/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe013_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:09:00,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:09:00,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:09:01,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:09:01,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:09:01,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:09:01,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:09:01,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:09:01,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:09:01,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:09:01,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:09:01,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:09:01,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:09:01,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:09:01,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:09:01,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:09:01,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:09:01,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:09:01,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:09:01,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:09:01,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:09:01,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:09:01,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:09:01,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:09:01,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:09:01,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:09:01,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:09:01,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:09:01,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:09:01,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:09:01,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:09:01,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:09:01,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:09:01,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:09:01,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:09:01,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:09:01,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:09:01,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:09:01,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:09:01,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:09:01,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:09:01,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:09:01,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:09:01,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:09:01,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:09:01,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:09:01,101 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:09:01,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:09:01,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:09:01,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:09:01,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:09:01,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:09:01,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:09:01,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:09:01,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:09:01,103 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:09:01,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:09:01,103 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:09:01,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:09:01,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:09:01,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:09:01,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:09:01,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:09:01,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:09:01,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:09:01,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:09:01,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:09:01,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:09:01,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:09:01,106 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:09:01,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:09:01,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:09:01,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:09:01,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:09:01,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:09:01,436 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:09:01,437 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_rmo.opt.i [2020-10-16 12:09:01,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8631bc835/718bb3cea721487e9a6bd597ac6d0889/FLAG9d558873d [2020-10-16 12:09:02,016 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:09:02,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe013_rmo.opt.i [2020-10-16 12:09:02,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8631bc835/718bb3cea721487e9a6bd597ac6d0889/FLAG9d558873d [2020-10-16 12:09:02,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8631bc835/718bb3cea721487e9a6bd597ac6d0889 [2020-10-16 12:09:02,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:09:02,302 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:09:02,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:09:02,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:09:02,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:09:02,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:09:02" (1/1) ... [2020-10-16 12:09:02,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa7b936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:02, skipping insertion in model container [2020-10-16 12:09:02,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:09:02" (1/1) ... [2020-10-16 12:09:02,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:09:02,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:09:02,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:09:02,960 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:09:03,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:09:03,099 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:09:03,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03 WrapperNode [2020-10-16 12:09:03,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:09:03,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:09:03,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:09:03,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:09:03,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:09:03,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:09:03,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:09:03,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:09:03,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... [2020-10-16 12:09:03,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:09:03,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:09:03,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:09:03,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:09:03,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:09:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:09:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:09:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:09:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:09:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:09:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:09:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:09:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:09:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:09:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:09:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:09:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:09:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:09:03,289 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:09:05,288 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:09:05,288 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:09:05,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:09:05 BoogieIcfgContainer [2020-10-16 12:09:05,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:09:05,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:09:05,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:09:05,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:09:05,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:09:02" (1/3) ... [2020-10-16 12:09:05,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c311930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:09:05, skipping insertion in model container [2020-10-16 12:09:05,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:03" (2/3) ... [2020-10-16 12:09:05,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c311930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:09:05, skipping insertion in model container [2020-10-16 12:09:05,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:09:05" (3/3) ... [2020-10-16 12:09:05,300 INFO L111 eAbstractionObserver]: Analyzing ICFG safe013_rmo.opt.i [2020-10-16 12:09:05,313 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:09:05,313 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:09:05,321 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:09:05,323 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:09:05,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,363 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,365 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,367 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,370 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,370 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,376 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,382 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,383 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:09:05,393 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:09:05,408 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:09:05,430 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:09:05,430 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:09:05,431 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:09:05,431 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:09:05,431 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:09:05,431 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:09:05,431 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:09:05,431 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:09:05,445 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:09:05,446 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 199 flow [2020-10-16 12:09:05,449 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 92 transitions, 199 flow [2020-10-16 12:09:05,451 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 199 flow [2020-10-16 12:09:05,497 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2020-10-16 12:09:05,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:09:05,503 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-16 12:09:05,506 INFO L117 LiptonReduction]: Number of co-enabled transitions 1544 [2020-10-16 12:09:05,855 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:09:07,835 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 12:09:07,947 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-16 12:09:08,124 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-16 12:09:08,229 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-16 12:09:08,236 INFO L132 LiptonReduction]: Checked pairs total: 4193 [2020-10-16 12:09:08,236 INFO L134 LiptonReduction]: Total number of compositions: 78 [2020-10-16 12:09:08,243 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 26 transitions, 67 flow [2020-10-16 12:09:08,284 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 658 states. [2020-10-16 12:09:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states. [2020-10-16 12:09:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:09:08,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:08,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:09:08,294 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:08,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:08,300 INFO L82 PathProgramCache]: Analyzing trace with hash 913711493, now seen corresponding path program 1 times [2020-10-16 12:09:08,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:08,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712713586] [2020-10-16 12:09:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:08,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712713586] [2020-10-16 12:09:08,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:08,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:09:08,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235912066] [2020-10-16 12:09:08,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:09:08,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:08,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:09:08,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:08,557 INFO L87 Difference]: Start difference. First operand 658 states. Second operand 3 states. [2020-10-16 12:09:08,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:08,646 INFO L93 Difference]: Finished difference Result 550 states and 1693 transitions. [2020-10-16 12:09:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:09:08,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:09:08,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:08,670 INFO L225 Difference]: With dead ends: 550 [2020-10-16 12:09:08,670 INFO L226 Difference]: Without dead ends: 450 [2020-10-16 12:09:08,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-10-16 12:09:08,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2020-10-16 12:09:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-16 12:09:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1358 transitions. [2020-10-16 12:09:08,758 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 1358 transitions. Word has length 5 [2020-10-16 12:09:08,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:08,759 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 1358 transitions. [2020-10-16 12:09:08,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:09:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1358 transitions. [2020-10-16 12:09:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:09:08,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:08,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:08,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:09:08,761 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:08,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:08,762 INFO L82 PathProgramCache]: Analyzing trace with hash -421820418, now seen corresponding path program 1 times [2020-10-16 12:09:08,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:08,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726011507] [2020-10-16 12:09:08,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:08,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726011507] [2020-10-16 12:09:08,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:08,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:09:08,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992353936] [2020-10-16 12:09:08,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:09:08,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:08,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:09:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:08,887 INFO L87 Difference]: Start difference. First operand 450 states and 1358 transitions. Second operand 3 states. [2020-10-16 12:09:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:08,899 INFO L93 Difference]: Finished difference Result 430 states and 1287 transitions. [2020-10-16 12:09:08,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:09:08,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:09:08,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:08,909 INFO L225 Difference]: With dead ends: 430 [2020-10-16 12:09:08,909 INFO L226 Difference]: Without dead ends: 430 [2020-10-16 12:09:08,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:08,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-16 12:09:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2020-10-16 12:09:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-16 12:09:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1287 transitions. [2020-10-16 12:09:08,961 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1287 transitions. Word has length 9 [2020-10-16 12:09:08,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:08,962 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 1287 transitions. [2020-10-16 12:09:08,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:09:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1287 transitions. [2020-10-16 12:09:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:09:08,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:08,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:08,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:09:08,965 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:08,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:08,966 INFO L82 PathProgramCache]: Analyzing trace with hash -191532040, now seen corresponding path program 1 times [2020-10-16 12:09:08,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:08,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735931390] [2020-10-16 12:09:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735931390] [2020-10-16 12:09:09,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:09:09,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678191453] [2020-10-16 12:09:09,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:09,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:09,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:09,057 INFO L87 Difference]: Start difference. First operand 430 states and 1287 transitions. Second operand 4 states. [2020-10-16 12:09:09,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:09,085 INFO L93 Difference]: Finished difference Result 542 states and 1583 transitions. [2020-10-16 12:09:09,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:09:09,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-16 12:09:09,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:09,088 INFO L225 Difference]: With dead ends: 542 [2020-10-16 12:09:09,088 INFO L226 Difference]: Without dead ends: 302 [2020-10-16 12:09:09,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:09:09,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-16 12:09:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2020-10-16 12:09:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-16 12:09:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 847 transitions. [2020-10-16 12:09:09,099 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 847 transitions. Word has length 10 [2020-10-16 12:09:09,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:09,099 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 847 transitions. [2020-10-16 12:09:09,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 847 transitions. [2020-10-16 12:09:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:09:09,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:09,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:09,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:09:09,102 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:09,102 INFO L82 PathProgramCache]: Analyzing trace with hash 621784461, now seen corresponding path program 1 times [2020-10-16 12:09:09,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:09,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647950189] [2020-10-16 12:09:09,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647950189] [2020-10-16 12:09:09,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:09:09,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253819832] [2020-10-16 12:09:09,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:09:09,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:09:09,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:09,142 INFO L87 Difference]: Start difference. First operand 302 states and 847 transitions. Second operand 3 states. [2020-10-16 12:09:09,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:09,150 INFO L93 Difference]: Finished difference Result 299 states and 836 transitions. [2020-10-16 12:09:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:09:09,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:09:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:09,153 INFO L225 Difference]: With dead ends: 299 [2020-10-16 12:09:09,153 INFO L226 Difference]: Without dead ends: 299 [2020-10-16 12:09:09,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-16 12:09:09,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2020-10-16 12:09:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-16 12:09:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 836 transitions. [2020-10-16 12:09:09,163 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 836 transitions. Word has length 12 [2020-10-16 12:09:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:09,163 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 836 transitions. [2020-10-16 12:09:09,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:09:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 836 transitions. [2020-10-16 12:09:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:09:09,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:09,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:09,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:09:09,166 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:09,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:09,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1298541099, now seen corresponding path program 1 times [2020-10-16 12:09:09,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:09,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797901839] [2020-10-16 12:09:09,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797901839] [2020-10-16 12:09:09,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:09:09,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423439403] [2020-10-16 12:09:09,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:09:09,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:09:09,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:09:09,269 INFO L87 Difference]: Start difference. First operand 299 states and 836 transitions. Second operand 4 states. [2020-10-16 12:09:09,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:09,311 INFO L93 Difference]: Finished difference Result 291 states and 721 transitions. [2020-10-16 12:09:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:09:09,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:09:09,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:09,316 INFO L225 Difference]: With dead ends: 291 [2020-10-16 12:09:09,316 INFO L226 Difference]: Without dead ends: 223 [2020-10-16 12:09:09,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:09:09,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-16 12:09:09,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-16 12:09:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-16 12:09:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 544 transitions. [2020-10-16 12:09:09,323 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 544 transitions. Word has length 13 [2020-10-16 12:09:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:09,324 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 544 transitions. [2020-10-16 12:09:09,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:09:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 544 transitions. [2020-10-16 12:09:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:09:09,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:09,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:09,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:09:09,326 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:09,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:09,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1613655544, now seen corresponding path program 1 times [2020-10-16 12:09:09,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:09,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913105166] [2020-10-16 12:09:09,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913105166] [2020-10-16 12:09:09,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:09:09,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264821578] [2020-10-16 12:09:09,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:09:09,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:09:09,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:09:09,416 INFO L87 Difference]: Start difference. First operand 223 states and 544 transitions. Second operand 5 states. [2020-10-16 12:09:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:09,465 INFO L93 Difference]: Finished difference Result 185 states and 411 transitions. [2020-10-16 12:09:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:09:09,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-16 12:09:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:09,467 INFO L225 Difference]: With dead ends: 185 [2020-10-16 12:09:09,468 INFO L226 Difference]: Without dead ends: 147 [2020-10-16 12:09:09,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:09:09,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-16 12:09:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-10-16 12:09:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-16 12:09:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 320 transitions. [2020-10-16 12:09:09,472 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 320 transitions. Word has length 15 [2020-10-16 12:09:09,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:09,473 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 320 transitions. [2020-10-16 12:09:09,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:09:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 320 transitions. [2020-10-16 12:09:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:09:09,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:09,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:09,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:09:09,474 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:09,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:09,475 INFO L82 PathProgramCache]: Analyzing trace with hash 2041535800, now seen corresponding path program 1 times [2020-10-16 12:09:09,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:09,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990165600] [2020-10-16 12:09:09,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990165600] [2020-10-16 12:09:09,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:09:09,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694763254] [2020-10-16 12:09:09,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:09:09,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:09:09,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:09:09,610 INFO L87 Difference]: Start difference. First operand 147 states and 320 transitions. Second operand 6 states. [2020-10-16 12:09:09,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:09,670 INFO L93 Difference]: Finished difference Result 131 states and 286 transitions. [2020-10-16 12:09:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:09:09,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-16 12:09:09,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:09,672 INFO L225 Difference]: With dead ends: 131 [2020-10-16 12:09:09,672 INFO L226 Difference]: Without dead ends: 121 [2020-10-16 12:09:09,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:09:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-16 12:09:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-10-16 12:09:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-16 12:09:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 268 transitions. [2020-10-16 12:09:09,677 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 268 transitions. Word has length 17 [2020-10-16 12:09:09,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:09,677 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 268 transitions. [2020-10-16 12:09:09,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:09:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 268 transitions. [2020-10-16 12:09:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:09:09,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:09,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:09,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:09:09,679 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:09,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:09,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1929467529, now seen corresponding path program 1 times [2020-10-16 12:09:09,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:09,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642612151] [2020-10-16 12:09:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642612151] [2020-10-16 12:09:09,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:09:09,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563947191] [2020-10-16 12:09:09,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:09:09,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:09:09,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:09,759 INFO L87 Difference]: Start difference. First operand 121 states and 268 transitions. Second operand 3 states. [2020-10-16 12:09:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:09,766 INFO L93 Difference]: Finished difference Result 150 states and 324 transitions. [2020-10-16 12:09:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:09:09,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-16 12:09:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:09,767 INFO L225 Difference]: With dead ends: 150 [2020-10-16 12:09:09,767 INFO L226 Difference]: Without dead ends: 61 [2020-10-16 12:09:09,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:09:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-16 12:09:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-10-16 12:09:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-16 12:09:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 112 transitions. [2020-10-16 12:09:09,770 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 112 transitions. Word has length 20 [2020-10-16 12:09:09,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:09,770 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 112 transitions. [2020-10-16 12:09:09,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:09:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2020-10-16 12:09:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:09:09,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:09,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:09,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:09:09,771 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:09,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:09,772 INFO L82 PathProgramCache]: Analyzing trace with hash -439366969, now seen corresponding path program 2 times [2020-10-16 12:09:09,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:09,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077569044] [2020-10-16 12:09:09,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:09:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:09:09,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077569044] [2020-10-16 12:09:09,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:09:09,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:09:09,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194364946] [2020-10-16 12:09:09,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:09:09,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:09:09,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:09:09,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:09:09,953 INFO L87 Difference]: Start difference. First operand 61 states and 112 transitions. Second operand 7 states. [2020-10-16 12:09:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:09:10,061 INFO L93 Difference]: Finished difference Result 75 states and 134 transitions. [2020-10-16 12:09:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:09:10,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-16 12:09:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:09:10,062 INFO L225 Difference]: With dead ends: 75 [2020-10-16 12:09:10,063 INFO L226 Difference]: Without dead ends: 41 [2020-10-16 12:09:10,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:09:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-16 12:09:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-16 12:09:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-16 12:09:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 64 transitions. [2020-10-16 12:09:10,066 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 64 transitions. Word has length 20 [2020-10-16 12:09:10,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:09:10,066 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 64 transitions. [2020-10-16 12:09:10,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:09:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-10-16 12:09:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:09:10,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:09:10,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:09:10,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:09:10,068 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:09:10,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:09:10,068 INFO L82 PathProgramCache]: Analyzing trace with hash -483881779, now seen corresponding path program 3 times [2020-10-16 12:09:10,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:09:10,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735584180] [2020-10-16 12:09:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:09:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:09:10,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:09:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:09:10,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:09:10,190 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:09:10,190 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:09:10,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:09:10,191 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:09:10,210 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [917] [917] L829-->L836: Formula: (let ((.cse6 (= 0 (mod ~x$r_buff1_thd0~0_In-1530269986 256))) (.cse7 (= (mod ~x$w_buff1_used~0_In-1530269986 256) 0)) (.cse8 (= (mod ~x$r_buff0_thd0~0_In-1530269986 256) 0)) (.cse9 (= (mod ~x$w_buff0_used~0_In-1530269986 256) 0))) (let ((.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse2 (or .cse8 .cse9)) (.cse3 (or .cse6 .cse7)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (or (and .cse0 (= ~x$w_buff0~0_In-1530269986 ~x~0_Out-1530269986) .cse1) (and .cse2 (or (and .cse3 (= ~x~0_In-1530269986 ~x~0_Out-1530269986)) (and .cse4 (= ~x$w_buff1~0_In-1530269986 ~x~0_Out-1530269986) .cse5)))) (or (and .cse0 (= ~x$w_buff0_used~0_Out-1530269986 0) .cse1) (and .cse2 (= ~x$w_buff0_used~0_In-1530269986 ~x$w_buff0_used~0_Out-1530269986))) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1530269986| ULTIMATE.start_assume_abort_if_not_~cond_Out-1530269986) (= ~x$r_buff0_thd0~0_Out-1530269986 ~x$r_buff0_thd0~0_In-1530269986) (= ~x$r_buff1_thd0~0_Out-1530269986 ~x$r_buff1_thd0~0_In-1530269986) (or (and (= ~x$w_buff1_used~0_In-1530269986 ~x$w_buff1_used~0_Out-1530269986) .cse3) (and .cse4 .cse5 (= ~x$w_buff1_used~0_Out-1530269986 0))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1530269986 0))))) InVars {~x$w_buff0~0=~x$w_buff0~0_In-1530269986, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1530269986, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1530269986|, ~x$w_buff1~0=~x$w_buff1~0_In-1530269986, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1530269986, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1530269986, ~x~0=~x~0_In-1530269986, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1530269986} OutVars{~x$w_buff0~0=~x$w_buff0~0_In-1530269986, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out-1530269986, ~x$w_buff1~0=~x$w_buff1~0_In-1530269986, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out-1530269986, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out-1530269986, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-1530269986|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-1530269986|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out-1530269986|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out-1530269986, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-1530269986|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1530269986|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-1530269986|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1530269986|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1530269986, ~x~0=~x~0_Out-1530269986} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~x$w_buff1_used~0, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ~x~0, ULTIMATE.start_main_#t~ite45, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2020-10-16 12:09:10,216 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,216 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,217 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,217 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,217 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,218 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,218 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,218 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,218 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,218 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,219 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,219 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,220 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,220 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,220 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,221 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,221 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,221 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,222 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,222 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,224 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,224 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,224 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,224 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,225 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,225 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,225 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,225 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,225 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,225 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,226 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:09:10,226 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:09:10,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:09:10 BasicIcfg [2020-10-16 12:09:10,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:09:10,303 INFO L168 Benchmark]: Toolchain (without parser) took 8002.27 ms. Allocated memory was 147.3 MB in the beginning and 331.9 MB in the end (delta: 184.5 MB). Free memory was 101.9 MB in the beginning and 203.9 MB in the end (delta: -101.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,304 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.67 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 101.7 MB in the beginning and 159.2 MB in the end (delta: -57.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.53 ms. Allocated memory is still 203.4 MB. Free memory was 159.2 MB in the beginning and 156.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,307 INFO L168 Benchmark]: Boogie Preprocessor took 45.89 ms. Allocated memory is still 203.4 MB. Free memory was 156.6 MB in the beginning and 153.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,308 INFO L168 Benchmark]: RCFGBuilder took 2068.53 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 153.9 MB in the beginning and 194.0 MB in the end (delta: -40.1 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,311 INFO L168 Benchmark]: TraceAbstraction took 5008.48 ms. Allocated memory was 246.9 MB in the beginning and 331.9 MB in the end (delta: 84.9 MB). Free memory was 192.2 MB in the beginning and 203.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:09:10,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.67 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 101.7 MB in the beginning and 159.2 MB in the end (delta: -57.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.53 ms. Allocated memory is still 203.4 MB. Free memory was 159.2 MB in the beginning and 156.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.89 ms. Allocated memory is still 203.4 MB. Free memory was 156.6 MB in the beginning and 153.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2068.53 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 153.9 MB in the beginning and 194.0 MB in the end (delta: -40.1 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5008.48 ms. Allocated memory was 246.9 MB in the beginning and 331.9 MB in the end (delta: 84.9 MB). Free memory was 192.2 MB in the beginning and 203.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 822 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 79 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 100 PlacesBefore, 35 PlacesAfterwards, 92 TransitionsBefore, 26 TransitionsAfterwards, 1544 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 4193 MoverChecksTotal - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p2_EAX = 0; [L704] 0 _Bool main$tmp_guard0; [L705] 0 _Bool main$tmp_guard1; [L707] 0 int x = 0; [L708] 0 _Bool x$flush_delayed; [L709] 0 int x$mem_tmp; [L710] 0 _Bool x$r_buff0_thd0; [L711] 0 _Bool x$r_buff0_thd1; [L712] 0 _Bool x$r_buff0_thd2; [L713] 0 _Bool x$r_buff0_thd3; [L714] 0 _Bool x$r_buff1_thd0; [L715] 0 _Bool x$r_buff1_thd1; [L716] 0 _Bool x$r_buff1_thd2; [L717] 0 _Bool x$r_buff1_thd3; [L718] 0 _Bool x$read_delayed; [L719] 0 int *x$read_delayed_var; [L720] 0 int x$w_buff0; [L721] 0 _Bool x$w_buff0_used; [L722] 0 int x$w_buff1; [L723] 0 _Bool x$w_buff1_used; [L725] 0 int y = 0; [L727] 0 int z = 0; [L728] 0 _Bool weak$$choice0; [L729] 0 _Bool weak$$choice2; [L820] 0 pthread_t t2088; [L821] FCALL, FORK 0 pthread_create(&t2088, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L822] 0 pthread_t t2089; [L823] FCALL, FORK 0 pthread_create(&t2089, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L824] 0 pthread_t t2090; [L825] FCALL, FORK 0 pthread_create(&t2090, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L763] 2 x$w_buff1 = x$w_buff0 [L764] 2 x$w_buff0 = 1 [L765] 2 x$w_buff1_used = x$w_buff0_used [L766] 2 x$w_buff0_used = (_Bool)1 [L8] COND FALSE 2 !(!expression) [L768] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L769] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L770] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L771] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L772] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L792] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L795] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L733] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L798] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L798] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L798] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L798] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L799] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L799] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L800] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L801] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L802] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L802] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L805] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 3 return 0; [L738] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L739] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L740] 1 x$flush_delayed = weak$$choice2 [L741] 1 x$mem_tmp = x [L742] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L742] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L742] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L743] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L743] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L744] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L744] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1 [L744] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L744] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L744] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L745] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L745] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L746] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L746] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L747] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L747] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L748] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L748] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L748] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L748] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L749] 1 __unbuffered_p0_EAX = x [L750] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L750] 1 x = x$flush_delayed ? x$mem_tmp : x [L751] 1 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L778] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L779] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L780] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L781] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 2 return 0; [L827] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L838] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1) [L8] COND TRUE 0 !expression [L8] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 91 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 197 SDtfs, 197 SDslu, 293 SDs, 0 SdLazy, 135 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=658occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 6118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...