE.start_main_#t~ite23=|v_ULTIMATE.start_main_#t~ite23_10|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_14|, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_15|, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_47, ULTIMATE.start_main_~#t1189~0.offset=|v_ULTIMATE.start_main_~#t1189~0.offset_16|, ULTIMATE.start_main_#t~nondet26=|v_ULTIMATE.start_main_#t~nondet26_8|, ~y~0=v_~y~0_9, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_9, ULTIMATE.start_main_~#t1191~0.offset=|v_ULTIMATE.start_main_~#t1191~0.offset_16|, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_105, ~z$w_buff0~0=v_~z$w_buff0~0_25, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_12|, ULTIMATE.start_main_#t~nondet25=|v_ULTIMATE.start_main_#t~nondet25_8|, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_17, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_15|, ULTIMATE.start_main_~#t1189~0.base=|v_ULTIMATE.start_main_~#t1189~0.base_19|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_13|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_10, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_13|, #NULL.base=|v_#NULL.base_7|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_12|, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_14|, ULTIMATE.start_main_~#t1190~0.base=|v_ULTIMATE.start_main_~#t1190~0.base_22|, ~b~0=v_~b~0_11, ULTIMATE.start_main_~#t1190~0.offset=|v_ULTIMATE.start_main_~#t1190~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_25|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_8|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_8|, ~z~0=v_~z~0_27, ~weak$$choice2~0=v_~weak$$choice2~0_33, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ~z$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite24, ULTIMATE.start_main_#t~ite47, #NULL.offset, ULTIMATE.start_main_~#t1191~0.base, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~a~0, ~z$r_buff0_thd0~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1192~0.offset, ~z$r_buff0_thd4~0, ~__unbuffered_p3_EAX~0, #length, ULTIMATE.start_main_~#t1192~0.base, ~z$mem_tmp~0, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~ite35, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite37, ~z$flush_delayed~0, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ~z$r_buff1_thd1~0, ULTIMATE.start_main_#t~nondet15, ~z$read_delayed_var~0.base, ~z$r_buff0_thd3~0, ULTIMATE.start_main_#t~nondet17, ~__unbuffered_cnt~0, ~x~0, ~z$r_buff1_thd4~0, ULTIMATE.start_main_#t~ite29, ~z$read_delayed~0, ULTIMATE.start_main_#t~ite46, ~z$w_buff1~0, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ~z$read_delayed_var~0.offset, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite23, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_main_#t~ite30, ~z$r_buff1_thd0~0, ULTIMATE.start_main_~#t1189~0.offset, ULTIMATE.start_main_#t~nondet26, ~y~0, ~z$r_buff0_thd2~0, ULTIMATE.start_main_~#t1191~0.offset, ~z$w_buff0_used~0, ~z$w_buff0~0, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~nondet25, ~z$r_buff1_thd3~0, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_~#t1189~0.base, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ~__unbuffered_p3_EBX~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_~#t1190~0.base, ~b~0, ULTIMATE.start_main_~#t1190~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet18, ~z~0, ~weak$$choice2~0, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-18 21:30:17,510 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [762] [762] L833-1-->L835: Formula: (and (= (store |v_#valid_49| |v_ULTIMATE.start_main_~#t1190~0.base_13| 1) |v_#valid_48|) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1190~0.base_13| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1190~0.base_13|) |v_ULTIMATE.start_main_~#t1190~0.offset_11| 1)) |v_#memory_int_19|) (= 0 |v_ULTIMATE.start_main_~#t1190~0.offset_11|) (not (= 0 |v_ULTIMATE.start_main_~#t1190~0.base_13|)) (= (select |v_#valid_49| |v_ULTIMATE.start_main_~#t1190~0.base_13|) 0) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1190~0.base_13| 4) |v_#length_23|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1190~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1190~0.base=|v_ULTIMATE.start_main_~#t1190~0.base_13|, ULTIMATE.start_main_~#t1190~0.offset=|v_ULTIMATE.start_main_~#t1190~0.offset_11|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|, #length=|v_#length_23|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1190~0.base, ULTIMATE.start_main_~#t1190~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length] because there is no mapped edge [2019-12-18 21:30:17,511 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [759] [759] L835-1-->L837: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1191~0.offset_10|) (= 0 (select |v_#valid_47| |v_ULTIMATE.start_main_~#t1191~0.base_12|)) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t1191~0.base_12|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1191~0.base_12| 4)) (not (= |v_ULTIMATE.start_main_~#t1191~0.base_12| 0)) (= (store |v_#valid_47| |v_ULTIMATE.start_main_~#t1191~0.base_12| 1) |v_#valid_46|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1191~0.base_12| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1191~0.base_12|) |v_ULTIMATE.start_main_~#t1191~0.offset_10| 2)) |v_#memory_int_17|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_~#t1191~0.offset=|v_ULTIMATE.start_main_~#t1191~0.offset_10|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|, ULTIMATE.start_main_~#t1191~0.base=|v_ULTIMATE.start_main_~#t1191~0.base_12|, #length=|v_#length_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1191~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_~#t1191~0.base, #length] because there is no mapped edge [2019-12-18 21:30:17,512 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [748] [748] L837-1-->L839: Formula: (and (= 0 (select |v_#valid_40| |v_ULTIMATE.start_main_~#t1192~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1192~0.offset_10|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t1192~0.base_12|) (= |v_#valid_39| (store |v_#valid_40| |v_ULTIMATE.start_main_~#t1192~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1192~0.base_12|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1192~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1192~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1192~0.base_12|) |v_ULTIMATE.start_main_~#t1192~0.offset_10| 3)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t1192~0.base=|v_ULTIMATE.start_main_~#t1192~0.base_12|, #StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t1192~0.offset=|v_ULTIMATE.start_main_~#t1192~0.offset_10|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1192~0.base, ULTIMATE.start_main_~#t1192~0.offset, #valid, #memory_int, #length, ULTIMATE.start_main_#t~nondet17] because there is no mapped edge [2019-12-18 21:30:17,514 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [660] [660] L4-->L810: Formula: (and (= v_~__unbuffered_p3_EBX~0_4 v_~b~0_4) (not (= 0 v_P3Thread1of1ForFork3___VERIFIER_assert_~expression_8)) (= v_~__unbuffered_p3_EAX~0_4 v_~a~0_3) (= v_~z$r_buff1_thd1~0_3 v_~z$r_buff0_thd1~0_3) (= v_~z$r_buff1_thd2~0_4 v_~z$r_buff0_thd2~0_4) (= 1 v_~a~0_3) (= v_~z$r_buff0_thd4~0_15 1) (= v_~z$r_buff0_thd4~0_16 v_~z$r_buff1_thd4~0_10) (= v_~z$r_buff0_thd3~0_15 v_~z$r_buff1_thd3~0_11) (= v_~z$r_buff0_thd0~0_46 v_~z$r_buff1_thd0~0_26)) InVars {P3Thread1of1ForFork3___VERIFIER_assert_~expression=v_P3Thread1of1ForFork3___VERIFIER_assert_~expression_8, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_46, ~b~0=v_~b~0_4, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_16, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_15, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_3, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_4} OutVars{P3Thread1of1ForFork3___VERIFIER_assert_~expression=v_P3Thread1of1ForFork3___VERIFIER_assert_~expression_8, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_10, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_11, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_4, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_4, ~a~0=v_~a~0_3, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_46, ~b~0=v_~b~0_4, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_26, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_3, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_4, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_15, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_15, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_3, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_4} AuxVars[] AssignedVars[~a~0, ~z$r_buff1_thd4~0, ~z$r_buff1_thd3~0, ~z$r_buff1_thd0~0, ~z$r_buff1_thd2~0, ~z$r_buff1_thd1~0, ~__unbuffered_p3_EAX~0, ~z$r_buff0_thd4~0, ~__unbuffered_p3_EBX~0] because there is no mapped edge [2019-12-18 21:30:17,514 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [755] [755] P0ENTRY-->P0EXIT: Formula: (and (= v_P0Thread1of1ForFork0_~arg.base_5 |v_P0Thread1of1ForFork0_#in~arg.base_5|) (= 1 v_~b~0_7) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= 1 v_~x~0_7) (= v_P0Thread1of1ForFork0_~arg.offset_5 |v_P0Thread1of1ForFork0_#in~arg.offset_5|) (= |v_P0Thread1of1ForFork0_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_20 (+ v_~__unbuffered_cnt~0_21 1))) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_5|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_21} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_5|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, ~b~0=v_~b~0_7, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_5, ~x~0=v_~x~0_7, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_5} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, ~b~0, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P0Thread1of1ForFork0_~arg.base, ~x~0, P0Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-18 21:30:17,515 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [761] [761] P1ENTRY-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_23 1) v_~__unbuffered_cnt~0_22) (= v_~__unbuffered_p1_EAX~0_6 v_~y~0_5) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 2 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|) (= |v_P1Thread1of1ForFork1_#res.offset_5| 0)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_23, ~y~0=v_~y~0_5} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_6, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_22, ~y~0=v_~y~0_5, ~x~0=v_~x~0_8, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base, ~__unbuffered_cnt~0, ~x~0, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-18 21:30:17,517 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [710] [710] L811-->L811-2: Formula: (let ((.cse0 (= (mod ~z$w_buff0_used~0_In413595628 256) 0)) (.cse1 (= (mod ~z$r_buff0_thd4~0_In413595628 256) 0))) (or (and (not .cse0) (not .cse1) (= 0 |P3Thread1of1ForFork3_#t~ite11_Out413595628|)) (and (= ~z$w_buff0_used~0_In413595628 |P3Thread1of1ForFork3_#t~ite11_Out413595628|) (or .cse0 .cse1)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In413595628, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In413595628} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In413595628, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In413595628, P3Thread1of1ForFork3_#t~ite11=|P3Thread1of1ForFork3_#t~ite11_Out413595628|} AuxVars[] AssignedVars[P3Thread1of1ForFork3_#t~ite11] because there is no mapped edge [2019-12-18 21:30:17,518 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [717] [717] L774-2-->L774-4: Formula: (let ((.cse0 (= (mod ~z$r_buff1_thd3~0_In1896174220 256) 0)) (.cse1 (= 0 (mod ~z$w_buff1_used~0_In1896174220 256)))) (or (and (or .cse0 .cse1) (= ~z~0_In1896174220 |P2Thread1of1ForFork2_#t~ite3_Out1896174220|)) (and (= ~z$w_buff1~0_In1896174220 |P2Thread1of1ForFork2_#t~ite3_Out1896174220|) (not .cse0) (not .cse1)))) InVars {~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In1896174220, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1896174220, ~z$w_buff1~0=~z$w_buff1~0_In1896174220, ~z~0=~z~0_In1896174220} OutVars{P2Thread1of1ForFork2_#t~ite3=|P2Thread1of1ForFork2_#t~ite3_Out1896174220|, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In1896174220, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1896174220, ~z$w_buff1~0=~z$w_buff1~0_In1896174220, ~z~0=~z~0_In1896174220} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#t~ite3] because there is no mapped edge [2019-12-18 21:30:17,519 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [720] [720] L812-->L812-2: Formula: (let ((.cse2 (= (mod ~z$w_buff1_used~0_In615849508 256) 0)) (.cse3 (= 0 (mod ~z$r_buff1_thd4~0_In615849508 256))) (.cse1 (= 0 (mod ~z$w_buff0_used~0_In615849508 256))) (.cse0 (= (mod ~z$r_buff0_thd4~0_In615849508 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P3Thread1of1ForFork3_#t~ite12_Out615849508| 0)) (and (or .cse2 .cse3) (or .cse1 .cse0) (= ~z$w_buff1_used~0_In615849508 |P3Thread1of1ForFork3_#t~ite12_Out615849508|)))) InVars {~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In615849508, ~z$w_buff0_used~0=~z$w_buff0_used~0_In615849508, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In615849508, ~z$w_buff1_used~0=~z$w_buff1_used~0_In615849508} OutVars{~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In615849508, ~z$w_buff0_used~0=~z$w_buff0_used~0_In615849508, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In615849508, ~z$w_buff1_used~0=~z$w_buff1_used~0_In615849508, P3Thread1of1ForFork3_#t~ite12=|P3Thread1of1ForFork3_#t~ite12_Out615849508|} AuxVars[] AssignedVars[P3Thread1of1ForFork3_#t~ite12] because there is no mapped edge [2019-12-18 21:30:17,520 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [730] [730] L813-->L814: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In-1121613852 256))) (.cse0 (= (mod ~z$r_buff0_thd4~0_In-1121613852 256) 0))) (or (and (= 0 ~z$r_buff0_thd4~0_Out-1121613852) (not .cse0) (not .cse1)) (and (= ~z$r_buff0_thd4~0_In-1121613852 ~z$r_buff0_thd4~0_Out-1121613852) (or .cse1 .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1121613852, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-1121613852} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-1121613852, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_Out-1121613852, P3Thread1of1ForFork3_#t~ite13=|P3Thread1of1ForFork3_#t~ite13_Out-1121613852|} AuxVars[] AssignedVars[~z$r_buff0_thd4~0, P3Thread1of1ForFork3_#t~ite13] because there is no mapped edge [2019-12-18 21:30:17,520 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [713] [713] L814-->L814-2: Formula: (let ((.cse1 (= 0 (mod ~z$r_buff1_thd4~0_In-302525051 256))) (.cse0 (= 0 (mod ~z$w_buff1_used~0_In-302525051 256))) (.cse3 (= 0 (mod ~z$r_buff0_thd4~0_In-302525051 256))) (.cse2 (= 0 (mod ~z$w_buff0_used~0_In-302525051 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P3Thread1of1ForFork3_#t~ite14_Out-302525051| 0)) (and (= |P3Thread1of1ForFork3_#t~ite14_Out-302525051| ~z$r_buff1_thd4~0_In-302525051) (or .cse1 .cse0) (or .cse3 .cse2)))) InVars {~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In-302525051, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-302525051, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-302525051, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-302525051} OutVars{~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In-302525051, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-302525051, P3Thread1of1ForFork3_#t~ite14=|P3Thread1of1ForFork3_#t~ite14_Out-302525051|, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-302525051, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-302525051} AuxVars[] AssignedVars[P3Thread1of1ForFork3_#t~ite14] because there is no mapped edge [2019-12-18 21:30:17,520 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [736] [736] L814-2-->P3EXIT: Formula: (and (= |v_P3Thread1of1ForFork3_#t~ite14_8| v_~z$r_buff1_thd4~0_11) (= (+ v_~__unbuffered_cnt~0_16 1) v_~__unbuffered_cnt~0_15) (= 0 |v_P3Thread1of1ForFork3_#res.offset_5|) (= 0 |v_P3Thread1of1ForFork3_#res.base_5|)) InVars {P3Thread1of1ForFork3_#t~ite14=|v_P3Thread1of1ForFork3_#t~ite14_8|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_16} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_11, P3Thread1of1ForFork3_#t~ite14=|v_P3Thread1of1ForFork3_#t~ite14_7|, P3Thread1of1ForFork3_#res.base=|v_P3Thread1of1ForFork3_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_15, P3Thread1of1ForFork3_#res.offset=|v_P3Thread1of1ForFork3_#res.offset_5|} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, P3Thread1of1ForFork3_#t~ite14, P3Thread1of1ForFork3_#res.base, ~__unbuffered_cnt~0, P3Thread1of1ForFork3_#res.offset] because there is no mapped edge [2019-12-18 21:30:17,521 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [687] [687] L774-4-->L775: Formula: (= v_~z~0_20 |v_P2Thread1of1ForFork2_#t~ite3_8|) InVars {P2Thread1of1ForFork2_#t~ite3=|v_P2Thread1of1ForFork2_#t~ite3_8|} OutVars{P2Thread1of1ForFork2_#t~ite4=|v_P2Thread1of1ForFork2_#t~ite4_7|, P2Thread1of1ForFork2_#t~ite3=|v_P2Thread1of1ForFork2_#t~ite3_7|, ~z~0=v_~z~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#t~ite4, P2Thread1of1ForFork2_#t~ite3, ~z~0] because there is no mapped edge [2019-12-18 21:30:17,521 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [715] [715] L775-->L775-2: Formula: (let ((.cse0 (= (mod ~z$r_buff0_thd3~0_In-470187236 256) 0)) (.cse1 (= (mod ~z$w_buff0_used~0_In-470187236 256) 0))) (or (and (= ~z$w_buff0_used~0_In-470187236 |P2Thread1of1ForFork2_#t~ite5_Out-470187236|) (or .cse0 .cse1)) (and (not .cse0) (= |P2Thread1of1ForFork2_#t~ite5_Out-470187236| 0) (not .cse1)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-470187236, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-470187236} OutVars{P2Thread1of1ForFork2_#t~ite5=|P2Thread1of1ForFork2_#t~ite5_Out-470187236|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-470187236, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-470187236} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#t~ite5] because there is no mapped edge [2019-12-18 21:30:17,522 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [712] [712] L776-->L776-2: Formula: (let ((.cse3 (= (mod ~z$r_buff0_thd3~0_In-514885481 256) 0)) (.cse2 (= (mod ~z$w_buff0_used~0_In-514885481 256) 0)) (.cse1 (= (mod ~z$w_buff1_used~0_In-514885481 256) 0)) (.cse0 (= (mod ~z$r_buff1_thd3~0_In-514885481 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P2Thread1of1ForFork2_#t~ite6_Out-514885481|)) (and (or .cse3 .cse2) (or .cse1 .cse0) (= ~z$w_buff1_used~0_In-514885481 |P2Thread1of1ForFork2_#t~ite6_Out-514885481|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-514885481, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-514885481, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-514885481, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-514885481} OutVars{P2Thread1of1ForFork2_#t~ite6=|P2Thread1of1ForFork2_#t~ite6_Out-514885481|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-514885481, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-514885481, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-514885481, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-514885481} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#t~ite6] because there is no mapped edge [2019-12-18 21:30:17,523 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [716] [716] L777-->L777-2: Formula: (let ((.cse0 (= 0 (mod ~z$w_buff0_used~0_In2141109936 256))) (.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In2141109936 256)))) (or (and (= |P2Thread1of1ForFork2_#t~ite7_Out2141109936| 0) (not .cse0) (not .cse1)) (and (= |P2Thread1of1ForFork2_#t~ite7_Out2141109936| ~z$r_buff0_thd3~0_In2141109936) (or .cse0 .cse1)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In2141109936, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In2141109936} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In2141109936, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In2141109936, P2Thread1of1ForFork2_#t~ite7=|P2Thread1of1ForFork2_#t~ite7_Out2141109936|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#t~ite7] because there is no mapped edge [2019-12-18 21:30:17,524 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [726] [726] L778-->L778-2: Formula: (let ((.cse0 (= (mod ~z$w_buff0_used~0_In-792992816 256) 0)) (.cse1 (= (mod ~z$r_buff0_thd3~0_In-792992816 256) 0)) (.cse3 (= 0 (mod ~z$w_buff1_used~0_In-792992816 256))) (.cse2 (= (mod ~z$r_buff1_thd3~0_In-792992816 256) 0))) (or (and (= ~z$r_buff1_thd3~0_In-792992816 |P2Thread1of1ForFork2_#t~ite8_Out-792992816|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P2Thread1of1ForFork2_#t~ite8_Out-792992816|) (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2)))))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-792992816, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-792992816, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-792992816, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-792992816} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-792992816, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-792992816, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-792992816, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-792992816, P2Thread1of1ForFork2_#t~ite8=|P2Thread1of1ForFork2_#t~ite8_Out-792992816|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#t~ite8] because there is no mapped edge [2019-12-18 21:30:17,524 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [739] [739] L778-2-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= (+ v_~__unbuffered_cnt~0_18 1) v_~__unbuffered_cnt~0_17) (= v_~z$r_buff1_thd3~0_12 |v_P2Thread1of1ForFork2_#t~ite8_8|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_18, P2Thread1of1ForFork2_#t~ite8=|v_P2Thread1of1ForFork2_#t~ite8_8|} OutVars{~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_12, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_17, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|, P2Thread1of1ForFork2_#t~ite8=|v_P2Thread1of1ForFork2_#t~ite8_7|} AuxVars[] AssignedVars[~z$r_buff1_thd3~0, P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset, P2Thread1of1ForFork2_#t~ite8] because there is no mapped edge [2019-12-18 21:30:17,524 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [707] [707] L839-1-->L845: Formula: (and (= 4 v_~__unbuffered_cnt~0_14) (= v_~main$tmp_guard0~0_5 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_5, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_4|} AuxVars[] AssignedVars[~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet18] because there is no mapped edge [2019-12-18 21:30:17,525 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [723] [723] L845-2-->L845-4: Formula: (let ((.cse1 (= (mod ~z$r_buff1_thd0~0_In432755265 256) 0)) (.cse0 (= 0 (mod ~z$w_buff1_used~0_In432755265 256)))) (or (and (not .cse0) (= ~z$w_buff1~0_In432755265 |ULTIMATE.start_main_#t~ite19_Out432755265|) (not .cse1)) (and (or .cse1 .cse0) (= ~z~0_In432755265 |ULTIMATE.start_main_#t~ite19_Out432755265|)))) InVars {~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In432755265, ~z$w_buff1_used~0=~z$w_buff1_used~0_In432755265, ~z$w_buff1~0=~z$w_buff1~0_In432755265, ~z~0=~z~0_In432755265} OutVars{ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out432755265|, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In432755265, ~z$w_buff1_used~0=~z$w_buff1_used~0_In432755265, ~z$w_buff1~0=~z$w_buff1~0_In432755265, ~z~0=~z~0_In432755265} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-18 21:30:17,525 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [647] [647] L845-4-->L846: Formula: (= v_~z~0_16 |v_ULTIMATE.start_main_#t~ite19_7|) InVars {ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_7|} OutVars{ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_6|, ~z~0=v_~z~0_16, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19, ~z~0, ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-18 21:30:17,525 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [709] [709] L846-->L846-2: Formula: (let ((.cse1 (= (mod ~z$w_buff0_used~0_In-106336059 256) 0)) (.cse0 (= (mod ~z$r_buff0_thd0~0_In-106336059 256) 0))) (or (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite21_Out-106336059| ~z$w_buff0_used~0_In-106336059)) (and (= 0 |ULTIMATE.start_main_#t~ite21_Out-106336059|) (not .cse1) (not .cse0)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-106336059, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-106336059} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-106336059, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-106336059, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out-106336059|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-18 21:30:17,526 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [728] [728] L847-->L847-2: Formula: (let ((.cse3 (= (mod ~z$r_buff1_thd0~0_In1859358947 256) 0)) (.cse2 (= (mod ~z$w_buff1_used~0_In1859358947 256) 0)) (.cse0 (= (mod ~z$w_buff0_used~0_In1859358947 256) 0)) (.cse1 (= (mod ~z$r_buff0_thd0~0_In1859358947 256) 0))) (or (and (or .cse0 .cse1) (= ~z$w_buff1_used~0_In1859358947 |ULTIMATE.start_main_#t~ite22_Out1859358947|) (or .cse2 .cse3)) (and (= 0 |ULTIMATE.start_main_#t~ite22_Out1859358947|) (or (and (not .cse3) (not .cse2)) (and (not .cse0) (not .cse1)))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1859358947, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1859358947, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1859358947, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1859358947} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1859358947, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1859358947, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1859358947, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1859358947, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out1859358947|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-18 21:30:17,527 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [721] [721] L848-->L848-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd0~0_In1418978547 256) 0)) (.cse0 (= 0 (mod ~z$w_buff0_used~0_In1418978547 256)))) (or (and (not .cse0) (= 0 |ULTIMATE.start_main_#t~ite23_Out1418978547|) (not .cse1)) (and (or .cse1 .cse0) (= ~z$r_buff0_thd0~0_In1418978547 |ULTIMATE.start_main_#t~ite23_Out1418978547|)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1418978547, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1418978547} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1418978547, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1418978547, ULTIMATE.start_main_#t~ite23=|ULTIMATE.start_main_#t~ite23_Out1418978547|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite23] because there is no mapped edge [2019-12-18 21:30:17,528 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [727] [727] L849-->L849-2: Formula: (let ((.cse1 (= (mod ~z$w_buff1_used~0_In-1558117430 256) 0)) (.cse0 (= 0 (mod ~z$r_buff1_thd0~0_In-1558117430 256))) (.cse2 (= (mod ~z$w_buff0_used~0_In-1558117430 256) 0)) (.cse3 (= 0 (mod ~z$r_buff0_thd0~0_In-1558117430 256)))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= ~z$r_buff1_thd0~0_In-1558117430 |ULTIMATE.start_main_#t~ite24_Out-1558117430|)) (and (= 0 |ULTIMATE.start_main_#t~ite24_Out-1558117430|) (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3)))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1558117430, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1558117430, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1558117430, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1558117430} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1558117430, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1558117430, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1558117430, ULTIMATE.start_main_#t~ite24=|ULTIMATE.start_main_#t~ite24_Out-1558117430|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1558117430} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite24] because there is no mapped edge [2019-12-18 21:30:17,537 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [764] [764] L860-->L860-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In-1829542989 256) 0))) (or (and .cse0 (= |ULTIMATE.start_main_#t~ite39_Out-1829542989| |ULTIMATE.start_main_#t~ite40_Out-1829542989|) (= |ULTIMATE.start_main_#t~ite39_Out-1829542989| ~z$w_buff1_used~0_In-1829542989) (let ((.cse1 (= (mod ~z$r_buff0_thd0~0_In-1829542989 256) 0))) (or (= (mod ~z$w_buff0_used~0_In-1829542989 256) 0) (and .cse1 (= 0 (mod ~z$r_buff1_thd0~0_In-1829542989 256))) (and .cse1 (= 0 (mod ~z$w_buff1_used~0_In-1829542989 256)))))) (and (= |ULTIMATE.start_main_#t~ite40_Out-1829542989| ~z$w_buff1_used~0_In-1829542989) (not .cse0) (= |ULTIMATE.start_main_#t~ite39_In-1829542989| |ULTIMATE.start_main_#t~ite39_Out-1829542989|)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1829542989, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1829542989, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_In-1829542989|, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1829542989, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1829542989, ~weak$$choice2~0=~weak$$choice2~0_In-1829542989} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1829542989, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1829542989|, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-1829542989|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1829542989, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1829542989, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1829542989, ~weak$$choice2~0=~weak$$choice2~0_In-1829542989} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39] because there is no mapped edge [2019-12-18 21:30:17,538 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [692] [692] L861-->L862: Formula: (and (= v_~z$r_buff0_thd0~0_59 v_~z$r_buff0_thd0~0_60) (not (= (mod v_~weak$$choice2~0_18 256) 0))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_60, ~weak$$choice2~0=v_~weak$$choice2~0_18} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_9|, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_59, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_8|, ~weak$$choice2~0=v_~weak$$choice2~0_18, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42] because there is no mapped edge [2019-12-18 21:30:17,539 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [775] [775] L862-->L862-8: Formula: (let ((.cse0 (= |ULTIMATE.start_main_#t~ite46_Out639555285| |ULTIMATE.start_main_#t~ite45_Out639555285|)) (.cse5 (= 0 (mod ~z$w_buff0_used~0_In639555285 256))) (.cse4 (= (mod ~z$r_buff1_thd0~0_In639555285 256) 0)) (.cse3 (= 0 (mod ~z$w_buff1_used~0_In639555285 256))) (.cse1 (= 0 (mod ~weak$$choice2~0_In639555285 256))) (.cse2 (= (mod ~z$r_buff0_thd0~0_In639555285 256) 0))) (or (and (= |ULTIMATE.start_main_#t~ite44_In639555285| |ULTIMATE.start_main_#t~ite44_Out639555285|) (or (and .cse0 .cse1 (or (and .cse2 .cse3) (and .cse4 .cse2) .cse5) (= ~z$r_buff1_thd0~0_In639555285 |ULTIMATE.start_main_#t~ite45_Out639555285|)) (and (not .cse1) (= |ULTIMATE.start_main_#t~ite45_In639555285| |ULTIMATE.start_main_#t~ite45_Out639555285|) (= ~z$r_buff1_thd0~0_In639555285 |ULTIMATE.start_main_#t~ite46_Out639555285|)))) (let ((.cse6 (not .cse2))) (and .cse0 (not .cse5) (= |ULTIMATE.start_main_#t~ite45_Out639555285| |ULTIMATE.start_main_#t~ite44_Out639555285|) (or (not .cse4) .cse6) (or .cse6 (not .cse3)) .cse1 (= 0 |ULTIMATE.start_main_#t~ite44_Out639555285|))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In639555285, ~z$w_buff0_used~0=~z$w_buff0_used~0_In639555285, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In639555285, ~z$w_buff1_used~0=~z$w_buff1_used~0_In639555285, ~weak$$choice2~0=~weak$$choice2~0_In639555285, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_In639555285|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_In639555285|} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In639555285, ~z$w_buff0_used~0=~z$w_buff0_used~0_In639555285, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In639555285, ~z$w_buff1_used~0=~z$w_buff1_used~0_In639555285, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out639555285|, ~weak$$choice2~0=~weak$$choice2~0_In639555285, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out639555285|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out639555285|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2019-12-18 21:30:17,540 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [743] [743] L864-->L4: Formula: (and (= 0 v_~z$flush_delayed~0_11) (= (mod v_~main$tmp_guard1~0_7 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|) (not (= 0 (mod v_~z$flush_delayed~0_12 256))) (= v_~z~0_23 v_~z$mem_tmp~0_7)) InVars {~z$mem_tmp~0=v_~z$mem_tmp~0_7, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_7, ~z$flush_delayed~0=v_~z$flush_delayed~0_12} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_7, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_main_#t~ite47=|v_ULTIMATE.start_main_#t~ite47_11|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_7, ~z$flush_delayed~0=v_~z$flush_delayed~0_11, ~z~0=v_~z~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~ite47, ~z$flush_delayed~0, ~z~0, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-18 21:30:17,540 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [732] [732] L4-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_8 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_8 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_8, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-18 21:30:17,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 09:30:17 BasicIcfg [2019-12-18 21:30:17,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 21:30:17,658 INFO L168 Benchmark]: Toolchain (without parser) took 31323.96 ms. Allocated memory was 140.0 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 103.2 MB in the beginning and 982.5 MB in the end (delta: -879.3 MB). Peak memory consumption was 665.8 MB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,659 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.53 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 156.1 MB in the end (delta: -53.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.34 ms. Allocated memory is still 202.9 MB. Free memory was 156.1 MB in the beginning and 152.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,661 INFO L168 Benchmark]: Boogie Preprocessor took 40.90 ms. Allocated memory is still 202.9 MB. Free memory was 152.9 MB in the beginning and 150.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,662 INFO L168 Benchmark]: RCFGBuilder took 842.69 ms. Allocated memory is still 202.9 MB. Free memory was 150.3 MB in the beginning and 101.0 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,663 INFO L168 Benchmark]: TraceAbstraction took 29541.01 ms. Allocated memory was 202.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 101.0 MB in the beginning and 982.5 MB in the end (delta: -881.5 MB). Peak memory consumption was 600.6 MB. Max. memory is 7.1 GB. [2019-12-18 21:30:17,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.53 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 156.1 MB in the end (delta: -53.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.34 ms. Allocated memory is still 202.9 MB. Free memory was 156.1 MB in the beginning and 152.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.90 ms. Allocated memory is still 202.9 MB. Free memory was 152.9 MB in the beginning and 150.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 842.69 ms. Allocated memory is still 202.9 MB. Free memory was 150.3 MB in the beginning and 101.0 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29541.01 ms. Allocated memory was 202.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 101.0 MB in the beginning and 982.5 MB in the end (delta: -881.5 MB). Peak memory consumption was 600.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.9s, 181 ProgramPointsBefore, 93 ProgramPointsAfterwards, 209 TransitionsBefore, 100 TransitionsAfterwards, 12668 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 31 ConcurrentYvCompositions, 26 ChoiceCompositions, 4801 VarBasedMoverChecksPositive, 172 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 54567 CheckedPairsTotal, 117 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L833] FCALL, FORK 0 pthread_create(&t1189, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L835] FCALL, FORK 0 pthread_create(&t1190, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L837] FCALL, FORK 0 pthread_create(&t1191, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L839] FCALL, FORK 0 pthread_create(&t1192, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L788] 4 z$w_buff1 = z$w_buff0 [L789] 4 z$w_buff0 = 2 [L790] 4 z$w_buff1_used = z$w_buff0_used [L791] 4 z$w_buff0_used = (_Bool)1 [L810] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 3 y = 1 [L771] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L774] 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L811] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L812] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L775] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L776] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L777] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L845] 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L847] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L848] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L849] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L852] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L853] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L854] 0 z$flush_delayed = weak$$choice2 [L855] 0 z$mem_tmp = z VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=1, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=1, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L857] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=1, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L858] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=1, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L859] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=1, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L860] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=1, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 169 locations, 2 error locations. Result: UNSAFE, OverallTime: 29.2s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1923 SDtfs, 2248 SDslu, 4751 SDs, 0 SdLazy, 2490 SolverSat, 163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 36 SyntacticMatches, 13 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50070occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.9s AutomataMinimizationTime, 17 MinimizatonAttempts, 10640 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 808 NumberOfCodeBlocks, 808 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 161657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...