/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 13:56:31,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 13:56:31,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 13:56:32,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 13:56:32,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 13:56:32,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 13:56:32,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 13:56:32,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 13:56:32,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 13:56:32,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 13:56:32,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 13:56:32,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 13:56:32,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 13:56:32,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 13:56:32,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 13:56:32,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 13:56:32,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 13:56:32,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 13:56:32,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 13:56:32,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 13:56:32,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 13:56:32,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 13:56:32,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 13:56:32,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 13:56:32,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 13:56:32,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 13:56:32,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 13:56:32,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 13:56:32,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 13:56:32,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 13:56:32,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 13:56:32,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 13:56:32,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 13:56:32,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 13:56:32,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 13:56:32,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 13:56:32,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 13:56:32,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 13:56:32,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 13:56:32,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 13:56:32,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 13:56:32,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 13:56:32,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 13:56:32,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 13:56:32,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 13:56:32,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 13:56:32,090 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 13:56:32,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 13:56:32,091 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 13:56:32,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 13:56:32,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 13:56:32,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 13:56:32,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 13:56:32,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 13:56:32,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 13:56:32,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 13:56:32,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 13:56:32,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 13:56:32,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 13:56:32,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 13:56:32,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 13:56:32,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 13:56:32,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 13:56:32,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 13:56:32,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 13:56:32,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 13:56:32,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 13:56:32,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 13:56:32,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 13:56:32,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 13:56:32,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 13:56:32,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 13:56:32,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 13:56:32,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 13:56:32,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 13:56:32,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 13:56:32,425 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 13:56:32,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i [2019-12-18 13:56:32,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e67bd4f7/d89d9c12ec1245f2b90390a2df274819/FLAGfc9738526 [2019-12-18 13:56:33,092 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 13:56:33,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i [2019-12-18 13:56:33,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e67bd4f7/d89d9c12ec1245f2b90390a2df274819/FLAGfc9738526 [2019-12-18 13:56:33,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e67bd4f7/d89d9c12ec1245f2b90390a2df274819 [2019-12-18 13:56:33,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 13:56:33,317 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 13:56:33,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 13:56:33,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 13:56:33,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 13:56:33,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:56:33" (1/1) ... [2019-12-18 13:56:33,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c95312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:33, skipping insertion in model container [2019-12-18 13:56:33,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:56:33" (1/1) ... [2019-12-18 13:56:33,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 13:56:33,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 13:56:33,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 13:56:33,892 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 13:56:33,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 13:56:34,059 INFO L208 MainTranslator]: Completed translation [2019-12-18 13:56:34,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34 WrapperNode [2019-12-18 13:56:34,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 13:56:34,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 13:56:34,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 13:56:34,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 13:56:34,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 13:56:34,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 13:56:34,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 13:56:34,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 13:56:34,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (1/1) ... [2019-12-18 13:56:34,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 13:56:34,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 13:56:34,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 13:56:34,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 13:56:34,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (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 13:56:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 13:56:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 13:56:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 13:56:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 13:56:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 13:56:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 13:56:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 13:56:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 13:56:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 13:56:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 13:56:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 13:56:34,231 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 13:56:34,989 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 13:56:34,990 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-18 13:56:34,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:56:34 BoogieIcfgContainer [2019-12-18 13:56:34,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 13:56:34,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 13:56:34,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 13:56:34,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 13:56:34,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:56:33" (1/3) ... [2019-12-18 13:56:34,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1700643d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:56:34, skipping insertion in model container [2019-12-18 13:56:34,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:56:34" (2/3) ... [2019-12-18 13:56:34,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1700643d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:56:34, skipping insertion in model container [2019-12-18 13:56:34,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:56:34" (3/3) ... [2019-12-18 13:56:35,001 INFO L109 eAbstractionObserver]: Analyzing ICFG mix054_tso.opt.i [2019-12-18 13:56:35,012 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 13:56:35,012 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 13:56:35,020 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 13:56:35,021 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 13:56:35,056 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,057 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,057 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,057 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,058 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,058 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,058 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,059 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,059 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,059 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,060 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,060 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,060 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,061 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,061 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,061 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,061 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,062 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,062 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,062 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,062 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,063 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,063 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,063 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,064 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,064 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,064 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,065 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,065 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,065 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,066 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,066 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,066 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,067 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,067 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,067 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,067 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,068 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,068 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,068 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,070 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,070 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,070 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,070 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,071 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,071 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,071 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,071 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,080 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,080 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,081 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,081 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,081 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,082 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,082 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,082 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,083 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,083 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,087 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,087 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,088 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,088 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,088 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,088 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,089 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,089 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,090 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,090 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,090 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,090 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:56:35,107 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 13:56:35,129 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 13:56:35,129 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 13:56:35,130 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 13:56:35,130 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 13:56:35,130 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 13:56:35,130 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 13:56:35,130 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 13:56:35,131 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 13:56:35,168 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 180 transitions [2019-12-18 13:56:35,170 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-18 13:56:35,270 INFO L126 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-18 13:56:35,271 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 13:56:35,291 INFO L76 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 178 events. 41/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 266 event pairs. 6/141 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 13:56:35,312 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-18 13:56:35,385 INFO L126 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-18 13:56:35,386 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 13:56:35,390 INFO L76 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 178 events. 41/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 266 event pairs. 6/141 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 13:56:35,403 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10378 [2019-12-18 13:56:35,404 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 13:56:39,824 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-12-18 13:56:39,955 INFO L206 etLargeBlockEncoding]: Checked pairs total: 46078 [2019-12-18 13:56:39,956 INFO L214 etLargeBlockEncoding]: Total number of compositions: 100 [2019-12-18 13:56:39,959 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 90 transitions [2019-12-18 13:56:40,419 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8413 states. [2019-12-18 13:56:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8413 states. [2019-12-18 13:56:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 13:56:40,429 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:40,430 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 13:56:40,430 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:40,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:40,437 INFO L82 PathProgramCache]: Analyzing trace with hash 693777882, now seen corresponding path program 1 times [2019-12-18 13:56:40,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:40,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328354405] [2019-12-18 13:56:40,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:40,662 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 13:56:40,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328354405] [2019-12-18 13:56:40,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:40,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 13:56:40,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205275796] [2019-12-18 13:56:40,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:56:40,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:40,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:56:40,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:56:40,693 INFO L87 Difference]: Start difference. First operand 8413 states. Second operand 3 states. [2019-12-18 13:56:40,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:40,968 INFO L93 Difference]: Finished difference Result 8377 states and 27415 transitions. [2019-12-18 13:56:40,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:56:40,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 13:56:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:41,142 INFO L225 Difference]: With dead ends: 8377 [2019-12-18 13:56:41,142 INFO L226 Difference]: Without dead ends: 8208 [2019-12-18 13:56:41,144 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 13:56:41,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8208 states. [2019-12-18 13:56:41,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8208 to 8208. [2019-12-18 13:56:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2019-12-18 13:56:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 26895 transitions. [2019-12-18 13:56:41,752 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 26895 transitions. Word has length 5 [2019-12-18 13:56:41,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:41,753 INFO L462 AbstractCegarLoop]: Abstraction has 8208 states and 26895 transitions. [2019-12-18 13:56:41,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:56:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 26895 transitions. [2019-12-18 13:56:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 13:56:41,755 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:41,756 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:56:41,756 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:41,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:41,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2143808117, now seen corresponding path program 1 times [2019-12-18 13:56:41,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:41,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597087742] [2019-12-18 13:56:41,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:41,836 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 13:56:41,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597087742] [2019-12-18 13:56:41,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:41,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:56:41,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462282337] [2019-12-18 13:56:41,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:56:41,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:41,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:56:41,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:56:41,840 INFO L87 Difference]: Start difference. First operand 8208 states and 26895 transitions. Second operand 3 states. [2019-12-18 13:56:41,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:41,863 INFO L93 Difference]: Finished difference Result 1326 states and 3037 transitions. [2019-12-18 13:56:41,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:56:41,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-18 13:56:41,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:41,871 INFO L225 Difference]: With dead ends: 1326 [2019-12-18 13:56:41,872 INFO L226 Difference]: Without dead ends: 1326 [2019-12-18 13:56:41,872 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 13:56:41,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2019-12-18 13:56:41,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2019-12-18 13:56:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-12-18 13:56:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 3037 transitions. [2019-12-18 13:56:41,904 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 3037 transitions. Word has length 11 [2019-12-18 13:56:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:41,905 INFO L462 AbstractCegarLoop]: Abstraction has 1326 states and 3037 transitions. [2019-12-18 13:56:41,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:56:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 3037 transitions. [2019-12-18 13:56:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 13:56:41,906 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:41,906 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:56:41,906 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:41,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:41,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1923085964, now seen corresponding path program 1 times [2019-12-18 13:56:41,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:41,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127477041] [2019-12-18 13:56:41,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:41,993 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 13:56:41,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127477041] [2019-12-18 13:56:41,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:41,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:56:41,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737090448] [2019-12-18 13:56:41,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:56:41,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:41,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:56:41,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:56:41,997 INFO L87 Difference]: Start difference. First operand 1326 states and 3037 transitions. Second operand 4 states. [2019-12-18 13:56:42,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:42,317 INFO L93 Difference]: Finished difference Result 1806 states and 4001 transitions. [2019-12-18 13:56:42,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 13:56:42,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 13:56:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:42,327 INFO L225 Difference]: With dead ends: 1806 [2019-12-18 13:56:42,328 INFO L226 Difference]: Without dead ends: 1806 [2019-12-18 13:56:42,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 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 13:56:42,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2019-12-18 13:56:42,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1654. [2019-12-18 13:56:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2019-12-18 13:56:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 3712 transitions. [2019-12-18 13:56:42,397 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 3712 transitions. Word has length 11 [2019-12-18 13:56:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:42,398 INFO L462 AbstractCegarLoop]: Abstraction has 1654 states and 3712 transitions. [2019-12-18 13:56:42,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:56:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 3712 transitions. [2019-12-18 13:56:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-18 13:56:42,408 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:42,409 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] [2019-12-18 13:56:42,409 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:42,410 INFO L82 PathProgramCache]: Analyzing trace with hash 909891733, now seen corresponding path program 1 times [2019-12-18 13:56:42,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:42,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008412508] [2019-12-18 13:56:42,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:42,544 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 13:56:42,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008412508] [2019-12-18 13:56:42,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:42,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:56:42,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39353056] [2019-12-18 13:56:42,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:56:42,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:42,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:56:42,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:56:42,549 INFO L87 Difference]: Start difference. First operand 1654 states and 3712 transitions. Second operand 4 states. [2019-12-18 13:56:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:42,570 INFO L93 Difference]: Finished difference Result 356 states and 659 transitions. [2019-12-18 13:56:42,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 13:56:42,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-12-18 13:56:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:42,573 INFO L225 Difference]: With dead ends: 356 [2019-12-18 13:56:42,573 INFO L226 Difference]: Without dead ends: 356 [2019-12-18 13:56:42,574 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 13:56:42,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-18 13:56:42,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 321. [2019-12-18 13:56:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-12-18 13:56:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 594 transitions. [2019-12-18 13:56:42,584 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 594 transitions. Word has length 23 [2019-12-18 13:56:42,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:42,584 INFO L462 AbstractCegarLoop]: Abstraction has 321 states and 594 transitions. [2019-12-18 13:56:42,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:56:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 594 transitions. [2019-12-18 13:56:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:56:42,586 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:42,586 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] [2019-12-18 13:56:42,587 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:42,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:42,587 INFO L82 PathProgramCache]: Analyzing trace with hash 763517816, now seen corresponding path program 1 times [2019-12-18 13:56:42,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:42,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864891423] [2019-12-18 13:56:42,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:42,711 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 13:56:42,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864891423] [2019-12-18 13:56:42,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:42,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:56:42,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520773578] [2019-12-18 13:56:42,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:56:42,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:42,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:56:42,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:56:42,714 INFO L87 Difference]: Start difference. First operand 321 states and 594 transitions. Second operand 3 states. [2019-12-18 13:56:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:42,771 INFO L93 Difference]: Finished difference Result 331 states and 608 transitions. [2019-12-18 13:56:42,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:56:42,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-18 13:56:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:42,774 INFO L225 Difference]: With dead ends: 331 [2019-12-18 13:56:42,774 INFO L226 Difference]: Without dead ends: 331 [2019-12-18 13:56:42,775 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 13:56:42,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-12-18 13:56:42,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2019-12-18 13:56:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-12-18 13:56:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 604 transitions. [2019-12-18 13:56:42,784 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 604 transitions. Word has length 52 [2019-12-18 13:56:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:42,788 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 604 transitions. [2019-12-18 13:56:42,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:56:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 604 transitions. [2019-12-18 13:56:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:56:42,793 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:42,794 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] [2019-12-18 13:56:42,794 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:42,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:42,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1269350019, now seen corresponding path program 1 times [2019-12-18 13:56:42,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:42,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026369353] [2019-12-18 13:56:42,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:42,952 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 13:56:42,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026369353] [2019-12-18 13:56:42,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:42,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 13:56:42,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060864752] [2019-12-18 13:56:42,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 13:56:42,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:42,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 13:56:42,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:56:42,954 INFO L87 Difference]: Start difference. First operand 327 states and 604 transitions. Second operand 5 states. [2019-12-18 13:56:43,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:43,235 INFO L93 Difference]: Finished difference Result 458 states and 840 transitions. [2019-12-18 13:56:43,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 13:56:43,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-18 13:56:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:43,238 INFO L225 Difference]: With dead ends: 458 [2019-12-18 13:56:43,238 INFO L226 Difference]: Without dead ends: 458 [2019-12-18 13:56:43,238 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 13:56:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-12-18 13:56:43,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 374. [2019-12-18 13:56:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-12-18 13:56:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 695 transitions. [2019-12-18 13:56:43,247 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 695 transitions. Word has length 52 [2019-12-18 13:56:43,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:43,247 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 695 transitions. [2019-12-18 13:56:43,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 13:56:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 695 transitions. [2019-12-18 13:56:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:56:43,249 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:43,249 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] [2019-12-18 13:56:43,249 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:43,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:43,249 INFO L82 PathProgramCache]: Analyzing trace with hash 544633013, now seen corresponding path program 2 times [2019-12-18 13:56:43,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:43,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899372834] [2019-12-18 13:56:43,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:43,427 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 13:56:43,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899372834] [2019-12-18 13:56:43,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:43,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 13:56:43,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583171244] [2019-12-18 13:56:43,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 13:56:43,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:43,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 13:56:43,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-18 13:56:43,430 INFO L87 Difference]: Start difference. First operand 374 states and 695 transitions. Second operand 6 states. [2019-12-18 13:56:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:43,715 INFO L93 Difference]: Finished difference Result 513 states and 942 transitions. [2019-12-18 13:56:43,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 13:56:43,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-18 13:56:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:43,719 INFO L225 Difference]: With dead ends: 513 [2019-12-18 13:56:43,719 INFO L226 Difference]: Without dead ends: 513 [2019-12-18 13:56:43,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-12-18 13:56:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-12-18 13:56:43,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 406. [2019-12-18 13:56:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2019-12-18 13:56:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 754 transitions. [2019-12-18 13:56:43,729 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 754 transitions. Word has length 52 [2019-12-18 13:56:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:43,730 INFO L462 AbstractCegarLoop]: Abstraction has 406 states and 754 transitions. [2019-12-18 13:56:43,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 13:56:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 754 transitions. [2019-12-18 13:56:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:56:43,731 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:43,732 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] [2019-12-18 13:56:43,732 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:43,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:43,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1227473235, now seen corresponding path program 3 times [2019-12-18 13:56:43,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:43,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392005247] [2019-12-18 13:56:43,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:43,828 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 13:56:43,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392005247] [2019-12-18 13:56:43,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:43,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 13:56:43,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703560244] [2019-12-18 13:56:43,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 13:56:43,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:43,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 13:56:43,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-18 13:56:43,831 INFO L87 Difference]: Start difference. First operand 406 states and 754 transitions. Second operand 6 states. [2019-12-18 13:56:44,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:44,123 INFO L93 Difference]: Finished difference Result 694 states and 1274 transitions. [2019-12-18 13:56:44,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-18 13:56:44,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-18 13:56:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:44,127 INFO L225 Difference]: With dead ends: 694 [2019-12-18 13:56:44,127 INFO L226 Difference]: Without dead ends: 694 [2019-12-18 13:56:44,128 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 13:56:44,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2019-12-18 13:56:44,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 445. [2019-12-18 13:56:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-18 13:56:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 833 transitions. [2019-12-18 13:56:44,139 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 833 transitions. Word has length 52 [2019-12-18 13:56:44,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:44,139 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 833 transitions. [2019-12-18 13:56:44,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 13:56:44,140 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 833 transitions. [2019-12-18 13:56:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:56:44,141 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:44,141 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] [2019-12-18 13:56:44,141 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:44,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1833025349, now seen corresponding path program 4 times [2019-12-18 13:56:44,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:44,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523150097] [2019-12-18 13:56:44,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:44,209 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 13:56:44,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523150097] [2019-12-18 13:56:44,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:44,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:56:44,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078305888] [2019-12-18 13:56:44,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:56:44,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:44,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:56:44,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:56:44,212 INFO L87 Difference]: Start difference. First operand 445 states and 833 transitions. Second operand 3 states. [2019-12-18 13:56:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:44,224 INFO L93 Difference]: Finished difference Result 406 states and 739 transitions. [2019-12-18 13:56:44,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:56:44,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-18 13:56:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:44,226 INFO L225 Difference]: With dead ends: 406 [2019-12-18 13:56:44,226 INFO L226 Difference]: Without dead ends: 406 [2019-12-18 13:56:44,227 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 13:56:44,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2019-12-18 13:56:44,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2019-12-18 13:56:44,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2019-12-18 13:56:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 739 transitions. [2019-12-18 13:56:44,235 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 739 transitions. Word has length 52 [2019-12-18 13:56:44,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:44,235 INFO L462 AbstractCegarLoop]: Abstraction has 406 states and 739 transitions. [2019-12-18 13:56:44,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:56:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 739 transitions. [2019-12-18 13:56:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 13:56:44,237 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:44,237 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] [2019-12-18 13:56:44,237 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:44,238 INFO L82 PathProgramCache]: Analyzing trace with hash 513839464, now seen corresponding path program 1 times [2019-12-18 13:56:44,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:44,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614466835] [2019-12-18 13:56:44,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:44,409 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 13:56:44,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614466835] [2019-12-18 13:56:44,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:44,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-18 13:56:44,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743229861] [2019-12-18 13:56:44,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-18 13:56:44,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:44,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-18 13:56:44,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-18 13:56:44,412 INFO L87 Difference]: Start difference. First operand 406 states and 739 transitions. Second operand 8 states. [2019-12-18 13:56:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:45,019 INFO L93 Difference]: Finished difference Result 677 states and 1203 transitions. [2019-12-18 13:56:45,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-18 13:56:45,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-12-18 13:56:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:45,025 INFO L225 Difference]: With dead ends: 677 [2019-12-18 13:56:45,025 INFO L226 Difference]: Without dead ends: 677 [2019-12-18 13:56:45,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2019-12-18 13:56:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-12-18 13:56:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 362. [2019-12-18 13:56:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-12-18 13:56:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 654 transitions. [2019-12-18 13:56:45,036 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 654 transitions. Word has length 53 [2019-12-18 13:56:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:45,036 INFO L462 AbstractCegarLoop]: Abstraction has 362 states and 654 transitions. [2019-12-18 13:56:45,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-18 13:56:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 654 transitions. [2019-12-18 13:56:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 13:56:45,038 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:45,038 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] [2019-12-18 13:56:45,038 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:45,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:45,039 INFO L82 PathProgramCache]: Analyzing trace with hash -162355984, now seen corresponding path program 2 times [2019-12-18 13:56:45,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:45,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272339343] [2019-12-18 13:56:45,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:45,296 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 13:56:45,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272339343] [2019-12-18 13:56:45,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:45,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-18 13:56:45,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483581337] [2019-12-18 13:56:45,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-18 13:56:45,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:45,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-18 13:56:45,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-12-18 13:56:45,299 INFO L87 Difference]: Start difference. First operand 362 states and 654 transitions. Second operand 12 states. [2019-12-18 13:56:46,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:46,107 INFO L93 Difference]: Finished difference Result 780 states and 1402 transitions. [2019-12-18 13:56:46,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-18 13:56:46,107 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2019-12-18 13:56:46,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:46,110 INFO L225 Difference]: With dead ends: 780 [2019-12-18 13:56:46,110 INFO L226 Difference]: Without dead ends: 270 [2019-12-18 13:56:46,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=642, Unknown=0, NotChecked=0, Total=812 [2019-12-18 13:56:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-12-18 13:56:46,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 246. [2019-12-18 13:56:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-12-18 13:56:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 424 transitions. [2019-12-18 13:56:46,117 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 424 transitions. Word has length 53 [2019-12-18 13:56:46,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:46,118 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 424 transitions. [2019-12-18 13:56:46,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-18 13:56:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 424 transitions. [2019-12-18 13:56:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 13:56:46,119 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:46,119 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] [2019-12-18 13:56:46,119 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:46,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:46,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1236840700, now seen corresponding path program 3 times [2019-12-18 13:56:46,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:46,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443109935] [2019-12-18 13:56:46,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:46,185 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 13:56:46,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443109935] [2019-12-18 13:56:46,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:46,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:56:46,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289927197] [2019-12-18 13:56:46,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:56:46,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:46,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:56:46,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:56:46,188 INFO L87 Difference]: Start difference. First operand 246 states and 424 transitions. Second operand 3 states. [2019-12-18 13:56:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:46,278 INFO L93 Difference]: Finished difference Result 246 states and 423 transitions. [2019-12-18 13:56:46,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:56:46,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-12-18 13:56:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:46,280 INFO L225 Difference]: With dead ends: 246 [2019-12-18 13:56:46,280 INFO L226 Difference]: Without dead ends: 246 [2019-12-18 13:56:46,281 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 13:56:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-12-18 13:56:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 197. [2019-12-18 13:56:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-12-18 13:56:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 339 transitions. [2019-12-18 13:56:46,285 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 339 transitions. Word has length 53 [2019-12-18 13:56:46,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:46,286 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 339 transitions. [2019-12-18 13:56:46,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:56:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 339 transitions. [2019-12-18 13:56:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 13:56:46,287 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:46,287 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] [2019-12-18 13:56:46,287 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:46,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:46,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2120402622, now seen corresponding path program 1 times [2019-12-18 13:56:46,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:46,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323312645] [2019-12-18 13:56:46,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:46,634 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 13:56:46,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323312645] [2019-12-18 13:56:46,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:46,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-18 13:56:46,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031193573] [2019-12-18 13:56:46,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-18 13:56:46,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:46,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-18 13:56:46,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-12-18 13:56:46,637 INFO L87 Difference]: Start difference. First operand 197 states and 339 transitions. Second operand 14 states. [2019-12-18 13:56:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:47,224 INFO L93 Difference]: Finished difference Result 366 states and 620 transitions. [2019-12-18 13:56:47,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-18 13:56:47,225 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2019-12-18 13:56:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:47,227 INFO L225 Difference]: With dead ends: 366 [2019-12-18 13:56:47,227 INFO L226 Difference]: Without dead ends: 331 [2019-12-18 13:56:47,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2019-12-18 13:56:47,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-12-18 13:56:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 297. [2019-12-18 13:56:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-12-18 13:56:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 510 transitions. [2019-12-18 13:56:47,235 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 510 transitions. Word has length 54 [2019-12-18 13:56:47,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:47,235 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 510 transitions. [2019-12-18 13:56:47,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-18 13:56:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 510 transitions. [2019-12-18 13:56:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 13:56:47,236 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:47,237 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] [2019-12-18 13:56:47,237 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:47,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:47,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1229989646, now seen corresponding path program 2 times [2019-12-18 13:56:47,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:47,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844783566] [2019-12-18 13:56:47,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:56:47,512 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 13:56:47,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844783566] [2019-12-18 13:56:47,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:56:47,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-18 13:56:47,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165400370] [2019-12-18 13:56:47,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-18 13:56:47,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:56:47,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-18 13:56:47,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-12-18 13:56:47,514 INFO L87 Difference]: Start difference. First operand 297 states and 510 transitions. Second operand 14 states. [2019-12-18 13:56:48,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:56:48,099 INFO L93 Difference]: Finished difference Result 402 states and 671 transitions. [2019-12-18 13:56:48,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-18 13:56:48,099 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2019-12-18 13:56:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:56:48,103 INFO L225 Difference]: With dead ends: 402 [2019-12-18 13:56:48,103 INFO L226 Difference]: Without dead ends: 367 [2019-12-18 13:56:48,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2019-12-18 13:56:48,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-12-18 13:56:48,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 305. [2019-12-18 13:56:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-12-18 13:56:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 524 transitions. [2019-12-18 13:56:48,111 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 524 transitions. Word has length 54 [2019-12-18 13:56:48,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:56:48,112 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 524 transitions. [2019-12-18 13:56:48,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-18 13:56:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 524 transitions. [2019-12-18 13:56:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 13:56:48,113 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:56:48,113 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] [2019-12-18 13:56:48,113 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:56:48,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:56:48,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1631137646, now seen corresponding path program 3 times [2019-12-18 13:56:48,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:56:48,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230563745] [2019-12-18 13:56:48,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:56:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 13:56:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 13:56:48,268 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 13:56:48,269 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 13:56:48,273 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [701] [701] ULTIMATE.startENTRY-->L779: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~x$read_delayed_var~0.base_6) (= v_~x$r_buff0_thd0~0_317 0) (= 0 v_~x$read_delayed_var~0.offset_6) (= v_~x$mem_tmp~0_19 0) (= 0 v_~x$r_buff1_thd2~0_153) (= 0 v_~x~0_144) (= v_~x$r_buff0_thd1~0_115 0) (= 0 v_~__unbuffered_cnt~0_78) (= v_~__unbuffered_p1_EAX~0_103 0) (= 0 v_~x$read_delayed~0_6) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x$w_buff1_used~0_381) (= v_~x$flush_delayed~0_36 0) (= 0 |v_#NULL.base_4|) (= |v_ULTIMATE.start_main_~#t1455~0.offset_17| 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1455~0.base_22| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1455~0.base_22|) |v_ULTIMATE.start_main_~#t1455~0.offset_17| 0)) |v_#memory_int_13|) (= 0 v_~x$r_buff0_thd2~0_168) (= (store .cse0 |v_ULTIMATE.start_main_~#t1455~0.base_22| 1) |v_#valid_47|) (= 0 v_~x$w_buff1~0_166) (= |v_#NULL.offset_4| 0) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1455~0.base_22| 4)) (= v_~main$tmp_guard1~0_24 0) (= v_~y~0_67 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t1455~0.base_22|) (= 0 v_~x$w_buff0~0_193) (= v_~x$r_buff1_thd0~0_243 0) (= v_~main$tmp_guard0~0_24 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t1455~0.base_22|) 0) (= v_~weak$$choice2~0_114 0) (= 0 v_~weak$$choice0~0_12) (= 0 v_~x$w_buff0_used~0_609) (= v_~x$r_buff1_thd1~0_167 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_193, ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_44|, ~x$flush_delayed~0=v_~x$flush_delayed~0_36, ULTIMATE.start_main_~#t1455~0.base=|v_ULTIMATE.start_main_~#t1455~0.base_22|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_29|, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_167, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_139|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_42|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_31|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_34|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_103, #length=|v_#length_15|, ~x$r_buff0_thd0~0=v_~x$r_buff0_thd0~0_317, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_29|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_31|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_19|, ~x$w_buff1~0=v_~x$w_buff1~0_166, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_28|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_381, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_153, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_37|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_32|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_31|, ULTIMATE.start_main_~#t1456~0.offset=|v_ULTIMATE.start_main_~#t1456~0.offset_14|, ~x$read_delayed_var~0.base=v_~x$read_delayed_var~0.base_6, ~weak$$choice0~0=v_~weak$$choice0~0_12, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_27|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_8|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78, ~x~0=v_~x~0_144, ULTIMATE.start_main_~#t1455~0.offset=|v_ULTIMATE.start_main_~#t1455~0.offset_17|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_115, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_25|, ULTIMATE.start_main_#t~ite25=|v_ULTIMATE.start_main_#t~ite25_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_40|, ~x$mem_tmp~0=v_~x$mem_tmp~0_19, ULTIMATE.start_main_~#t1456~0.base=|v_ULTIMATE.start_main_~#t1456~0.base_17|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_25|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_36|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_32|, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_36|, ~y~0=v_~y~0_67, ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_29|, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_19|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_27|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_39|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_24, ~x$r_buff1_thd0~0=v_~x$r_buff1_thd0~0_243, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_168, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_29|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_29|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_609, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_15|, ~x$read_delayed_var~0.offset=v_~x$read_delayed_var~0.offset_6, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_21|, ~weak$$choice2~0=v_~weak$$choice2~0_114, ~x$read_delayed~0=v_~x$read_delayed~0_6} AuxVars[] AssignedVars[~x$w_buff0~0, ULTIMATE.start_main_#t~ite28, ~x$flush_delayed~0, ULTIMATE.start_main_~#t1455~0.base, #NULL.offset, ULTIMATE.start_main_#t~ite26, ~x$r_buff1_thd1~0, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~__unbuffered_p1_EAX~0, #length, ~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ~x$w_buff1~0, ULTIMATE.start_main_#t~ite35, ~x$w_buff1_used~0, ~x$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ULTIMATE.start_main_~#t1456~0.offset, ~x$read_delayed_var~0.base, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~nondet15, ~__unbuffered_cnt~0, ~x~0, ULTIMATE.start_main_~#t1455~0.offset, ~x$r_buff0_thd1~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_#t~ite25, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ~x$mem_tmp~0, ULTIMATE.start_main_~#t1456~0.base, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_main_#t~ite30, ~y~0, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ~x$r_buff1_thd0~0, ~x$r_buff0_thd2~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite41, ~x$read_delayed_var~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~weak$$choice2~0, ~x$read_delayed~0] because there is no mapped edge [2019-12-18 13:56:48,273 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [668] [668] L779-1-->L781: Formula: (and (= (store |v_#valid_26| |v_ULTIMATE.start_main_~#t1456~0.base_10| 1) |v_#valid_25|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t1456~0.base_10| 4) |v_#length_9|) (= 0 (select |v_#valid_26| |v_ULTIMATE.start_main_~#t1456~0.base_10|)) (< |v_#StackHeapBarrier_7| |v_ULTIMATE.start_main_~#t1456~0.base_10|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1456~0.base_10| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1456~0.base_10|) |v_ULTIMATE.start_main_~#t1456~0.offset_9| 1))) (= |v_ULTIMATE.start_main_~#t1456~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1456~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_7|, #valid=|v_#valid_26|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_7|, #valid=|v_#valid_25|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|, #length=|v_#length_9|, ULTIMATE.start_main_~#t1456~0.base=|v_ULTIMATE.start_main_~#t1456~0.base_10|, ULTIMATE.start_main_~#t1456~0.offset=|v_ULTIMATE.start_main_~#t1456~0.offset_9|} AuxVars[] AssignedVars[#valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length, ULTIMATE.start_main_~#t1456~0.base, ULTIMATE.start_main_~#t1456~0.offset] because there is no mapped edge [2019-12-18 13:56:48,274 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [623] [623] P1ENTRY-->L4-3: Formula: (and (= |v_P1Thread1of1ForFork1_#in~arg.offset_17| v_P1Thread1of1ForFork1_~arg.offset_17) (= 2 v_~x$w_buff0~0_54) (= v_P1Thread1of1ForFork1___VERIFIER_assert_~expression_19 |v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_17|) (= 0 (mod v_~x$w_buff1_used~0_127 256)) (= 1 v_~x$w_buff0_used~0_216) (= v_~x$w_buff0~0_55 v_~x$w_buff1~0_48) (= 1 |v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_17|) (= v_~x$w_buff0_used~0_217 v_~x$w_buff1_used~0_127) (= v_P1Thread1of1ForFork1_~arg.base_17 |v_P1Thread1of1ForFork1_#in~arg.base_17|)) InVars {~x$w_buff0~0=v_~x$w_buff0~0_55, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_17|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_17|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217} OutVars{P1Thread1of1ForFork1___VERIFIER_assert_~expression=v_P1Thread1of1ForFork1___VERIFIER_assert_~expression_19, ~x$w_buff0~0=v_~x$w_buff0~0_54, P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_17, P1Thread1of1ForFork1___VERIFIER_assert_#in~expression=|v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_17|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_17, ~x$w_buff1~0=v_~x$w_buff1~0_48, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_17|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_17|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_127, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216} AuxVars[] AssignedVars[P1Thread1of1ForFork1___VERIFIER_assert_~expression, ~x$w_buff0~0, P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1___VERIFIER_assert_#in~expression, P1Thread1of1ForFork1_~arg.base, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$w_buff0_used~0] because there is no mapped edge [2019-12-18 13:56:48,276 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [650] [650] L728-2-->L728-5: Formula: (let ((.cse0 (= 0 (mod ~x$r_buff1_thd1~0_In898738101 256))) (.cse1 (= (mod ~x$w_buff1_used~0_In898738101 256) 0)) (.cse2 (= |P0Thread1of1ForFork0_#t~ite3_Out898738101| |P0Thread1of1ForFork0_#t~ite4_Out898738101|))) (or (and (or .cse0 .cse1) (= |P0Thread1of1ForFork0_#t~ite3_Out898738101| ~x~0_In898738101) .cse2) (and (not .cse0) (not .cse1) (= |P0Thread1of1ForFork0_#t~ite3_Out898738101| ~x$w_buff1~0_In898738101) .cse2))) InVars {~x$w_buff1~0=~x$w_buff1~0_In898738101, ~x$w_buff1_used~0=~x$w_buff1_used~0_In898738101, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In898738101, ~x~0=~x~0_In898738101} OutVars{P0Thread1of1ForFork0_#t~ite3=|P0Thread1of1ForFork0_#t~ite3_Out898738101|, P0Thread1of1ForFork0_#t~ite4=|P0Thread1of1ForFork0_#t~ite4_Out898738101|, ~x$w_buff1~0=~x$w_buff1~0_In898738101, ~x$w_buff1_used~0=~x$w_buff1_used~0_In898738101, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In898738101, ~x~0=~x~0_In898738101} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite3, P0Thread1of1ForFork0_#t~ite4] because there is no mapped edge [2019-12-18 13:56:48,276 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [658] [658] L729-->L729-2: Formula: (let ((.cse1 (= (mod ~x$w_buff0_used~0_In-1091633729 256) 0)) (.cse0 (= 0 (mod ~x$r_buff0_thd1~0_In-1091633729 256)))) (or (and (= |P0Thread1of1ForFork0_#t~ite5_Out-1091633729| 0) (not .cse0) (not .cse1)) (and (or .cse1 .cse0) (= |P0Thread1of1ForFork0_#t~ite5_Out-1091633729| ~x$w_buff0_used~0_In-1091633729)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-1091633729, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1091633729} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out-1091633729|, ~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-1091633729, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1091633729} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-18 13:56:48,277 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [640] [640] L730-->L730-2: Formula: (let ((.cse1 (= (mod ~x$r_buff0_thd1~0_In373204865 256) 0)) (.cse0 (= (mod ~x$w_buff0_used~0_In373204865 256) 0)) (.cse2 (= (mod ~x$w_buff1_used~0_In373204865 256) 0)) (.cse3 (= 0 (mod ~x$r_buff1_thd1~0_In373204865 256)))) (or (and (= ~x$w_buff1_used~0_In373204865 |P0Thread1of1ForFork0_#t~ite6_Out373204865|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3))) (= 0 |P0Thread1of1ForFork0_#t~ite6_Out373204865|)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In373204865, ~x$w_buff1_used~0=~x$w_buff1_used~0_In373204865, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In373204865, ~x$w_buff0_used~0=~x$w_buff0_used~0_In373204865} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out373204865|, ~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In373204865, ~x$w_buff1_used~0=~x$w_buff1_used~0_In373204865, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In373204865, ~x$w_buff0_used~0=~x$w_buff0_used~0_In373204865} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-18 13:56:48,278 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [647] [647] L757-->L757-2: Formula: (let ((.cse0 (= (mod ~x$w_buff0_used~0_In-955491904 256) 0)) (.cse1 (= (mod ~x$r_buff0_thd2~0_In-955491904 256) 0))) (or (and (or .cse0 .cse1) (= |P1Thread1of1ForFork1_#t~ite11_Out-955491904| ~x$w_buff0_used~0_In-955491904)) (and (not .cse0) (not .cse1) (= |P1Thread1of1ForFork1_#t~ite11_Out-955491904| 0)))) InVars {~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-955491904, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-955491904} OutVars{P1Thread1of1ForFork1_#t~ite11=|P1Thread1of1ForFork1_#t~ite11_Out-955491904|, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-955491904, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-955491904} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite11] because there is no mapped edge [2019-12-18 13:56:48,278 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [652] [652] L731-->L731-2: Formula: (let ((.cse0 (= 0 (mod ~x$w_buff0_used~0_In1846479301 256))) (.cse1 (= (mod ~x$r_buff0_thd1~0_In1846479301 256) 0))) (or (and (= ~x$r_buff0_thd1~0_In1846479301 |P0Thread1of1ForFork0_#t~ite7_Out1846479301|) (or .cse0 .cse1)) (and (not .cse0) (not .cse1) (= 0 |P0Thread1of1ForFork0_#t~ite7_Out1846479301|)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In1846479301, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1846479301} OutVars{~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In1846479301, P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out1846479301|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1846479301} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7] because there is no mapped edge [2019-12-18 13:56:48,279 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [642] [642] L732-->L732-2: Formula: (let ((.cse0 (= 0 (mod ~x$w_buff0_used~0_In-1884433540 256))) (.cse1 (= 0 (mod ~x$r_buff0_thd1~0_In-1884433540 256))) (.cse3 (= 0 (mod ~x$r_buff1_thd1~0_In-1884433540 256))) (.cse2 (= (mod ~x$w_buff1_used~0_In-1884433540 256) 0))) (or (and (= 0 |P0Thread1of1ForFork0_#t~ite8_Out-1884433540|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse0 .cse1) (= |P0Thread1of1ForFork0_#t~ite8_Out-1884433540| ~x$r_buff1_thd1~0_In-1884433540) (or .cse3 .cse2)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-1884433540, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1884433540, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In-1884433540, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1884433540} OutVars{~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-1884433540, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-1884433540|, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1884433540, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In-1884433540, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1884433540} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-18 13:56:48,279 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [681] [681] L732-2-->P0EXIT: Formula: (and (= v_~x$r_buff1_thd1~0_125 |v_P0Thread1of1ForFork0_#t~ite8_38|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= |v_P0Thread1of1ForFork0_#res.offset_5| 0) (= (+ v_~__unbuffered_cnt~0_40 1) v_~__unbuffered_cnt~0_39)) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_38|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_40} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_37|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_39, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_125} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, ~x$r_buff1_thd1~0] because there is no mapped edge [2019-12-18 13:56:48,279 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [655] [655] L758-->L758-2: Formula: (let ((.cse3 (= 0 (mod ~x$r_buff0_thd2~0_In-434671902 256))) (.cse2 (= (mod ~x$w_buff0_used~0_In-434671902 256) 0)) (.cse0 (= 0 (mod ~x$w_buff1_used~0_In-434671902 256))) (.cse1 (= 0 (mod ~x$r_buff1_thd2~0_In-434671902 256)))) (or (and (= 0 |P1Thread1of1ForFork1_#t~ite12_Out-434671902|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse3 .cse2) (or .cse0 .cse1) (= ~x$w_buff1_used~0_In-434671902 |P1Thread1of1ForFork1_#t~ite12_Out-434671902|)))) InVars {~x$w_buff1_used~0=~x$w_buff1_used~0_In-434671902, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In-434671902, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-434671902, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-434671902} OutVars{~x$w_buff1_used~0=~x$w_buff1_used~0_In-434671902, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In-434671902, P1Thread1of1ForFork1_#t~ite12=|P1Thread1of1ForFork1_#t~ite12_Out-434671902|, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-434671902, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-434671902} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-18 13:56:48,280 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [656] [656] L759-->L760: Formula: (let ((.cse1 (= 0 (mod ~x$w_buff0_used~0_In674171391 256))) (.cse0 (= 0 (mod ~x$r_buff0_thd2~0_In674171391 256)))) (or (and (= ~x$r_buff0_thd2~0_Out674171391 ~x$r_buff0_thd2~0_In674171391) (or .cse0 .cse1)) (and (not .cse1) (not .cse0) (= ~x$r_buff0_thd2~0_Out674171391 0)))) InVars {~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In674171391, ~x$w_buff0_used~0=~x$w_buff0_used~0_In674171391} OutVars{P1Thread1of1ForFork1_#t~ite13=|P1Thread1of1ForFork1_#t~ite13_Out674171391|, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_Out674171391, ~x$w_buff0_used~0=~x$w_buff0_used~0_In674171391} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite13, ~x$r_buff0_thd2~0] because there is no mapped edge [2019-12-18 13:56:48,280 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L760-->L760-2: Formula: (let ((.cse0 (= 0 (mod ~x$r_buff0_thd2~0_In-1053304352 256))) (.cse1 (= (mod ~x$w_buff0_used~0_In-1053304352 256) 0)) (.cse2 (= (mod ~x$w_buff1_used~0_In-1053304352 256) 0)) (.cse3 (= 0 (mod ~x$r_buff1_thd2~0_In-1053304352 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P1Thread1of1ForFork1_#t~ite14_Out-1053304352| 0)) (and (= ~x$r_buff1_thd2~0_In-1053304352 |P1Thread1of1ForFork1_#t~ite14_Out-1053304352|) (or .cse0 .cse1) (or .cse2 .cse3)))) InVars {~x$w_buff1_used~0=~x$w_buff1_used~0_In-1053304352, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In-1053304352, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-1053304352, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1053304352} OutVars{~x$w_buff1_used~0=~x$w_buff1_used~0_In-1053304352, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In-1053304352, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-1053304352, P1Thread1of1ForFork1_#t~ite14=|P1Thread1of1ForFork1_#t~ite14_Out-1053304352|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1053304352} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite14] because there is no mapped edge [2019-12-18 13:56:48,280 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [684] [684] L760-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= v_~x$r_buff1_thd2~0_125 |v_P1Thread1of1ForFork1_#t~ite14_36|) (= (+ v_~__unbuffered_cnt~0_56 1) v_~__unbuffered_cnt~0_55) (= |v_P1Thread1of1ForFork1_#res.offset_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_56, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_36|} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_125, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_55, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_35|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~x$r_buff1_thd2~0, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#t~ite14, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-18 13:56:48,280 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [586] [586] L781-1-->L787: Formula: (and (= 2 v_~__unbuffered_cnt~0_11) (= v_~main$tmp_guard0~0_6 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_11} OutVars{ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_11, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16, ~main$tmp_guard0~0] because there is no mapped edge [2019-12-18 13:56:48,281 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [651] [651] L787-2-->L787-5: Formula: (let ((.cse1 (= (mod ~x$r_buff1_thd0~0_In2022848187 256) 0)) (.cse0 (= 0 (mod ~x$w_buff1_used~0_In2022848187 256))) (.cse2 (= |ULTIMATE.start_main_#t~ite17_Out2022848187| |ULTIMATE.start_main_#t~ite18_Out2022848187|))) (or (and (= |ULTIMATE.start_main_#t~ite17_Out2022848187| ~x~0_In2022848187) (or .cse0 .cse1) .cse2) (and (not .cse1) (not .cse0) (= |ULTIMATE.start_main_#t~ite17_Out2022848187| ~x$w_buff1~0_In2022848187) .cse2))) InVars {~x$w_buff1~0=~x$w_buff1~0_In2022848187, ~x$w_buff1_used~0=~x$w_buff1_used~0_In2022848187, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In2022848187, ~x~0=~x~0_In2022848187} OutVars{ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out2022848187|, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out2022848187|, ~x$w_buff1~0=~x$w_buff1~0_In2022848187, ~x$w_buff1_used~0=~x$w_buff1_used~0_In2022848187, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In2022848187, ~x~0=~x~0_In2022848187} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18] because there is no mapped edge [2019-12-18 13:56:48,281 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [648] [648] L788-->L788-2: Formula: (let ((.cse0 (= 0 (mod ~x$w_buff0_used~0_In2060504555 256))) (.cse1 (= (mod ~x$r_buff0_thd0~0_In2060504555 256) 0))) (or (and (not .cse0) (not .cse1) (= |ULTIMATE.start_main_#t~ite19_Out2060504555| 0)) (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite19_Out2060504555| ~x$w_buff0_used~0_In2060504555)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In2060504555, ~x$w_buff0_used~0=~x$w_buff0_used~0_In2060504555} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In2060504555, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out2060504555|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In2060504555} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-18 13:56:48,282 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [643] [643] L789-->L789-2: Formula: (let ((.cse2 (= (mod ~x$w_buff1_used~0_In1440208089 256) 0)) (.cse3 (= 0 (mod ~x$r_buff1_thd0~0_In1440208089 256))) (.cse0 (= 0 (mod ~x$r_buff0_thd0~0_In1440208089 256))) (.cse1 (= (mod ~x$w_buff0_used~0_In1440208089 256) 0))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= |ULTIMATE.start_main_#t~ite20_Out1440208089| ~x$w_buff1_used~0_In1440208089)) (and (or (and (not .cse2) (not .cse3)) (and (not .cse0) (not .cse1))) (= |ULTIMATE.start_main_#t~ite20_Out1440208089| 0)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1440208089, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1440208089, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1440208089, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1440208089} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1440208089, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1440208089, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out1440208089|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1440208089, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1440208089} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-18 13:56:48,282 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [661] [661] L790-->L790-2: Formula: (let ((.cse0 (= (mod ~x$w_buff0_used~0_In938514119 256) 0)) (.cse1 (= (mod ~x$r_buff0_thd0~0_In938514119 256) 0))) (or (and (= 0 |ULTIMATE.start_main_#t~ite21_Out938514119|) (not .cse0) (not .cse1)) (and (or .cse0 .cse1) (= ~x$r_buff0_thd0~0_In938514119 |ULTIMATE.start_main_#t~ite21_Out938514119|)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In938514119, ~x$w_buff0_used~0=~x$w_buff0_used~0_In938514119} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In938514119, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out938514119|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In938514119} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-18 13:56:48,283 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [653] [653] L791-->L791-2: Formula: (let ((.cse1 (= 0 (mod ~x$r_buff0_thd0~0_In764962442 256))) (.cse0 (= 0 (mod ~x$w_buff0_used~0_In764962442 256))) (.cse2 (= 0 (mod ~x$w_buff1_used~0_In764962442 256))) (.cse3 (= 0 (mod ~x$r_buff1_thd0~0_In764962442 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |ULTIMATE.start_main_#t~ite22_Out764962442| 0)) (and (or .cse1 .cse0) (or .cse2 .cse3) (= |ULTIMATE.start_main_#t~ite22_Out764962442| ~x$r_buff1_thd0~0_In764962442)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In764962442, ~x$w_buff1_used~0=~x$w_buff1_used~0_In764962442, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In764962442, ~x$w_buff0_used~0=~x$w_buff0_used~0_In764962442} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In764962442, ~x$w_buff1_used~0=~x$w_buff1_used~0_In764962442, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In764962442, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out764962442|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In764962442} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-18 13:56:48,285 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [687] [687] L800-->L800-8: Formula: (let ((.cse0 (= 0 (mod ~weak$$choice2~0_In420065216 256)))) (or (and .cse0 (let ((.cse1 (= (mod ~x$r_buff0_thd0~0_In420065216 256) 0))) (or (= (mod ~x$w_buff0_used~0_In420065216 256) 0) (and (= 0 (mod ~x$w_buff1_used~0_In420065216 256)) .cse1) (and (= 0 (mod ~x$r_buff1_thd0~0_In420065216 256)) .cse1))) (= |ULTIMATE.start_main_#t~ite32_Out420065216| |ULTIMATE.start_main_#t~ite31_Out420065216|) (= |ULTIMATE.start_main_#t~ite31_Out420065216| ~x$w_buff1~0_In420065216)) (and (= |ULTIMATE.start_main_#t~ite32_Out420065216| ~x$w_buff1~0_In420065216) (= |ULTIMATE.start_main_#t~ite31_In420065216| |ULTIMATE.start_main_#t~ite31_Out420065216|) (not .cse0)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In420065216, ~x$w_buff1~0=~x$w_buff1~0_In420065216, ~x$w_buff1_used~0=~x$w_buff1_used~0_In420065216, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In420065216, ~weak$$choice2~0=~weak$$choice2~0_In420065216, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_In420065216|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In420065216} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In420065216, ~x$w_buff1~0=~x$w_buff1~0_In420065216, ~x$w_buff1_used~0=~x$w_buff1_used~0_In420065216, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_Out420065216|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In420065216, ~weak$$choice2~0=~weak$$choice2~0_In420065216, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_Out420065216|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In420065216} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite32] because there is no mapped edge [2019-12-18 13:56:48,287 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [628] [628] L803-->L804: Formula: (and (= v_~x$r_buff0_thd0~0_125 v_~x$r_buff0_thd0~0_124) (not (= (mod v_~weak$$choice2~0_35 256) 0))) InVars {~x$r_buff0_thd0~0=v_~x$r_buff0_thd0~0_125, ~weak$$choice2~0=v_~weak$$choice2~0_35} OutVars{~x$r_buff0_thd0~0=v_~x$r_buff0_thd0~0_124, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_8|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_10|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_19|, ~weak$$choice2~0=v_~weak$$choice2~0_35} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39] because there is no mapped edge [2019-12-18 13:56:48,288 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [682] [682] L806-->L809-1: Formula: (and (not (= (mod v_~x$flush_delayed~0_27 256) 0)) (= v_~x$mem_tmp~0_15 v_~x~0_118) (= v_~x$flush_delayed~0_26 0) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (mod v_~main$tmp_guard1~0_15 256))) InVars {~x$flush_delayed~0=v_~x$flush_delayed~0_27, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_15, ~x$mem_tmp~0=v_~x$mem_tmp~0_15} OutVars{~x$flush_delayed~0=v_~x$flush_delayed~0_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_15, ~x$mem_tmp~0=v_~x$mem_tmp~0_15, ~x~0=v_~x~0_118, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_21|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~x$flush_delayed~0, ~x~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-18 13:56:48,288 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [679] [679] L809-1-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_10, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-18 13:56:48,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:56:48 BasicIcfg [2019-12-18 13:56:48,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 13:56:48,363 INFO L168 Benchmark]: Toolchain (without parser) took 15046.45 ms. Allocated memory was 140.0 MB in the beginning and 427.3 MB in the end (delta: 287.3 MB). Free memory was 103.7 MB in the beginning and 323.1 MB in the end (delta: -219.4 MB). Peak memory consumption was 331.8 MB. Max. memory is 7.1 GB. [2019-12-18 13:56:48,364 INFO L168 Benchmark]: CDTParser took 0.49 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 13:56:48,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.73 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 103.2 MB in the beginning and 159.8 MB in the end (delta: -56.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-12-18 13:56:48,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.61 ms. Allocated memory is still 205.0 MB. Free memory was 159.8 MB in the beginning and 156.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-18 13:56:48,366 INFO L168 Benchmark]: Boogie Preprocessor took 36.93 ms. Allocated memory is still 205.0 MB. Free memory was 156.6 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 13:56:48,366 INFO L168 Benchmark]: RCFGBuilder took 830.19 ms. Allocated memory is still 205.0 MB. Free memory was 154.0 MB in the beginning and 110.3 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-12-18 13:56:48,367 INFO L168 Benchmark]: TraceAbstraction took 13368.51 ms. Allocated memory was 205.0 MB in the beginning and 427.3 MB in the end (delta: 222.3 MB). Free memory was 110.3 MB in the beginning and 323.1 MB in the end (delta: -212.8 MB). Peak memory consumption was 273.4 MB. Max. memory is 7.1 GB. [2019-12-18 13:56:48,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 742.73 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 103.2 MB in the beginning and 159.8 MB in the end (delta: -56.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.61 ms. Allocated memory is still 205.0 MB. Free memory was 159.8 MB in the beginning and 156.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.93 ms. Allocated memory is still 205.0 MB. Free memory was 156.6 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 830.19 ms. Allocated memory is still 205.0 MB. Free memory was 154.0 MB in the beginning and 110.3 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13368.51 ms. Allocated memory was 205.0 MB in the beginning and 427.3 MB in the end (delta: 222.3 MB). Free memory was 110.3 MB in the beginning and 323.1 MB in the end (delta: -212.8 MB). Peak memory consumption was 273.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.7s, 146 ProgramPointsBefore, 78 ProgramPointsAfterwards, 180 TransitionsBefore, 90 TransitionsAfterwards, 10378 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 36 ConcurrentYvCompositions, 25 ChoiceCompositions, 3816 VarBasedMoverChecksPositive, 194 VarBasedMoverChecksNegative, 52 SemBasedMoverChecksPositive, 191 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 0 MoverChecksTotal, 46078 CheckedPairsTotal, 100 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L779] FCALL, FORK 0 pthread_create(&t1455, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L781] FCALL, FORK 0 pthread_create(&t1456, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L748] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L749] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L750] 2 x$r_buff0_thd2 = (_Bool)1 [L753] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L756] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L722] 1 y = 1 [L725] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L728] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L728] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L729] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L730] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L756] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L757] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L731] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L758] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L787] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L787] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L788] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L789] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L790] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L791] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L794] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L795] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L796] 0 x$flush_delayed = weak$$choice2 [L797] 0 x$mem_tmp = x VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L798] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L798] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L799] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L799] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L800] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L801] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L801] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L802] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L802] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L804] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 2 error locations. Result: UNSAFE, OverallTime: 13.1s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1375 SDtfs, 1432 SDslu, 3542 SDs, 0 SdLazy, 2497 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 29 SyntacticMatches, 15 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8413occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 1115 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 631 NumberOfCodeBlocks, 631 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 563 ConstructedInterpolants, 0 QuantifiedInterpolants, 107142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...