/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix007_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 15:42:58,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 15:42:58,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 15:42:58,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 15:42:58,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 15:42:58,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 15:42:58,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 15:42:58,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 15:42:58,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 15:42:58,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 15:42:58,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 15:42:58,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 15:42:58,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 15:42:58,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 15:42:58,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 15:42:58,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 15:42:58,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 15:42:58,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 15:42:58,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 15:42:58,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 15:42:58,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 15:42:58,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 15:42:58,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 15:42:58,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 15:42:58,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 15:42:58,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 15:42:58,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 15:42:58,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 15:42:58,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 15:42:58,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 15:42:58,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 15:42:58,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 15:42:58,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 15:42:58,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 15:42:58,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 15:42:58,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 15:42:58,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 15:42:58,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 15:42:58,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 15:42:58,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 15:42:58,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 15:42:58,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 15:42:58,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 15:42:58,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 15:42:58,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 15:42:58,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 15:42:58,243 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 15:42:58,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 15:42:58,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 15:42:58,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 15:42:58,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 15:42:58,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 15:42:58,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 15:42:58,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 15:42:58,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 15:42:58,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 15:42:58,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 15:42:58,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 15:42:58,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 15:42:58,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 15:42:58,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 15:42:58,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 15:42:58,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 15:42:58,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 15:42:58,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 15:42:58,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 15:42:58,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 15:42:58,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 15:42:58,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 15:42:58,248 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 15:42:58,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 15:42:58,248 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 15:42:58,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 15:42:58,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 15:42:58,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 15:42:58,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 15:42:58,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 15:42:58,569 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 15:42:58,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix007_rmo.opt.i [2019-12-27 15:42:58,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8daef0e/e3783ffefc4f4c9aaef6b5fa2e6aad78/FLAGe86032343 [2019-12-27 15:42:59,237 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 15:42:59,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix007_rmo.opt.i [2019-12-27 15:42:59,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8daef0e/e3783ffefc4f4c9aaef6b5fa2e6aad78/FLAGe86032343 [2019-12-27 15:42:59,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8daef0e/e3783ffefc4f4c9aaef6b5fa2e6aad78 [2019-12-27 15:42:59,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 15:42:59,544 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 15:42:59,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 15:42:59,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 15:42:59,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 15:42:59,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:42:59" (1/1) ... [2019-12-27 15:42:59,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709f974e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:59, skipping insertion in model container [2019-12-27 15:42:59,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:42:59" (1/1) ... [2019-12-27 15:42:59,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 15:42:59,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 15:43:00,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 15:43:00,231 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 15:43:00,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 15:43:00,393 INFO L208 MainTranslator]: Completed translation [2019-12-27 15:43:00,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00 WrapperNode [2019-12-27 15:43:00,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 15:43:00,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 15:43:00,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 15:43:00,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 15:43:00,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 15:43:00,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 15:43:00,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 15:43:00,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 15:43:00,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... [2019-12-27 15:43:00,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 15:43:00,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 15:43:00,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 15:43:00,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 15:43:00,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 15:43:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 15:43:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 15:43:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 15:43:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 15:43:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 15:43:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 15:43:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 15:43:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 15:43:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 15:43:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 15:43:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 15:43:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 15:43:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 15:43:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 15:43:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 15:43:00,578 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 15:43:01,380 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 15:43:01,380 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 15:43:01,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:43:01 BoogieIcfgContainer [2019-12-27 15:43:01,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 15:43:01,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 15:43:01,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 15:43:01,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 15:43:01,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 03:42:59" (1/3) ... [2019-12-27 15:43:01,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba904fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:43:01, skipping insertion in model container [2019-12-27 15:43:01,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:43:00" (2/3) ... [2019-12-27 15:43:01,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba904fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:43:01, skipping insertion in model container [2019-12-27 15:43:01,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:43:01" (3/3) ... [2019-12-27 15:43:01,390 INFO L109 eAbstractionObserver]: Analyzing ICFG mix007_rmo.opt.i [2019-12-27 15:43:01,400 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 15:43:01,400 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 15:43:01,408 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 15:43:01,409 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 15:43:01,456 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,457 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,457 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,457 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,459 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,460 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,460 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,460 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,460 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,461 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,463 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,464 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,464 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,464 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,464 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,464 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,465 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,465 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,465 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,466 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,466 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,467 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,467 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,467 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,467 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,468 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,468 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,469 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,469 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,469 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,469 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,470 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,470 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,470 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,471 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,471 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,472 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,472 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,472 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,472 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,472 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,473 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,473 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,473 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,473 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,476 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,476 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,476 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,476 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,476 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,477 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,477 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,477 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,478 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,478 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,478 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,478 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,478 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,479 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,479 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,479 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,479 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,479 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,480 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,483 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,486 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,486 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,487 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,490 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,491 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,491 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,491 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,499 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,501 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,501 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,501 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,501 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,501 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,501 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,502 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,502 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,502 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,502 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,503 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,503 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,503 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,503 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,503 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,504 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,504 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,504 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,506 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,506 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,506 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,506 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,507 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,507 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,507 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,507 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,507 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,508 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,508 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,508 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,508 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,508 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,509 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,509 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,509 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,509 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,509 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,510 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,510 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,510 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,510 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,510 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,511 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,511 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,511 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,511 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,511 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,511 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,512 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,512 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,512 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,512 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,512 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,513 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,513 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,513 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,513 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,513 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,514 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,514 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,514 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,514 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,514 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,515 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,515 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,515 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,516 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,516 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,516 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,516 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,516 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,516 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,517 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,517 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,517 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,517 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,518 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,518 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,518 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,518 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,518 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,518 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,519 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,519 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,519 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,519 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,519 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,520 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,520 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,520 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,520 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,520 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,520 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,521 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,521 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,521 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,522 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,522 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,523 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,523 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,523 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,523 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,523 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,524 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,524 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,524 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,524 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,524 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,524 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,525 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,525 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,525 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,526 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,530 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,530 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,530 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,531 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,531 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,531 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,532 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,536 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,536 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,540 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,540 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,543 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,550 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,551 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,551 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,551 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,551 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,551 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,551 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,552 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,552 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,552 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,552 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,552 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,553 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,553 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,553 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,553 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,555 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,556 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,557 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,558 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,558 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,558 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,558 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,558 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,558 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,559 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,560 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,560 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,560 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,560 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,560 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,560 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,561 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,561 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,561 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,563 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,563 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,564 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,564 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:43:01,579 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 15:43:01,600 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 15:43:01,600 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 15:43:01,600 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 15:43:01,600 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 15:43:01,600 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 15:43:01,600 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 15:43:01,600 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 15:43:01,601 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 15:43:01,618 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 255 transitions [2019-12-27 15:43:01,620 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 212 places, 255 transitions [2019-12-27 15:43:01,745 INFO L132 PetriNetUnfolder]: 56/251 cut-off events. [2019-12-27 15:43:01,745 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 15:43:01,766 INFO L76 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 251 events. 56/251 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 559 event pairs. 0/193 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2019-12-27 15:43:01,799 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 212 places, 255 transitions [2019-12-27 15:43:01,874 INFO L132 PetriNetUnfolder]: 56/251 cut-off events. [2019-12-27 15:43:01,874 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 15:43:01,888 INFO L76 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 251 events. 56/251 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 559 event pairs. 0/193 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2019-12-27 15:43:01,923 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 26510 [2019-12-27 15:43:01,924 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 15:43:07,879 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-12-27 15:43:08,056 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-12-27 15:43:08,159 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-12-27 15:43:08,587 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-12-27 15:43:08,758 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-12-27 15:43:08,789 INFO L206 etLargeBlockEncoding]: Checked pairs total: 141939 [2019-12-27 15:43:08,789 INFO L214 etLargeBlockEncoding]: Total number of compositions: 133 [2019-12-27 15:43:08,793 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 132 transitions [2019-12-27 15:43:17,876 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 85966 states. [2019-12-27 15:43:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 85966 states. [2019-12-27 15:43:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 15:43:17,885 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:43:17,886 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:43:17,886 INFO L410 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]=== [2019-12-27 15:43:17,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:43:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1287441752, now seen corresponding path program 1 times [2019-12-27 15:43:17,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:43:17,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087151335] [2019-12-27 15:43:17,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:43:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:43:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:43:18,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087151335] [2019-12-27 15:43:18,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:43:18,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 15:43:18,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1633779718] [2019-12-27 15:43:18,188 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:43:18,193 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:43:18,209 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 10 states and 9 transitions. [2019-12-27 15:43:18,209 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:43:18,213 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:43:18,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:43:18,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:43:18,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:43:18,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:43:18,231 INFO L87 Difference]: Start difference. First operand 85966 states. Second operand 3 states. [2019-12-27 15:43:21,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:43:21,663 INFO L93 Difference]: Finished difference Result 85406 states and 393472 transitions. [2019-12-27 15:43:21,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:43:21,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 15:43:21,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:43:22,274 INFO L225 Difference]: With dead ends: 85406 [2019-12-27 15:43:22,275 INFO L226 Difference]: Without dead ends: 79558 [2019-12-27 15:43:22,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:43:23,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79558 states. [2019-12-27 15:43:26,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79558 to 79558. [2019-12-27 15:43:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79558 states. [2019-12-27 15:43:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79558 states to 79558 states and 366284 transitions. [2019-12-27 15:43:29,602 INFO L78 Accepts]: Start accepts. Automaton has 79558 states and 366284 transitions. Word has length 9 [2019-12-27 15:43:29,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:43:29,603 INFO L462 AbstractCegarLoop]: Abstraction has 79558 states and 366284 transitions. [2019-12-27 15:43:29,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:43:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 79558 states and 366284 transitions. [2019-12-27 15:43:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 15:43:29,610 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:43:29,610 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:43:29,611 INFO L410 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]=== [2019-12-27 15:43:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:43:29,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1721975953, now seen corresponding path program 1 times [2019-12-27 15:43:29,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:43:29,612 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903437140] [2019-12-27 15:43:29,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:43:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:43:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:43:29,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903437140] [2019-12-27 15:43:29,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:43:29,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:43:29,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [720141413] [2019-12-27 15:43:29,774 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:43:29,776 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:43:29,781 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 16 states and 15 transitions. [2019-12-27 15:43:29,781 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:43:29,782 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:43:29,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 15:43:29,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:43:29,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 15:43:29,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 15:43:29,784 INFO L87 Difference]: Start difference. First operand 79558 states and 366284 transitions. Second operand 4 states. [2019-12-27 15:43:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:43:34,356 INFO L93 Difference]: Finished difference Result 126790 states and 563012 transitions. [2019-12-27 15:43:34,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 15:43:34,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-27 15:43:34,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:43:34,995 INFO L225 Difference]: With dead ends: 126790 [2019-12-27 15:43:34,996 INFO L226 Difference]: Without dead ends: 126726 [2019-12-27 15:43:34,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 15:43:36,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126726 states. [2019-12-27 15:43:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126726 to 123582. [2019-12-27 15:43:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123582 states. [2019-12-27 15:43:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123582 states to 123582 states and 551516 transitions. [2019-12-27 15:43:40,310 INFO L78 Accepts]: Start accepts. Automaton has 123582 states and 551516 transitions. Word has length 15 [2019-12-27 15:43:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:43:40,310 INFO L462 AbstractCegarLoop]: Abstraction has 123582 states and 551516 transitions. [2019-12-27 15:43:40,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 15:43:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 123582 states and 551516 transitions. [2019-12-27 15:43:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 15:43:40,317 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:43:40,317 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:43:40,317 INFO L410 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]=== [2019-12-27 15:43:40,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:43:40,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1760528869, now seen corresponding path program 1 times [2019-12-27 15:43:40,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:43:40,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396009855] [2019-12-27 15:43:40,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:43:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:43:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:43:40,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396009855] [2019-12-27 15:43:40,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:43:40,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:43:40,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1930320933] [2019-12-27 15:43:40,389 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:43:40,395 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:43:40,400 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 54 transitions. [2019-12-27 15:43:40,400 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:43:40,441 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 15:43:40,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 15:43:40,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:43:40,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 15:43:40,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 15:43:40,442 INFO L87 Difference]: Start difference. First operand 123582 states and 551516 transitions. Second operand 5 states. [2019-12-27 15:43:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:43:45,539 INFO L93 Difference]: Finished difference Result 159910 states and 703928 transitions. [2019-12-27 15:43:45,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 15:43:45,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-12-27 15:43:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:43:46,892 INFO L225 Difference]: With dead ends: 159910 [2019-12-27 15:43:46,893 INFO L226 Difference]: Without dead ends: 159850 [2019-12-27 15:43:46,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 15:43:48,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159850 states. [2019-12-27 15:43:51,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159850 to 141658. [2019-12-27 15:43:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141658 states. [2019-12-27 15:44:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141658 states to 141658 states and 629312 transitions. [2019-12-27 15:44:00,022 INFO L78 Accepts]: Start accepts. Automaton has 141658 states and 629312 transitions. Word has length 18 [2019-12-27 15:44:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:44:00,023 INFO L462 AbstractCegarLoop]: Abstraction has 141658 states and 629312 transitions. [2019-12-27 15:44:00,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 15:44:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 141658 states and 629312 transitions. [2019-12-27 15:44:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 15:44:00,042 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:44:00,042 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:44:00,042 INFO L410 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]=== [2019-12-27 15:44:00,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:44:00,043 INFO L82 PathProgramCache]: Analyzing trace with hash 176800759, now seen corresponding path program 1 times [2019-12-27 15:44:00,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:44:00,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737761677] [2019-12-27 15:44:00,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:44:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:44:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:44:00,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737761677] [2019-12-27 15:44:00,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:44:00,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 15:44:00,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1232000217] [2019-12-27 15:44:00,163 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:44:00,166 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:44:00,169 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 22 transitions. [2019-12-27 15:44:00,169 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:44:00,169 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:44:00,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:44:00,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:44:00,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:44:00,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:44:00,171 INFO L87 Difference]: Start difference. First operand 141658 states and 629312 transitions. Second operand 3 states. [2019-12-27 15:44:00,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:44:00,955 INFO L93 Difference]: Finished difference Result 141310 states and 627848 transitions. [2019-12-27 15:44:00,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:44:00,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-27 15:44:00,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:44:01,473 INFO L225 Difference]: With dead ends: 141310 [2019-12-27 15:44:01,474 INFO L226 Difference]: Without dead ends: 141310 [2019-12-27 15:44:01,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:44:08,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141310 states. [2019-12-27 15:44:11,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141310 to 141310. [2019-12-27 15:44:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141310 states. [2019-12-27 15:44:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141310 states to 141310 states and 627848 transitions. [2019-12-27 15:44:11,977 INFO L78 Accepts]: Start accepts. Automaton has 141310 states and 627848 transitions. Word has length 20 [2019-12-27 15:44:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:44:11,978 INFO L462 AbstractCegarLoop]: Abstraction has 141310 states and 627848 transitions. [2019-12-27 15:44:11,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:44:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 141310 states and 627848 transitions. [2019-12-27 15:44:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 15:44:11,997 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:44:11,997 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:44:11,998 INFO L410 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]=== [2019-12-27 15:44:11,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:44:11,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1444973627, now seen corresponding path program 1 times [2019-12-27 15:44:11,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:44:11,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301437421] [2019-12-27 15:44:11,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:44:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:44:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:44:12,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301437421] [2019-12-27 15:44:12,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:44:12,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 15:44:12,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2028009558] [2019-12-27 15:44:12,076 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:44:12,080 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:44:12,084 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 29 states and 36 transitions. [2019-12-27 15:44:12,084 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:44:12,085 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:44:12,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:44:12,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:44:12,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:44:12,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:44:12,086 INFO L87 Difference]: Start difference. First operand 141310 states and 627848 transitions. Second operand 3 states. [2019-12-27 15:44:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:44:17,890 INFO L93 Difference]: Finished difference Result 133278 states and 591216 transitions. [2019-12-27 15:44:17,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:44:17,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-27 15:44:17,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:44:18,343 INFO L225 Difference]: With dead ends: 133278 [2019-12-27 15:44:18,343 INFO L226 Difference]: Without dead ends: 133278 [2019-12-27 15:44:18,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:44:19,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133278 states. [2019-12-27 15:44:22,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133278 to 133278. [2019-12-27 15:44:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133278 states. [2019-12-27 15:44:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133278 states to 133278 states and 591216 transitions. [2019-12-27 15:44:22,691 INFO L78 Accepts]: Start accepts. Automaton has 133278 states and 591216 transitions. Word has length 21 [2019-12-27 15:44:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:44:22,691 INFO L462 AbstractCegarLoop]: Abstraction has 133278 states and 591216 transitions. [2019-12-27 15:44:22,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:44:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 133278 states and 591216 transitions. [2019-12-27 15:44:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-27 15:44:22,720 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:44:22,720 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:44:22,720 INFO L410 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]=== [2019-12-27 15:44:22,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:44:22,720 INFO L82 PathProgramCache]: Analyzing trace with hash -923267308, now seen corresponding path program 1 times [2019-12-27 15:44:22,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:44:22,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471149321] [2019-12-27 15:44:22,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:44:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:44:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:44:22,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471149321] [2019-12-27 15:44:22,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:44:22,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:44:22,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1580997036] [2019-12-27 15:44:22,807 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:44:22,812 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:44:22,824 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 52 states and 78 transitions. [2019-12-27 15:44:22,824 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:44:22,844 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 15:44:22,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 15:44:22,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:44:22,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 15:44:22,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 15:44:22,846 INFO L87 Difference]: Start difference. First operand 133278 states and 591216 transitions. Second operand 6 states. [2019-12-27 15:44:25,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:44:25,297 INFO L93 Difference]: Finished difference Result 159602 states and 699380 transitions. [2019-12-27 15:44:25,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 15:44:25,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-12-27 15:44:25,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:44:25,796 INFO L225 Difference]: With dead ends: 159602 [2019-12-27 15:44:25,796 INFO L226 Difference]: Without dead ends: 159490 [2019-12-27 15:44:25,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-27 15:44:33,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159490 states. [2019-12-27 15:44:36,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159490 to 132770. [2019-12-27 15:44:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132770 states. [2019-12-27 15:44:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132770 states to 132770 states and 589072 transitions. [2019-12-27 15:44:36,531 INFO L78 Accepts]: Start accepts. Automaton has 132770 states and 589072 transitions. Word has length 24 [2019-12-27 15:44:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:44:36,531 INFO L462 AbstractCegarLoop]: Abstraction has 132770 states and 589072 transitions. [2019-12-27 15:44:36,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 15:44:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 132770 states and 589072 transitions. [2019-12-27 15:44:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-27 15:44:36,695 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:44:36,696 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:44:36,696 INFO L410 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]=== [2019-12-27 15:44:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:44:36,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1614738075, now seen corresponding path program 1 times [2019-12-27 15:44:36,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:44:36,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542653933] [2019-12-27 15:44:36,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:44:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:44:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:44:36,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542653933] [2019-12-27 15:44:36,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:44:36,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:44:36,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [366334368] [2019-12-27 15:44:36,785 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:44:36,791 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:44:36,824 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 158 transitions. [2019-12-27 15:44:36,824 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:44:36,863 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 15:44:36,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 15:44:36,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:44:36,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 15:44:36,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 15:44:36,864 INFO L87 Difference]: Start difference. First operand 132770 states and 589072 transitions. Second operand 5 states. [2019-12-27 15:44:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:44:39,843 INFO L93 Difference]: Finished difference Result 222394 states and 979544 transitions. [2019-12-27 15:44:39,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 15:44:39,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-12-27 15:44:39,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:44:47,640 INFO L225 Difference]: With dead ends: 222394 [2019-12-27 15:44:47,640 INFO L226 Difference]: Without dead ends: 222394 [2019-12-27 15:44:47,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 15:44:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222394 states. [2019-12-27 15:44:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222394 to 151682. [2019-12-27 15:44:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151682 states. [2019-12-27 15:44:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151682 states to 151682 states and 664096 transitions. [2019-12-27 15:44:53,764 INFO L78 Accepts]: Start accepts. Automaton has 151682 states and 664096 transitions. Word has length 35 [2019-12-27 15:44:53,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:44:53,764 INFO L462 AbstractCegarLoop]: Abstraction has 151682 states and 664096 transitions. [2019-12-27 15:44:53,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 15:44:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 151682 states and 664096 transitions. [2019-12-27 15:44:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-27 15:44:53,997 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:44:53,997 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:44:53,997 INFO L410 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]=== [2019-12-27 15:44:53,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:44:53,998 INFO L82 PathProgramCache]: Analyzing trace with hash -2140874592, now seen corresponding path program 1 times [2019-12-27 15:44:53,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:44:53,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358695672] [2019-12-27 15:44:53,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:44:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:44:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:44:54,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358695672] [2019-12-27 15:44:54,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:44:54,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 15:44:54,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [634612429] [2019-12-27 15:44:54,141 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:44:54,148 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:44:54,170 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 71 states and 103 transitions. [2019-12-27 15:44:54,170 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:44:54,184 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 3 times. [2019-12-27 15:44:54,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 15:44:54,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:44:54,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 15:44:54,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 15:44:54,186 INFO L87 Difference]: Start difference. First operand 151682 states and 664096 transitions. Second operand 7 states. [2019-12-27 15:45:02,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:45:02,070 INFO L93 Difference]: Finished difference Result 301686 states and 1317428 transitions. [2019-12-27 15:45:02,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-27 15:45:02,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-12-27 15:45:02,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:45:03,738 INFO L225 Difference]: With dead ends: 301686 [2019-12-27 15:45:03,738 INFO L226 Difference]: Without dead ends: 275006 [2019-12-27 15:45:03,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2019-12-27 15:45:05,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275006 states. [2019-12-27 15:45:15,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275006 to 220782. [2019-12-27 15:45:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220782 states. [2019-12-27 15:45:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220782 states to 220782 states and 972520 transitions. [2019-12-27 15:45:16,951 INFO L78 Accepts]: Start accepts. Automaton has 220782 states and 972520 transitions. Word has length 36 [2019-12-27 15:45:16,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:45:16,952 INFO L462 AbstractCegarLoop]: Abstraction has 220782 states and 972520 transitions. [2019-12-27 15:45:16,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 15:45:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 220782 states and 972520 transitions. [2019-12-27 15:45:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-27 15:45:17,302 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:45:17,302 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:45:17,302 INFO L410 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]=== [2019-12-27 15:45:17,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:45:17,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1163619085, now seen corresponding path program 1 times [2019-12-27 15:45:17,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:45:17,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878236573] [2019-12-27 15:45:17,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:45:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:45:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:45:17,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878236573] [2019-12-27 15:45:17,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:45:17,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:45:17,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1142284394] [2019-12-27 15:45:17,402 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:45:17,409 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:45:17,442 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 108 states and 175 transitions. [2019-12-27 15:45:17,442 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:45:17,549 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 12 times. [2019-12-27 15:45:17,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-27 15:45:17,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:45:17,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-27 15:45:17,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-27 15:45:17,550 INFO L87 Difference]: Start difference. First operand 220782 states and 972520 transitions. Second operand 9 states. [2019-12-27 15:45:27,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:45:27,772 INFO L93 Difference]: Finished difference Result 407982 states and 1668876 transitions. [2019-12-27 15:45:27,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-27 15:45:27,772 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2019-12-27 15:45:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:45:29,041 INFO L225 Difference]: With dead ends: 407982 [2019-12-27 15:45:29,041 INFO L226 Difference]: Without dead ends: 396442 [2019-12-27 15:45:29,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2019-12-27 15:45:32,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396442 states. [2019-12-27 15:45:44,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396442 to 191398. [2019-12-27 15:45:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191398 states. [2019-12-27 15:45:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191398 states to 191398 states and 785321 transitions. [2019-12-27 15:45:45,708 INFO L78 Accepts]: Start accepts. Automaton has 191398 states and 785321 transitions. Word has length 37 [2019-12-27 15:45:45,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:45:45,709 INFO L462 AbstractCegarLoop]: Abstraction has 191398 states and 785321 transitions. [2019-12-27 15:45:45,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-27 15:45:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 191398 states and 785321 transitions. [2019-12-27 15:45:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-27 15:45:46,021 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:45:46,021 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:45:46,021 INFO L410 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]=== [2019-12-27 15:45:46,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:45:46,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1086732783, now seen corresponding path program 1 times [2019-12-27 15:45:46,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:45:46,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596528707] [2019-12-27 15:45:46,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:45:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:45:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:45:46,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596528707] [2019-12-27 15:45:46,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:45:46,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 15:45:46,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1493464746] [2019-12-27 15:45:46,130 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:45:46,138 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:45:46,176 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 130 states and 221 transitions. [2019-12-27 15:45:46,176 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:45:46,295 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 12 times. [2019-12-27 15:45:46,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-27 15:45:46,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:45:46,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-27 15:45:46,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-12-27 15:45:46,296 INFO L87 Difference]: Start difference. First operand 191398 states and 785321 transitions. Second operand 10 states. [2019-12-27 15:45:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:45:54,101 INFO L93 Difference]: Finished difference Result 154460 states and 535560 transitions. [2019-12-27 15:45:54,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-27 15:45:54,102 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2019-12-27 15:45:54,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:45:54,480 INFO L225 Difference]: With dead ends: 154460 [2019-12-27 15:45:54,480 INFO L226 Difference]: Without dead ends: 143964 [2019-12-27 15:45:54,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2019-12-27 15:45:55,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143964 states. [2019-12-27 15:45:56,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143964 to 73598. [2019-12-27 15:45:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73598 states. [2019-12-27 15:45:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73598 states to 73598 states and 255046 transitions. [2019-12-27 15:45:56,970 INFO L78 Accepts]: Start accepts. Automaton has 73598 states and 255046 transitions. Word has length 38 [2019-12-27 15:45:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:45:56,970 INFO L462 AbstractCegarLoop]: Abstraction has 73598 states and 255046 transitions. [2019-12-27 15:45:56,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-27 15:45:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 73598 states and 255046 transitions. [2019-12-27 15:45:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-27 15:45:57,056 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:45:57,056 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:45:57,056 INFO L410 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]=== [2019-12-27 15:45:57,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:45:57,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1377430370, now seen corresponding path program 1 times [2019-12-27 15:45:57,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:45:57,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324885187] [2019-12-27 15:45:57,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:45:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:45:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:45:57,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324885187] [2019-12-27 15:45:57,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:45:57,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 15:45:57,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [930610458] [2019-12-27 15:45:57,159 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:45:57,167 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:45:57,211 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 150 states and 252 transitions. [2019-12-27 15:45:57,211 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:45:57,331 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 12 times. [2019-12-27 15:45:57,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-27 15:45:57,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:45:57,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-27 15:45:57,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-12-27 15:45:57,332 INFO L87 Difference]: Start difference. First operand 73598 states and 255046 transitions. Second operand 11 states. [2019-12-27 15:45:59,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:45:59,189 INFO L93 Difference]: Finished difference Result 18361 states and 59724 transitions. [2019-12-27 15:45:59,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-27 15:45:59,190 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2019-12-27 15:45:59,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:45:59,215 INFO L225 Difference]: With dead ends: 18361 [2019-12-27 15:45:59,215 INFO L226 Difference]: Without dead ends: 14583 [2019-12-27 15:45:59,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=299, Unknown=0, NotChecked=0, Total=462 [2019-12-27 15:45:59,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14583 states. [2019-12-27 15:45:59,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14583 to 12158. [2019-12-27 15:45:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12158 states. [2019-12-27 15:45:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12158 states to 12158 states and 40417 transitions. [2019-12-27 15:45:59,407 INFO L78 Accepts]: Start accepts. Automaton has 12158 states and 40417 transitions. Word has length 39 [2019-12-27 15:45:59,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:45:59,407 INFO L462 AbstractCegarLoop]: Abstraction has 12158 states and 40417 transitions. [2019-12-27 15:45:59,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-27 15:45:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 12158 states and 40417 transitions. [2019-12-27 15:45:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-27 15:45:59,423 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:45:59,424 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:45:59,424 INFO L410 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]=== [2019-12-27 15:45:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:45:59,424 INFO L82 PathProgramCache]: Analyzing trace with hash 654156702, now seen corresponding path program 1 times [2019-12-27 15:45:59,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:45:59,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222329513] [2019-12-27 15:45:59,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:45:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:45:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:45:59,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222329513] [2019-12-27 15:45:59,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:45:59,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:45:59,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1567479529] [2019-12-27 15:45:59,495 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:45:59,507 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:45:59,566 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 124 states and 170 transitions. [2019-12-27 15:45:59,566 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:45:59,566 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:45:59,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 15:45:59,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:45:59,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 15:45:59,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 15:45:59,567 INFO L87 Difference]: Start difference. First operand 12158 states and 40417 transitions. Second operand 4 states. [2019-12-27 15:45:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:45:59,624 INFO L93 Difference]: Finished difference Result 13907 states and 44928 transitions. [2019-12-27 15:45:59,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 15:45:59,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2019-12-27 15:45:59,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:45:59,644 INFO L225 Difference]: With dead ends: 13907 [2019-12-27 15:45:59,644 INFO L226 Difference]: Without dead ends: 12170 [2019-12-27 15:45:59,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 15:45:59,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12170 states. [2019-12-27 15:45:59,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12170 to 12151. [2019-12-27 15:45:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12151 states. [2019-12-27 15:45:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12151 states to 12151 states and 40281 transitions. [2019-12-27 15:45:59,818 INFO L78 Accepts]: Start accepts. Automaton has 12151 states and 40281 transitions. Word has length 50 [2019-12-27 15:45:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:45:59,818 INFO L462 AbstractCegarLoop]: Abstraction has 12151 states and 40281 transitions. [2019-12-27 15:45:59,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 15:45:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12151 states and 40281 transitions. [2019-12-27 15:45:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-27 15:45:59,832 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:45:59,832 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:45:59,832 INFO L410 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]=== [2019-12-27 15:45:59,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:45:59,832 INFO L82 PathProgramCache]: Analyzing trace with hash 101485776, now seen corresponding path program 2 times [2019-12-27 15:45:59,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:45:59,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582262694] [2019-12-27 15:45:59,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:45:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:45:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:45:59,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582262694] [2019-12-27 15:45:59,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:45:59,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:45:59,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [819355653] [2019-12-27 15:45:59,908 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:45:59,922 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:45:59,986 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 123 transitions. [2019-12-27 15:45:59,986 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:45:59,986 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:45:59,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 15:45:59,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:45:59,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 15:45:59,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 15:45:59,987 INFO L87 Difference]: Start difference. First operand 12151 states and 40281 transitions. Second operand 4 states. [2019-12-27 15:46:00,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:46:00,070 INFO L93 Difference]: Finished difference Result 16362 states and 50383 transitions. [2019-12-27 15:46:00,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 15:46:00,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2019-12-27 15:46:00,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:46:00,097 INFO L225 Difference]: With dead ends: 16362 [2019-12-27 15:46:00,097 INFO L226 Difference]: Without dead ends: 12152 [2019-12-27 15:46:00,098 INFO L631 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 [2019-12-27 15:46:00,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12152 states. [2019-12-27 15:46:00,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12152 to 12099. [2019-12-27 15:46:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12099 states. [2019-12-27 15:46:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12099 states to 12099 states and 37550 transitions. [2019-12-27 15:46:00,272 INFO L78 Accepts]: Start accepts. Automaton has 12099 states and 37550 transitions. Word has length 50 [2019-12-27 15:46:00,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:46:00,272 INFO L462 AbstractCegarLoop]: Abstraction has 12099 states and 37550 transitions. [2019-12-27 15:46:00,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 15:46:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12099 states and 37550 transitions. [2019-12-27 15:46:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-27 15:46:00,286 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:46:00,286 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:46:00,287 INFO L410 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]=== [2019-12-27 15:46:00,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:46:00,287 INFO L82 PathProgramCache]: Analyzing trace with hash -583724662, now seen corresponding path program 3 times [2019-12-27 15:46:00,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:46:00,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726386032] [2019-12-27 15:46:00,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:46:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:46:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:46:00,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726386032] [2019-12-27 15:46:00,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:46:00,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:46:00,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [124068718] [2019-12-27 15:46:00,335 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:46:00,348 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:46:00,486 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 73 states and 91 transitions. [2019-12-27 15:46:00,486 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:46:00,488 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:46:00,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:46:00,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:46:00,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:46:00,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:46:00,489 INFO L87 Difference]: Start difference. First operand 12099 states and 37550 transitions. Second operand 3 states. [2019-12-27 15:46:00,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:46:00,558 INFO L93 Difference]: Finished difference Result 18486 states and 53203 transitions. [2019-12-27 15:46:00,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:46:00,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-12-27 15:46:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:46:00,572 INFO L225 Difference]: With dead ends: 18486 [2019-12-27 15:46:00,573 INFO L226 Difference]: Without dead ends: 9776 [2019-12-27 15:46:00,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:46:00,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9776 states. [2019-12-27 15:46:00,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9776 to 9723. [2019-12-27 15:46:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9723 states. [2019-12-27 15:46:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9723 states to 9723 states and 24442 transitions. [2019-12-27 15:46:00,688 INFO L78 Accepts]: Start accepts. Automaton has 9723 states and 24442 transitions. Word has length 50 [2019-12-27 15:46:00,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:46:00,688 INFO L462 AbstractCegarLoop]: Abstraction has 9723 states and 24442 transitions. [2019-12-27 15:46:00,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:46:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 9723 states and 24442 transitions. [2019-12-27 15:46:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-27 15:46:00,697 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:46:00,698 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:46:00,698 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:46:00,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:46:00,698 INFO L82 PathProgramCache]: Analyzing trace with hash -2055850628, now seen corresponding path program 4 times [2019-12-27 15:46:00,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:46:00,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952173677] [2019-12-27 15:46:00,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:46:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:46:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:46:00,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952173677] [2019-12-27 15:46:00,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:46:00,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 15:46:00,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1454262179] [2019-12-27 15:46:00,800 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:46:00,813 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:46:00,863 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 72 states and 85 transitions. [2019-12-27 15:46:00,863 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:46:00,863 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:46:00,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 15:46:00,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:46:00,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 15:46:00,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-27 15:46:00,864 INFO L87 Difference]: Start difference. First operand 9723 states and 24442 transitions. Second operand 7 states. [2019-12-27 15:46:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:46:00,988 INFO L93 Difference]: Finished difference Result 8348 states and 21318 transitions. [2019-12-27 15:46:00,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 15:46:00,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-12-27 15:46:00,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:46:00,990 INFO L225 Difference]: With dead ends: 8348 [2019-12-27 15:46:00,990 INFO L226 Difference]: Without dead ends: 486 [2019-12-27 15:46:00,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-12-27 15:46:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2019-12-27 15:46:01,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2019-12-27 15:46:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2019-12-27 15:46:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 1060 transitions. [2019-12-27 15:46:01,004 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 1060 transitions. Word has length 50 [2019-12-27 15:46:01,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:46:01,004 INFO L462 AbstractCegarLoop]: Abstraction has 486 states and 1060 transitions. [2019-12-27 15:46:01,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 15:46:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1060 transitions. [2019-12-27 15:46:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-27 15:46:01,005 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:46:01,006 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:46:01,006 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:46:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:46:01,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1736859180, now seen corresponding path program 1 times [2019-12-27 15:46:01,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:46:01,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127432368] [2019-12-27 15:46:01,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:46:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:46:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:46:01,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127432368] [2019-12-27 15:46:01,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:46:01,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 15:46:01,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [418569679] [2019-12-27 15:46:01,128 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:46:01,163 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:46:01,431 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 258 states and 446 transitions. [2019-12-27 15:46:01,432 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:46:01,557 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-27 15:46:01,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-27 15:46:01,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:46:01,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-27 15:46:01,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-27 15:46:01,558 INFO L87 Difference]: Start difference. First operand 486 states and 1060 transitions. Second operand 11 states. Received shutdown request... [2019-12-27 15:46:02,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-12-27 15:46:02,381 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 15:46:02,384 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 15:46:02,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 03:46:02 BasicIcfg [2019-12-27 15:46:02,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 15:46:02,386 INFO L168 Benchmark]: Toolchain (without parser) took 182843.28 ms. Allocated memory was 146.3 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 102.2 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,387 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.31 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 155.7 MB in the end (delta: -53.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.49 ms. Allocated memory is still 203.4 MB. Free memory was 155.7 MB in the beginning and 152.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,389 INFO L168 Benchmark]: Boogie Preprocessor took 43.10 ms. Allocated memory is still 203.4 MB. Free memory was 152.5 MB in the beginning and 149.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,390 INFO L168 Benchmark]: RCFGBuilder took 873.42 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 149.9 MB in the beginning and 203.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,390 INFO L168 Benchmark]: TraceAbstraction took 181002.05 ms. Allocated memory was 234.4 MB in the beginning and 4.4 GB in the end (delta: 4.1 GB). Free memory was 203.3 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-12-27 15:46:02,394 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 849.31 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 155.7 MB in the end (delta: -53.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.49 ms. Allocated memory is still 203.4 MB. Free memory was 155.7 MB in the beginning and 152.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.10 ms. Allocated memory is still 203.4 MB. Free memory was 152.5 MB in the beginning and 149.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 873.42 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 149.9 MB in the beginning and 203.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 181002.05 ms. Allocated memory was 234.4 MB in the beginning and 4.4 GB in the end (delta: 4.1 GB). Free memory was 203.3 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 7.1s, 212 ProgramPointsBefore, 112 ProgramPointsAfterwards, 255 TransitionsBefore, 132 TransitionsAfterwards, 26510 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 48 ConcurrentYvCompositions, 28 ChoiceCompositions, 11185 VarBasedMoverChecksPositive, 321 VarBasedMoverChecksNegative, 83 SemBasedMoverChecksPositive, 338 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.3s, 0 MoverChecksTotal, 141939 CheckedPairsTotal, 133 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (486states) and FLOYD_HOARE automaton (currently 23 states, 11 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 27 known predicates. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (486states) and FLOYD_HOARE automaton (currently 23 states, 11 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 27 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 200 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.7s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 69.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3578 SDtfs, 8654 SDslu, 6995 SDs, 0 SdLazy, 3919 SolverSat, 530 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 42 SyntacticMatches, 10 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220782occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 90.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 450952 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 558 NumberOfCodeBlocks, 558 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 64437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown