/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/mix008_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:28:32,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:28:32,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:28:32,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:28:32,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:28:32,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:28:32,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:28:32,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:28:32,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:28:32,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:28:32,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:28:32,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:28:32,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:28:32,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:28:32,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:28:32,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:28:32,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:28:32,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:28:32,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:28:32,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:28:32,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:28:32,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:28:32,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:28:32,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:28:32,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:28:32,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:28:32,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:28:32,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:28:32,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:28:32,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:28:32,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:28:32,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:28:32,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:28:32,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:28:32,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:28:32,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:28:32,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:28:32,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:28:32,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:28:32,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:28:32,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:28:32,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:28:32,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:28:32,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:28:32,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:28:32,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:28:32,171 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:28:32,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:28:32,172 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:28:32,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:28:32,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:28:32,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:28:32,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:28:32,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:28:32,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:28:32,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:28:32,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:28:32,175 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:28:32,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:28:32,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:28:32,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:28:32,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:28:32,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:28:32,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:28:32,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:28:32,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:28:32,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:28:32,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:28:32,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:28:32,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:28:32,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:28:32,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:28:32,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:28:32,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:28:32,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:28:32,492 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:28:32,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_tso.opt.i [2020-10-05 23:28:32,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0176ca7/69db5b54a2ab4ecb998dc23a23c40208/FLAG1da72a6af [2020-10-05 23:28:33,126 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:28:33,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.opt.i [2020-10-05 23:28:33,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0176ca7/69db5b54a2ab4ecb998dc23a23c40208/FLAG1da72a6af [2020-10-05 23:28:33,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0176ca7/69db5b54a2ab4ecb998dc23a23c40208 [2020-10-05 23:28:33,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:28:33,417 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:28:33,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:28:33,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:28:33,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:28:33,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:28:33" (1/1) ... [2020-10-05 23:28:33,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e34c8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:33, skipping insertion in model container [2020-10-05 23:28:33,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:28:33" (1/1) ... [2020-10-05 23:28:33,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:28:33,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:28:34,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:28:34,039 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:28:34,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:28:34,177 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:28:34,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34 WrapperNode [2020-10-05 23:28:34,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:28:34,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:28:34,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:28:34,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:28:34,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:28:34,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:28:34,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:28:34,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:28:34,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... [2020-10-05 23:28:34,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:28:34,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:28:34,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:28:34,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:28:34,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:28:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:28:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:28:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:28:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:28:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:28:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:28:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:28:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:28:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:28:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:28:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:28:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:28:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:28:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:28:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:28:34,384 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:28:36,751 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:28:36,751 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:28:36,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:28:36 BoogieIcfgContainer [2020-10-05 23:28:36,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:28:36,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:28:36,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:28:36,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:28:36,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:28:33" (1/3) ... [2020-10-05 23:28:36,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21aa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:28:36, skipping insertion in model container [2020-10-05 23:28:36,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:34" (2/3) ... [2020-10-05 23:28:36,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21aa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:28:36, skipping insertion in model container [2020-10-05 23:28:36,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:28:36" (3/3) ... [2020-10-05 23:28:36,765 INFO L109 eAbstractionObserver]: Analyzing ICFG mix008_tso.opt.i [2020-10-05 23:28:36,779 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:28:36,780 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:28:36,789 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:28:36,790 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:28:36,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,835 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,835 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,837 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,837 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,852 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,853 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,853 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,853 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,921 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,928 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,936 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,940 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,940 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,940 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,942 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,942 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,942 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,942 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,947 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,948 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:36,970 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:28:36,999 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:28:36,999 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:28:36,999 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:28:37,000 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:28:37,000 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:28:37,000 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:28:37,000 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:28:37,000 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:28:37,020 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-05 23:28:37,022 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 242 flow [2020-10-05 23:28:37,076 INFO L129 PetriNetUnfolder]: 2/107 cut-off events. [2020-10-05 23:28:37,076 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:28:37,082 INFO L80 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-05 23:28:37,086 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 242 flow [2020-10-05 23:28:37,110 INFO L129 PetriNetUnfolder]: 2/107 cut-off events. [2020-10-05 23:28:37,110 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:28:37,111 INFO L80 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-05 23:28:37,114 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2446 [2020-10-05 23:28:37,115 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:28:37,523 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:28:38,141 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-05 23:28:39,660 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-05 23:28:39,781 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-05 23:28:39,805 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6474 [2020-10-05 23:28:39,805 INFO L214 etLargeBlockEncoding]: Total number of compositions: 88 [2020-10-05 23:28:39,809 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2020-10-05 23:28:40,071 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4122 states. [2020-10-05 23:28:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4122 states. [2020-10-05 23:28:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:28:40,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:40,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:40,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:40,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:40,090 INFO L82 PathProgramCache]: Analyzing trace with hash 2072379486, now seen corresponding path program 1 times [2020-10-05 23:28:40,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:40,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341081151] [2020-10-05 23:28:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:40,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341081151] [2020-10-05 23:28:40,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:40,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:28:40,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082119132] [2020-10-05 23:28:40,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:28:40,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:28:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:28:40,385 INFO L87 Difference]: Start difference. First operand 4122 states. Second operand 3 states. [2020-10-05 23:28:40,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:40,520 INFO L93 Difference]: Finished difference Result 3562 states and 14032 transitions. [2020-10-05 23:28:40,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:28:40,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:28:40,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:40,590 INFO L225 Difference]: With dead ends: 3562 [2020-10-05 23:28:40,590 INFO L226 Difference]: Without dead ends: 2602 [2020-10-05 23:28:40,591 INFO L675 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 [2020-10-05 23:28:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2020-10-05 23:28:40,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2602. [2020-10-05 23:28:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2020-10-05 23:28:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 10064 transitions. [2020-10-05 23:28:40,891 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 10064 transitions. Word has length 9 [2020-10-05 23:28:40,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:40,893 INFO L479 AbstractCegarLoop]: Abstraction has 2602 states and 10064 transitions. [2020-10-05 23:28:40,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:28:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 10064 transitions. [2020-10-05 23:28:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:28:40,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:40,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:40,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:28:40,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:40,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:40,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1895185184, now seen corresponding path program 1 times [2020-10-05 23:28:40,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:40,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567384989] [2020-10-05 23:28:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:41,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567384989] [2020-10-05 23:28:41,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:41,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:28:41,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102921755] [2020-10-05 23:28:41,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:41,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:41,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:41,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:41,086 INFO L87 Difference]: Start difference. First operand 2602 states and 10064 transitions. Second operand 4 states. [2020-10-05 23:28:41,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:41,154 INFO L93 Difference]: Finished difference Result 2986 states and 11176 transitions. [2020-10-05 23:28:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:41,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:28:41,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:41,175 INFO L225 Difference]: With dead ends: 2986 [2020-10-05 23:28:41,175 INFO L226 Difference]: Without dead ends: 2506 [2020-10-05 23:28:41,176 INFO L675 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 [2020-10-05 23:28:41,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-10-05 23:28:41,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2506. [2020-10-05 23:28:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2020-10-05 23:28:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 9624 transitions. [2020-10-05 23:28:41,297 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 9624 transitions. Word has length 12 [2020-10-05 23:28:41,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:41,298 INFO L479 AbstractCegarLoop]: Abstraction has 2506 states and 9624 transitions. [2020-10-05 23:28:41,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 9624 transitions. [2020-10-05 23:28:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:28:41,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:41,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:41,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:28:41,301 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:41,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:41,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1224764778, now seen corresponding path program 1 times [2020-10-05 23:28:41,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:41,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523193175] [2020-10-05 23:28:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:41,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523193175] [2020-10-05 23:28:41,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:41,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:28:41,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187880823] [2020-10-05 23:28:41,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:41,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:41,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:41,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:41,376 INFO L87 Difference]: Start difference. First operand 2506 states and 9624 transitions. Second operand 4 states. [2020-10-05 23:28:41,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:41,443 INFO L93 Difference]: Finished difference Result 2650 states and 9876 transitions. [2020-10-05 23:28:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:41,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:28:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:41,462 INFO L225 Difference]: With dead ends: 2650 [2020-10-05 23:28:41,462 INFO L226 Difference]: Without dead ends: 2218 [2020-10-05 23:28:41,463 INFO L675 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 [2020-10-05 23:28:41,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-10-05 23:28:41,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2218. [2020-10-05 23:28:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2218 states. [2020-10-05 23:28:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 8400 transitions. [2020-10-05 23:28:41,616 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 8400 transitions. Word has length 13 [2020-10-05 23:28:41,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:41,617 INFO L479 AbstractCegarLoop]: Abstraction has 2218 states and 8400 transitions. [2020-10-05 23:28:41,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 8400 transitions. [2020-10-05 23:28:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:28:41,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:41,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:41,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:28:41,620 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:41,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:41,621 INFO L82 PathProgramCache]: Analyzing trace with hash 178668765, now seen corresponding path program 1 times [2020-10-05 23:28:41,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:41,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727878564] [2020-10-05 23:28:41,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:41,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727878564] [2020-10-05 23:28:41,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:41,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:28:41,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339249066] [2020-10-05 23:28:41,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:41,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:41,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:41,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:41,810 INFO L87 Difference]: Start difference. First operand 2218 states and 8400 transitions. Second operand 4 states. [2020-10-05 23:28:41,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:41,862 INFO L93 Difference]: Finished difference Result 2314 states and 8560 transitions. [2020-10-05 23:28:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:41,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-05 23:28:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:41,878 INFO L225 Difference]: With dead ends: 2314 [2020-10-05 23:28:41,878 INFO L226 Difference]: Without dead ends: 2026 [2020-10-05 23:28:41,879 INFO L675 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 [2020-10-05 23:28:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2020-10-05 23:28:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2020-10-05 23:28:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-10-05 23:28:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 7600 transitions. [2020-10-05 23:28:41,960 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 7600 transitions. Word has length 15 [2020-10-05 23:28:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:41,960 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 7600 transitions. [2020-10-05 23:28:41,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:41,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 7600 transitions. [2020-10-05 23:28:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:28:41,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:41,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:41,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:28:41,965 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:41,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:41,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1439319015, now seen corresponding path program 1 times [2020-10-05 23:28:41,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:41,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966113393] [2020-10-05 23:28:41,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:42,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966113393] [2020-10-05 23:28:42,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:42,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:28:42,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412869218] [2020-10-05 23:28:42,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:42,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:42,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:42,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:42,130 INFO L87 Difference]: Start difference. First operand 2026 states and 7600 transitions. Second operand 4 states. [2020-10-05 23:28:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:42,180 INFO L93 Difference]: Finished difference Result 2170 states and 7972 transitions. [2020-10-05 23:28:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:42,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 23:28:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:42,197 INFO L225 Difference]: With dead ends: 2170 [2020-10-05 23:28:42,197 INFO L226 Difference]: Without dead ends: 1978 [2020-10-05 23:28:42,198 INFO L675 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 [2020-10-05 23:28:42,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-10-05 23:28:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-10-05 23:28:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-10-05 23:28:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 7388 transitions. [2020-10-05 23:28:42,266 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 7388 transitions. Word has length 16 [2020-10-05 23:28:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:42,266 INFO L479 AbstractCegarLoop]: Abstraction has 1978 states and 7388 transitions. [2020-10-05 23:28:42,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 7388 transitions. [2020-10-05 23:28:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:28:42,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:42,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:42,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:28:42,271 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:42,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:42,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1670121764, now seen corresponding path program 1 times [2020-10-05 23:28:42,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:42,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331195043] [2020-10-05 23:28:42,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:42,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331195043] [2020-10-05 23:28:42,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:42,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:28:42,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22735303] [2020-10-05 23:28:42,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:42,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:42,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:42,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:42,384 INFO L87 Difference]: Start difference. First operand 1978 states and 7388 transitions. Second operand 4 states. [2020-10-05 23:28:42,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:42,448 INFO L93 Difference]: Finished difference Result 2014 states and 6852 transitions. [2020-10-05 23:28:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:42,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-05 23:28:42,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:42,476 INFO L225 Difference]: With dead ends: 2014 [2020-10-05 23:28:42,476 INFO L226 Difference]: Without dead ends: 1534 [2020-10-05 23:28:42,477 INFO L675 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 [2020-10-05 23:28:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-10-05 23:28:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2020-10-05 23:28:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1534 states. [2020-10-05 23:28:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 5168 transitions. [2020-10-05 23:28:42,542 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 5168 transitions. Word has length 17 [2020-10-05 23:28:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:42,543 INFO L479 AbstractCegarLoop]: Abstraction has 1534 states and 5168 transitions. [2020-10-05 23:28:42,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 5168 transitions. [2020-10-05 23:28:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:28:42,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:42,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:42,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:28:42,549 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:42,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:42,550 INFO L82 PathProgramCache]: Analyzing trace with hash -912675214, now seen corresponding path program 1 times [2020-10-05 23:28:42,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:42,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532198947] [2020-10-05 23:28:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:42,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532198947] [2020-10-05 23:28:42,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:42,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:28:42,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524392102] [2020-10-05 23:28:42,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:28:42,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:42,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:28:42,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:42,712 INFO L87 Difference]: Start difference. First operand 1534 states and 5168 transitions. Second operand 5 states. [2020-10-05 23:28:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:42,829 INFO L93 Difference]: Finished difference Result 1290 states and 3977 transitions. [2020-10-05 23:28:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:28:42,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-05 23:28:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:42,834 INFO L225 Difference]: With dead ends: 1290 [2020-10-05 23:28:42,834 INFO L226 Difference]: Without dead ends: 990 [2020-10-05 23:28:42,834 INFO L675 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 [2020-10-05 23:28:42,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-05 23:28:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2020-10-05 23:28:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-10-05 23:28:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 2992 transitions. [2020-10-05 23:28:42,863 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 2992 transitions. Word has length 19 [2020-10-05 23:28:42,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:42,863 INFO L479 AbstractCegarLoop]: Abstraction has 990 states and 2992 transitions. [2020-10-05 23:28:42,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:28:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 2992 transitions. [2020-10-05 23:28:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 23:28:42,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:42,866 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, 1] [2020-10-05 23:28:42,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:28:42,867 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:42,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:42,867 INFO L82 PathProgramCache]: Analyzing trace with hash 790376830, now seen corresponding path program 1 times [2020-10-05 23:28:42,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:42,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546077951] [2020-10-05 23:28:42,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:42,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546077951] [2020-10-05 23:28:42,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:42,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:28:42,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379901523] [2020-10-05 23:28:42,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:42,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:42,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:42,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:42,990 INFO L87 Difference]: Start difference. First operand 990 states and 2992 transitions. Second operand 4 states. [2020-10-05 23:28:43,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:43,032 INFO L93 Difference]: Finished difference Result 1447 states and 4252 transitions. [2020-10-05 23:28:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:28:43,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-05 23:28:43,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:43,037 INFO L225 Difference]: With dead ends: 1447 [2020-10-05 23:28:43,037 INFO L226 Difference]: Without dead ends: 1026 [2020-10-05 23:28:43,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-10-05 23:28:43,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 990. [2020-10-05 23:28:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-10-05 23:28:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 2840 transitions. [2020-10-05 23:28:43,069 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 2840 transitions. Word has length 21 [2020-10-05 23:28:43,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:43,070 INFO L479 AbstractCegarLoop]: Abstraction has 990 states and 2840 transitions. [2020-10-05 23:28:43,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 2840 transitions. [2020-10-05 23:28:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 23:28:43,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:43,073 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, 1] [2020-10-05 23:28:43,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:28:43,073 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:43,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:43,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2136153755, now seen corresponding path program 1 times [2020-10-05 23:28:43,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:43,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987284324] [2020-10-05 23:28:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:43,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987284324] [2020-10-05 23:28:43,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:43,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:28:43,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377905645] [2020-10-05 23:28:43,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:43,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:43,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:43,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:43,166 INFO L87 Difference]: Start difference. First operand 990 states and 2840 transitions. Second operand 4 states. [2020-10-05 23:28:43,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:43,196 INFO L93 Difference]: Finished difference Result 1444 states and 3966 transitions. [2020-10-05 23:28:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:43,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-05 23:28:43,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:43,200 INFO L225 Difference]: With dead ends: 1444 [2020-10-05 23:28:43,200 INFO L226 Difference]: Without dead ends: 1008 [2020-10-05 23:28:43,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:43,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-10-05 23:28:43,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 976. [2020-10-05 23:28:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-05 23:28:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 2650 transitions. [2020-10-05 23:28:43,226 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 2650 transitions. Word has length 21 [2020-10-05 23:28:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:43,226 INFO L479 AbstractCegarLoop]: Abstraction has 976 states and 2650 transitions. [2020-10-05 23:28:43,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 2650 transitions. [2020-10-05 23:28:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 23:28:43,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:43,229 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, 1] [2020-10-05 23:28:43,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:28:43,229 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:43,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:43,230 INFO L82 PathProgramCache]: Analyzing trace with hash -2113725836, now seen corresponding path program 2 times [2020-10-05 23:28:43,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:43,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496431660] [2020-10-05 23:28:43,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:43,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496431660] [2020-10-05 23:28:43,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:43,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:28:43,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650850351] [2020-10-05 23:28:43,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:28:43,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:43,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:28:43,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:28:43,335 INFO L87 Difference]: Start difference. First operand 976 states and 2650 transitions. Second operand 6 states. [2020-10-05 23:28:43,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:43,393 INFO L93 Difference]: Finished difference Result 835 states and 2214 transitions. [2020-10-05 23:28:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:28:43,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-05 23:28:43,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:43,396 INFO L225 Difference]: With dead ends: 835 [2020-10-05 23:28:43,397 INFO L226 Difference]: Without dead ends: 672 [2020-10-05 23:28:43,397 INFO L675 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 [2020-10-05 23:28:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-10-05 23:28:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2020-10-05 23:28:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-05 23:28:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1758 transitions. [2020-10-05 23:28:43,413 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1758 transitions. Word has length 21 [2020-10-05 23:28:43,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:43,414 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 1758 transitions. [2020-10-05 23:28:43,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:28:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1758 transitions. [2020-10-05 23:28:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:28:43,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:43,416 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, 1, 1, 1, 1] [2020-10-05 23:28:43,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:28:43,416 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:43,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:43,417 INFO L82 PathProgramCache]: Analyzing trace with hash -270875968, now seen corresponding path program 1 times [2020-10-05 23:28:43,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:43,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333686817] [2020-10-05 23:28:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:43,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333686817] [2020-10-05 23:28:43,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:43,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:28:43,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936948660] [2020-10-05 23:28:43,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:28:43,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:43,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:28:43,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:28:43,585 INFO L87 Difference]: Start difference. First operand 672 states and 1758 transitions. Second operand 7 states. [2020-10-05 23:28:43,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:43,655 INFO L93 Difference]: Finished difference Result 638 states and 1690 transitions. [2020-10-05 23:28:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:28:43,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-05 23:28:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:43,657 INFO L225 Difference]: With dead ends: 638 [2020-10-05 23:28:43,657 INFO L226 Difference]: Without dead ends: 242 [2020-10-05 23:28:43,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:28:43,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-05 23:28:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-05 23:28:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-05 23:28:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 598 transitions. [2020-10-05 23:28:43,669 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 598 transitions. Word has length 24 [2020-10-05 23:28:43,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:43,670 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 598 transitions. [2020-10-05 23:28:43,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:28:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 598 transitions. [2020-10-05 23:28:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-05 23:28:43,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:43,672 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:43,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:28:43,673 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1099302776, now seen corresponding path program 1 times [2020-10-05 23:28:43,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:43,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485943802] [2020-10-05 23:28:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:43,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485943802] [2020-10-05 23:28:43,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:43,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:28:43,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627107525] [2020-10-05 23:28:43,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:28:43,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:43,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:28:43,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:43,794 INFO L87 Difference]: Start difference. First operand 242 states and 598 transitions. Second operand 5 states. [2020-10-05 23:28:43,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:43,830 INFO L93 Difference]: Finished difference Result 320 states and 780 transitions. [2020-10-05 23:28:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:43,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-05 23:28:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:43,831 INFO L225 Difference]: With dead ends: 320 [2020-10-05 23:28:43,831 INFO L226 Difference]: Without dead ends: 93 [2020-10-05 23:28:43,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:28:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-05 23:28:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-05 23:28:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-05 23:28:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 199 transitions. [2020-10-05 23:28:43,835 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 199 transitions. Word has length 27 [2020-10-05 23:28:43,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:43,836 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 199 transitions. [2020-10-05 23:28:43,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:28:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 199 transitions. [2020-10-05 23:28:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-05 23:28:43,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:43,838 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:43,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:28:43,839 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:43,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1979510162, now seen corresponding path program 2 times [2020-10-05 23:28:43,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:43,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964538686] [2020-10-05 23:28:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:44,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964538686] [2020-10-05 23:28:44,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:44,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:28:44,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948945133] [2020-10-05 23:28:44,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:28:44,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:44,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:28:44,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:28:44,214 INFO L87 Difference]: Start difference. First operand 93 states and 199 transitions. Second operand 8 states. [2020-10-05 23:28:44,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:44,452 INFO L93 Difference]: Finished difference Result 112 states and 234 transitions. [2020-10-05 23:28:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-05 23:28:44,453 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-05 23:28:44,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:44,453 INFO L225 Difference]: With dead ends: 112 [2020-10-05 23:28:44,454 INFO L226 Difference]: Without dead ends: 57 [2020-10-05 23:28:44,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-05 23:28:44,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-05 23:28:44,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-05 23:28:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-05 23:28:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2020-10-05 23:28:44,456 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 99 transitions. Word has length 27 [2020-10-05 23:28:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:44,457 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 99 transitions. [2020-10-05 23:28:44,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:28:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2020-10-05 23:28:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-05 23:28:44,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:44,458 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:44,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:28:44,458 INFO L427 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:44,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:44,458 INFO L82 PathProgramCache]: Analyzing trace with hash 974126482, now seen corresponding path program 3 times [2020-10-05 23:28:44,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:44,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668679572] [2020-10-05 23:28:44,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:28:44,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:28:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:28:44,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:28:44,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:28:44,586 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:28:44,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-05 23:28:44,628 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,629 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,629 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,630 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,630 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,630 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,630 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,630 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,630 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,631 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,631 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,631 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,631 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,631 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,632 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,632 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,632 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,632 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,632 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,632 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,633 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,633 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,633 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,633 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,633 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,633 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,635 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,635 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,635 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,635 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,636 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,636 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,636 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,636 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,636 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,637 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,637 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,637 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,637 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,637 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,637 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,638 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,638 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,638 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,638 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,638 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,638 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,639 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,639 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,639 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,639 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,639 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,639 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,640 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,640 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,640 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,640 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,640 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,640 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,641 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,642 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,642 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,642 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,643 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,643 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,643 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,643 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:44,643 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:44,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:28:44 BasicIcfg [2020-10-05 23:28:44,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:28:44,751 INFO L168 Benchmark]: Toolchain (without parser) took 11333.14 ms. Allocated memory was 140.5 MB in the beginning and 400.0 MB in the end (delta: 259.5 MB). Free memory was 101.3 MB in the beginning and 260.6 MB in the end (delta: -159.4 MB). Peak memory consumption was 100.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,752 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.95 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.3 MB in the beginning and 156.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.12 ms. Allocated memory is still 204.5 MB. Free memory was 156.8 MB in the beginning and 153.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,756 INFO L168 Benchmark]: Boogie Preprocessor took 50.04 ms. Allocated memory is still 204.5 MB. Free memory was 153.0 MB in the beginning and 150.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,757 INFO L168 Benchmark]: RCFGBuilder took 2458.81 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 150.1 MB in the beginning and 109.1 MB in the end (delta: 41.0 MB). Peak memory consumption was 97.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,757 INFO L168 Benchmark]: TraceAbstraction took 7993.07 ms. Allocated memory was 245.9 MB in the beginning and 400.0 MB in the end (delta: 154.1 MB). Free memory was 109.1 MB in the beginning and 260.6 MB in the end (delta: -151.5 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:44,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.95 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.3 MB in the beginning and 156.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.12 ms. Allocated memory is still 204.5 MB. Free memory was 156.8 MB in the beginning and 153.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.04 ms. Allocated memory is still 204.5 MB. Free memory was 153.0 MB in the beginning and 150.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2458.81 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 150.1 MB in the beginning and 109.1 MB in the end (delta: 41.0 MB). Peak memory consumption was 97.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7993.07 ms. Allocated memory was 245.9 MB in the beginning and 400.0 MB in the end (delta: 154.1 MB). Free memory was 109.1 MB in the beginning and 260.6 MB in the end (delta: -151.5 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.7s, 122 ProgramPointsBefore, 47 ProgramPointsAfterwards, 111 TransitionsBefore, 35 TransitionsAfterwards, 2446 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 1230 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6474 CheckedPairsTotal, 88 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: 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_p2_EAX = 0; [L703] 0 int __unbuffered_p2_EBX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff0_thd4; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$r_buff1_thd4; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L856] 0 pthread_t t237; [L857] FCALL, FORK 0 pthread_create(&t237, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t238; [L859] FCALL, FORK 0 pthread_create(&t238, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t239; [L861] FCALL, FORK 0 pthread_create(&t239, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t240; [L863] FCALL, FORK 0 pthread_create(&t240, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 1 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L7] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L816] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L817] 4 z$flush_delayed = weak$$choice2 [L818] 4 z$mem_tmp = z [L819] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L819] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L819] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L819] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L820] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L820] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0) [L820] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L820] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L821] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L821] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L822] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used) [L822] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L822] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L823] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L823] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L824] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L824] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L824] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L825] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L825] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L826] 4 __unbuffered_p3_EAX = z [L827] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L827] 4 z = z$flush_delayed ? z$mem_tmp : z [L828] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L756] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L778] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L779] 3 z$flush_delayed = weak$$choice2 [L780] 3 z$mem_tmp = z [L781] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L781] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L782] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L782] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L783] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L783] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L784] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L784] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L784] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L784] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L785] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L785] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L786] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L786] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L787] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L787] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L788] 3 __unbuffered_p2_EBX = z [L789] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L789] 3 z = z$flush_delayed ? z$mem_tmp : z [L790] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L834] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L835] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L836] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L837] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L837] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 4 return 0; [L764] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 2 return 0; [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L870] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L871] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L872] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L872] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L873] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L873] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 110 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.5s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 497 SDtfs, 516 SDslu, 940 SDs, 0 SdLazy, 260 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4122occurred 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: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 68 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 20827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...