/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:31:58,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:31:58,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:31:58,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:31:58,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:31:58,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:31:58,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:31:58,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:31:58,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:31:58,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:31:58,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:31:58,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:31:58,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:31:58,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:31:58,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:31:58,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:31:58,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:31:58,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:31:58,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:31:58,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:31:58,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:31:58,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:31:58,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:31:58,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:31:58,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:31:58,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:31:58,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:31:58,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:31:58,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:31:58,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:31:58,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:31:58,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:31:58,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:31:58,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:31:58,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:31:58,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:31:58,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:31:58,280 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:31:58,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:31:58,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:31:58,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:31:58,282 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:31:58,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:31:58,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:31:58,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:31:58,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:31:58,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:31:58,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:31:58,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:31:58,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:31:58,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:31:58,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:31:58,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:31:58,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:31:58,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:31:58,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:31:58,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:31:58,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:31:58,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:31:58,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:31:58,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:31:58,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:31:58,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:31:58,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:31:58,287 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:31:58,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:31:58,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:31:58,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:31:58,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:31:58,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:31:58,589 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:31:58,590 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_tso.oepc.i [2020-10-05 23:31:58,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2494fe7d/7b9763b249d44f7c8c3a8887fea62d3c/FLAGdf8c134da [2020-10-05 23:31:59,179 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:31:59,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_tso.oepc.i [2020-10-05 23:31:59,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2494fe7d/7b9763b249d44f7c8c3a8887fea62d3c/FLAGdf8c134da [2020-10-05 23:31:59,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2494fe7d/7b9763b249d44f7c8c3a8887fea62d3c [2020-10-05 23:31:59,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:31:59,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:31:59,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:31:59,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:31:59,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:31:59,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:31:59" (1/1) ... [2020-10-05 23:31:59,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a1cbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:31:59, skipping insertion in model container [2020-10-05 23:31:59,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:31:59" (1/1) ... [2020-10-05 23:31:59,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:31:59,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:32:00,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:32:00,057 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:32:00,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:32:00,224 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:32:00,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00 WrapperNode [2020-10-05 23:32:00,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:32:00,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:32:00,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:32:00,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:32:00,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:32:00,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:32:00,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:32:00,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:32:00,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (1/1) ... [2020-10-05 23:32:00,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:32:00,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:32:00,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:32:00,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:32:00,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (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 [2020-10-05 23:32:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:32:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:32:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:32:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:32:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:32:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:32:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:32:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:32:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:32:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:32:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:32:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:32:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:32:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:32:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:32:00,435 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:32:03,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:32:03,181 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:32:03,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:32:03 BoogieIcfgContainer [2020-10-05 23:32:03,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:32:03,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:32:03,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:32:03,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:32:03,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:31:59" (1/3) ... [2020-10-05 23:32:03,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664910da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:32:03, skipping insertion in model container [2020-10-05 23:32:03,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:32:00" (2/3) ... [2020-10-05 23:32:03,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664910da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:32:03, skipping insertion in model container [2020-10-05 23:32:03,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:32:03" (3/3) ... [2020-10-05 23:32:03,195 INFO L109 eAbstractionObserver]: Analyzing ICFG mix030_tso.oepc.i [2020-10-05 23:32:03,206 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:32:03,207 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:32:03,218 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:32:03,220 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:32:03,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,274 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,275 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,278 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,283 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,283 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,283 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,283 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,287 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,287 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,287 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,289 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,289 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,289 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,289 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,289 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,289 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,290 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,291 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,291 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,309 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,311 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,316 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,330 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,331 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,333 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,333 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,336 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,336 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:32:03,353 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:32:03,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:32:03,378 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:32:03,378 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:32:03,378 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:32:03,378 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:32:03,378 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:32:03,378 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:32:03,378 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:32:03,402 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 238 flow [2020-10-05 23:32:03,405 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 238 flow [2020-10-05 23:32:03,459 INFO L129 PetriNetUnfolder]: 2/105 cut-off events. [2020-10-05 23:32:03,459 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:32:03,465 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 105 events. 2/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-05 23:32:03,469 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 238 flow [2020-10-05 23:32:03,497 INFO L129 PetriNetUnfolder]: 2/105 cut-off events. [2020-10-05 23:32:03,497 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:32:03,498 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 105 events. 2/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-05 23:32:03,501 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2446 [2020-10-05 23:32:03,502 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:32:03,978 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-05 23:32:04,474 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:32:05,843 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2020-10-05 23:32:05,877 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 2, 2, 1] term [2020-10-05 23:32:05,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:32:05,883 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-05 23:32:05,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:32:07,138 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 148 DAG size of output: 128 [2020-10-05 23:32:07,811 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-05 23:32:07,916 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-05 23:32:09,110 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 111 [2020-10-05 23:32:09,421 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-05 23:32:10,315 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 131 [2020-10-05 23:32:10,664 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-05 23:32:11,125 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-05 23:32:11,471 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-05 23:32:11,770 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-05 23:32:11,899 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-05 23:32:11,923 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6310 [2020-10-05 23:32:11,923 INFO L214 etLargeBlockEncoding]: Total number of compositions: 89 [2020-10-05 23:32:11,926 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2020-10-05 23:32:12,106 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3002 states. [2020-10-05 23:32:12,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states. [2020-10-05 23:32:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:32:12,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:12,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:12,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:12,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:12,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1669471561, now seen corresponding path program 1 times [2020-10-05 23:32:12,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:12,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694970704] [2020-10-05 23:32:12,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:12,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694970704] [2020-10-05 23:32:12,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:12,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:32:12,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004872322] [2020-10-05 23:32:12,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:32:12,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:12,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:32:12,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:12,490 INFO L87 Difference]: Start difference. First operand 3002 states. Second operand 3 states. [2020-10-05 23:32:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:12,621 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-05 23:32:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:12,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:32:12,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:12,663 INFO L225 Difference]: With dead ends: 2602 [2020-10-05 23:32:12,664 INFO L226 Difference]: Without dead ends: 2122 [2020-10-05 23:32:12,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:12,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-05 23:32:12,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-05 23:32:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-05 23:32:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-05 23:32:12,814 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 9 [2020-10-05 23:32:12,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:12,816 INFO L479 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-05 23:32:12,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:32:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-05 23:32:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:32:12,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:12,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:12,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:32:12,819 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:12,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:12,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1955573475, now seen corresponding path program 1 times [2020-10-05 23:32:12,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:12,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726686462] [2020-10-05 23:32:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:12,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726686462] [2020-10-05 23:32:12,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:12,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:32:12,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006461866] [2020-10-05 23:32:12,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:32:12,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:12,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:32:12,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:12,920 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-05 23:32:12,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:12,955 INFO L93 Difference]: Finished difference Result 2074 states and 7860 transitions. [2020-10-05 23:32:12,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:12,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 23:32:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:12,975 INFO L225 Difference]: With dead ends: 2074 [2020-10-05 23:32:12,975 INFO L226 Difference]: Without dead ends: 2074 [2020-10-05 23:32:12,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:12,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2020-10-05 23:32:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2074. [2020-10-05 23:32:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2020-10-05 23:32:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 7860 transitions. [2020-10-05 23:32:13,054 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 7860 transitions. Word has length 11 [2020-10-05 23:32:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:13,055 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 7860 transitions. [2020-10-05 23:32:13,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:32:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 7860 transitions. [2020-10-05 23:32:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:32:13,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:13,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:13,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:32:13,058 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:13,059 INFO L82 PathProgramCache]: Analyzing trace with hash -454784826, now seen corresponding path program 1 times [2020-10-05 23:32:13,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:13,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595329686] [2020-10-05 23:32:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:13,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595329686] [2020-10-05 23:32:13,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:13,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:32:13,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616204831] [2020-10-05 23:32:13,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:32:13,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:13,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:32:13,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:13,177 INFO L87 Difference]: Start difference. First operand 2074 states and 7860 transitions. Second operand 3 states. [2020-10-05 23:32:13,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:13,213 INFO L93 Difference]: Finished difference Result 2026 states and 7640 transitions. [2020-10-05 23:32:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:13,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-05 23:32:13,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:13,232 INFO L225 Difference]: With dead ends: 2026 [2020-10-05 23:32:13,232 INFO L226 Difference]: Without dead ends: 2026 [2020-10-05 23:32:13,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:13,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2020-10-05 23:32:13,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2020-10-05 23:32:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-10-05 23:32:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 7640 transitions. [2020-10-05 23:32:13,312 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 7640 transitions. Word has length 12 [2020-10-05 23:32:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:13,313 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 7640 transitions. [2020-10-05 23:32:13,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:32:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 7640 transitions. [2020-10-05 23:32:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:32:13,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:13,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:13,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:32:13,318 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:13,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:13,318 INFO L82 PathProgramCache]: Analyzing trace with hash -157635640, now seen corresponding path program 1 times [2020-10-05 23:32:13,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:13,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838991321] [2020-10-05 23:32:13,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:13,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838991321] [2020-10-05 23:32:13,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:13,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:32:13,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665056461] [2020-10-05 23:32:13,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:32:13,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:13,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:32:13,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:32:13,478 INFO L87 Difference]: Start difference. First operand 2026 states and 7640 transitions. Second operand 4 states. [2020-10-05 23:32:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:13,608 INFO L93 Difference]: Finished difference Result 2004 states and 7544 transitions. [2020-10-05 23:32:13,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:13,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:32:13,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:13,628 INFO L225 Difference]: With dead ends: 2004 [2020-10-05 23:32:13,629 INFO L226 Difference]: Without dead ends: 2004 [2020-10-05 23:32:13,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:32:13,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-10-05 23:32:13,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 2004. [2020-10-05 23:32:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2020-10-05 23:32:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 7544 transitions. [2020-10-05 23:32:13,700 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 7544 transitions. Word has length 13 [2020-10-05 23:32:13,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:13,700 INFO L479 AbstractCegarLoop]: Abstraction has 2004 states and 7544 transitions. [2020-10-05 23:32:13,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:32:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 7544 transitions. [2020-10-05 23:32:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:32:13,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:13,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:13,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:32:13,704 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:13,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:13,704 INFO L82 PathProgramCache]: Analyzing trace with hash -591791176, now seen corresponding path program 1 times [2020-10-05 23:32:13,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:13,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053368753] [2020-10-05 23:32:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:13,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053368753] [2020-10-05 23:32:13,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:13,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:32:13,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373483212] [2020-10-05 23:32:13,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:32:13,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:13,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:32:13,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:13,749 INFO L87 Difference]: Start difference. First operand 2004 states and 7544 transitions. Second operand 3 states. [2020-10-05 23:32:13,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:13,781 INFO L93 Difference]: Finished difference Result 2788 states and 10108 transitions. [2020-10-05 23:32:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:13,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-05 23:32:13,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:13,800 INFO L225 Difference]: With dead ends: 2788 [2020-10-05 23:32:13,801 INFO L226 Difference]: Without dead ends: 2148 [2020-10-05 23:32:13,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:13,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2020-10-05 23:32:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1964. [2020-10-05 23:32:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1964 states. [2020-10-05 23:32:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1964 states and 7062 transitions. [2020-10-05 23:32:13,870 INFO L78 Accepts]: Start accepts. Automaton has 1964 states and 7062 transitions. Word has length 14 [2020-10-05 23:32:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:13,871 INFO L479 AbstractCegarLoop]: Abstraction has 1964 states and 7062 transitions. [2020-10-05 23:32:13,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:32:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 7062 transitions. [2020-10-05 23:32:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:32:13,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:13,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:13,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:32:13,874 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:13,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:13,875 INFO L82 PathProgramCache]: Analyzing trace with hash -767663781, now seen corresponding path program 1 times [2020-10-05 23:32:13,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:13,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499681871] [2020-10-05 23:32:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:13,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499681871] [2020-10-05 23:32:13,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:13,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:32:13,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395055742] [2020-10-05 23:32:13,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:32:13,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:13,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:32:13,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:13,950 INFO L87 Difference]: Start difference. First operand 1964 states and 7062 transitions. Second operand 3 states. [2020-10-05 23:32:13,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:13,972 INFO L93 Difference]: Finished difference Result 1866 states and 6656 transitions. [2020-10-05 23:32:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:13,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-05 23:32:13,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:13,991 INFO L225 Difference]: With dead ends: 1866 [2020-10-05 23:32:13,991 INFO L226 Difference]: Without dead ends: 1866 [2020-10-05 23:32:13,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:14,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-10-05 23:32:14,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1866. [2020-10-05 23:32:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1866 states. [2020-10-05 23:32:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 6656 transitions. [2020-10-05 23:32:14,051 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 6656 transitions. Word has length 14 [2020-10-05 23:32:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:14,051 INFO L479 AbstractCegarLoop]: Abstraction has 1866 states and 6656 transitions. [2020-10-05 23:32:14,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:32:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 6656 transitions. [2020-10-05 23:32:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:32:14,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:14,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:14,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:32:14,055 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:14,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:14,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1972142181, now seen corresponding path program 1 times [2020-10-05 23:32:14,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:14,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294025200] [2020-10-05 23:32:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:14,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294025200] [2020-10-05 23:32:14,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:14,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:32:14,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351319272] [2020-10-05 23:32:14,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:32:14,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:14,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:32:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:32:14,149 INFO L87 Difference]: Start difference. First operand 1866 states and 6656 transitions. Second operand 4 states. [2020-10-05 23:32:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:14,192 INFO L93 Difference]: Finished difference Result 1923 states and 6219 transitions. [2020-10-05 23:32:14,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:32:14,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-05 23:32:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:14,204 INFO L225 Difference]: With dead ends: 1923 [2020-10-05 23:32:14,204 INFO L226 Difference]: Without dead ends: 1443 [2020-10-05 23:32:14,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:32:14,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-10-05 23:32:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1443. [2020-10-05 23:32:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2020-10-05 23:32:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 4631 transitions. [2020-10-05 23:32:14,248 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 4631 transitions. Word has length 15 [2020-10-05 23:32:14,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:14,248 INFO L479 AbstractCegarLoop]: Abstraction has 1443 states and 4631 transitions. [2020-10-05 23:32:14,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:32:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 4631 transitions. [2020-10-05 23:32:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:32:14,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:14,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:14,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:32:14,252 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:14,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:14,252 INFO L82 PathProgramCache]: Analyzing trace with hash 608506304, now seen corresponding path program 1 times [2020-10-05 23:32:14,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:14,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632134856] [2020-10-05 23:32:14,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:14,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632134856] [2020-10-05 23:32:14,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:14,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:32:14,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740735458] [2020-10-05 23:32:14,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:32:14,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:14,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:32:14,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:32:14,339 INFO L87 Difference]: Start difference. First operand 1443 states and 4631 transitions. Second operand 5 states. [2020-10-05 23:32:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:14,399 INFO L93 Difference]: Finished difference Result 1245 states and 3651 transitions. [2020-10-05 23:32:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:32:14,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-05 23:32:14,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:14,405 INFO L225 Difference]: With dead ends: 1245 [2020-10-05 23:32:14,405 INFO L226 Difference]: Without dead ends: 945 [2020-10-05 23:32:14,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:32:14,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-05 23:32:14,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2020-10-05 23:32:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2020-10-05 23:32:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 2717 transitions. [2020-10-05 23:32:14,431 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 2717 transitions. Word has length 17 [2020-10-05 23:32:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:14,432 INFO L479 AbstractCegarLoop]: Abstraction has 945 states and 2717 transitions. [2020-10-05 23:32:14,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:32:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2717 transitions. [2020-10-05 23:32:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-05 23:32:14,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:14,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:14,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:32:14,435 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:14,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:14,436 INFO L82 PathProgramCache]: Analyzing trace with hash 2114466280, now seen corresponding path program 1 times [2020-10-05 23:32:14,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:14,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728683310] [2020-10-05 23:32:14,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:14,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728683310] [2020-10-05 23:32:14,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:14,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:32:14,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338136611] [2020-10-05 23:32:14,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:32:14,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:14,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:32:14,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:14,486 INFO L87 Difference]: Start difference. First operand 945 states and 2717 transitions. Second operand 3 states. [2020-10-05 23:32:14,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:14,502 INFO L93 Difference]: Finished difference Result 1331 states and 3687 transitions. [2020-10-05 23:32:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:32:14,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-05 23:32:14,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:14,507 INFO L225 Difference]: With dead ends: 1331 [2020-10-05 23:32:14,507 INFO L226 Difference]: Without dead ends: 955 [2020-10-05 23:32:14,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:32:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2020-10-05 23:32:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 937. [2020-10-05 23:32:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2020-10-05 23:32:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 2544 transitions. [2020-10-05 23:32:14,533 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 2544 transitions. Word has length 20 [2020-10-05 23:32:14,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:14,533 INFO L479 AbstractCegarLoop]: Abstraction has 937 states and 2544 transitions. [2020-10-05 23:32:14,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:32:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2544 transitions. [2020-10-05 23:32:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-05 23:32:14,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:14,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:14,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:32:14,537 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:14,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:14,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1612350458, now seen corresponding path program 1 times [2020-10-05 23:32:14,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:14,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693756976] [2020-10-05 23:32:14,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:14,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693756976] [2020-10-05 23:32:14,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:14,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:32:14,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859225135] [2020-10-05 23:32:14,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:32:14,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:14,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:32:14,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:32:14,691 INFO L87 Difference]: Start difference. First operand 937 states and 2544 transitions. Second operand 6 states. [2020-10-05 23:32:14,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:14,764 INFO L93 Difference]: Finished difference Result 825 states and 2195 transitions. [2020-10-05 23:32:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:32:14,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-05 23:32:14,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:14,767 INFO L225 Difference]: With dead ends: 825 [2020-10-05 23:32:14,767 INFO L226 Difference]: Without dead ends: 662 [2020-10-05 23:32:14,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:32:14,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-10-05 23:32:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-10-05 23:32:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-05 23:32:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1739 transitions. [2020-10-05 23:32:14,784 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1739 transitions. Word has length 20 [2020-10-05 23:32:14,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:14,784 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 1739 transitions. [2020-10-05 23:32:14,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:32:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1739 transitions. [2020-10-05 23:32:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:32:14,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:14,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:14,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:32:14,788 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:14,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:14,788 INFO L82 PathProgramCache]: Analyzing trace with hash 606636304, now seen corresponding path program 1 times [2020-10-05 23:32:14,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:14,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072044672] [2020-10-05 23:32:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:15,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072044672] [2020-10-05 23:32:15,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:15,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:32:15,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275275526] [2020-10-05 23:32:15,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:32:15,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:15,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:32:15,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:32:15,192 INFO L87 Difference]: Start difference. First operand 662 states and 1739 transitions. Second operand 7 states. [2020-10-05 23:32:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:15,407 INFO L93 Difference]: Finished difference Result 1014 states and 2538 transitions. [2020-10-05 23:32:15,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:32:15,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-05 23:32:15,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:15,412 INFO L225 Difference]: With dead ends: 1014 [2020-10-05 23:32:15,412 INFO L226 Difference]: Without dead ends: 878 [2020-10-05 23:32:15,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:32:15,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-10-05 23:32:15,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 658. [2020-10-05 23:32:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-05 23:32:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1691 transitions. [2020-10-05 23:32:15,432 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1691 transitions. Word has length 23 [2020-10-05 23:32:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:15,433 INFO L479 AbstractCegarLoop]: Abstraction has 658 states and 1691 transitions. [2020-10-05 23:32:15,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:32:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1691 transitions. [2020-10-05 23:32:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:32:15,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:15,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:15,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:32:15,436 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:15,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1066514306, now seen corresponding path program 2 times [2020-10-05 23:32:15,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:15,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847963104] [2020-10-05 23:32:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:15,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847963104] [2020-10-05 23:32:15,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:15,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:32:15,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048000968] [2020-10-05 23:32:15,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:32:15,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:15,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:32:15,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:32:15,563 INFO L87 Difference]: Start difference. First operand 658 states and 1691 transitions. Second operand 7 states. [2020-10-05 23:32:15,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:15,670 INFO L93 Difference]: Finished difference Result 631 states and 1638 transitions. [2020-10-05 23:32:15,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:32:15,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-05 23:32:15,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:15,673 INFO L225 Difference]: With dead ends: 631 [2020-10-05 23:32:15,673 INFO L226 Difference]: Without dead ends: 237 [2020-10-05 23:32:15,673 INFO L675 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 [2020-10-05 23:32:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-05 23:32:15,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 213. [2020-10-05 23:32:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-05 23:32:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 521 transitions. [2020-10-05 23:32:15,680 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 521 transitions. Word has length 23 [2020-10-05 23:32:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:15,680 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 521 transitions. [2020-10-05 23:32:15,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:32:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 521 transitions. [2020-10-05 23:32:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-05 23:32:15,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:15,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:15,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:32:15,682 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:15,683 INFO L82 PathProgramCache]: Analyzing trace with hash 258183298, now seen corresponding path program 1 times [2020-10-05 23:32:15,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:15,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928090270] [2020-10-05 23:32:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:32:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:32:15,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928090270] [2020-10-05 23:32:15,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:32:15,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:32:15,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845047587] [2020-10-05 23:32:15,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:32:15,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:32:15,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:32:15,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:32:15,770 INFO L87 Difference]: Start difference. First operand 213 states and 521 transitions. Second operand 5 states. [2020-10-05 23:32:15,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:32:15,809 INFO L93 Difference]: Finished difference Result 264 states and 630 transitions. [2020-10-05 23:32:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:32:15,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-05 23:32:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:32:15,811 INFO L225 Difference]: With dead ends: 264 [2020-10-05 23:32:15,811 INFO L226 Difference]: Without dead ends: 64 [2020-10-05 23:32:15,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:32:15,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-05 23:32:15,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-05 23:32:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-05 23:32:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 122 transitions. [2020-10-05 23:32:15,814 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 122 transitions. Word has length 26 [2020-10-05 23:32:15,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:32:15,814 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 122 transitions. [2020-10-05 23:32:15,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:32:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2020-10-05 23:32:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-05 23:32:15,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:32:15,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:32:15,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:32:15,815 INFO L427 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:32:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:32:15,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1015271758, now seen corresponding path program 2 times [2020-10-05 23:32:15,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:32:15,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905084015] [2020-10-05 23:32:15,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:32:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:32:15,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:32:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:32:15,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:32:15,963 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:32:15,964 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:32:15,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-05 23:32:15,965 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:32:15,983 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [1295] [1295] L851-->L859: Formula: (let ((.cse6 (= (mod ~z$w_buff0_used~0_In-447098765 256) 0)) (.cse7 (= (mod ~z$r_buff0_thd0~0_In-447098765 256) 0)) (.cse8 (= (mod ~z$w_buff1_used~0_In-447098765 256) 0)) (.cse9 (= (mod ~z$r_buff1_thd0~0_In-447098765 256) 0))) (let ((.cse0 (or .cse8 .cse9)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (not .cse7)) (.cse4 (not .cse6)) (.cse5 (or .cse6 .cse7))) (and (= ~z$r_buff1_thd0~0_Out-447098765 ~z$r_buff1_thd0~0_In-447098765) (or (and (= ~z$w_buff1_used~0_Out-447098765 ~z$w_buff1_used~0_In-447098765) .cse0) (and (= ~z$w_buff1_used~0_Out-447098765 0) .cse1 .cse2)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-447098765 0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-447098765| (mod ~main$tmp_guard0~0_In-447098765 256)) (or (and .cse3 .cse4 (= ~z~0_Out-447098765 ~z$w_buff0~0_In-447098765)) (and (or (and .cse0 (= ~z~0_In-447098765 ~z~0_Out-447098765)) (and .cse1 .cse2 (= ~z$w_buff1~0_In-447098765 ~z~0_Out-447098765))) .cse5)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-447098765 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-447098765|) (= ~z$r_buff0_thd0~0_In-447098765 ~z$r_buff0_thd0~0_Out-447098765) (or (and .cse3 (= ~z$w_buff0_used~0_Out-447098765 0) .cse4) (and .cse5 (= ~z$w_buff0_used~0_In-447098765 ~z$w_buff0_used~0_Out-447098765)))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-447098765, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-447098765, ~z$w_buff0~0=~z$w_buff0~0_In-447098765, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-447098765, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-447098765, ~z$w_buff1~0=~z$w_buff1~0_In-447098765, ~z~0=~z~0_In-447098765, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-447098765} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out-447098765, ~z$w_buff0~0=~z$w_buff0~0_In-447098765, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out-447098765, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out-447098765|, ~z$w_buff1~0=~z$w_buff1~0_In-447098765, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-447098765, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-447098765|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-447098765|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out-447098765|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-447098765|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-447098765|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out-447098765, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-447098765|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-447098765, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-447098765, ~z~0=~z~0_Out-447098765} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_assume_abort_if_not_#in~cond, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_assume_abort_if_not_~cond, ~z$r_buff1_thd0~0, ~z~0] because there is no mapped edge [2020-10-05 23:32:15,990 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,991 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,991 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,991 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,992 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,992 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,993 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,993 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,993 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,993 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,993 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,993 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,994 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,994 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,994 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,994 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,994 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,994 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,995 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,995 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,997 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,997 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,997 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,997 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,997 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,998 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,998 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,999 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,999 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:15,999 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:15,999 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,000 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,000 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,000 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,000 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,000 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,000 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,001 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,001 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,001 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,002 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,002 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,002 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,002 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,002 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,003 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,003 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,003 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,003 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,003 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,003 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,004 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,004 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,004 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:32:16,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:32:16,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:32:16 BasicIcfg [2020-10-05 23:32:16,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:32:16,121 INFO L168 Benchmark]: Toolchain (without parser) took 16596.82 ms. Allocated memory was 140.0 MB in the beginning and 437.8 MB in the end (delta: 297.8 MB). Free memory was 101.5 MB in the beginning and 157.2 MB in the end (delta: -55.7 MB). Peak memory consumption was 242.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,122 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.32 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 154.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.96 ms. Allocated memory is still 203.4 MB. Free memory was 154.9 MB in the beginning and 151.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,124 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 203.4 MB. Free memory was 151.6 MB in the beginning and 148.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,125 INFO L168 Benchmark]: RCFGBuilder took 2835.64 ms. Allocated memory was 203.4 MB in the beginning and 248.0 MB in the end (delta: 44.6 MB). Free memory was 148.9 MB in the beginning and 212.2 MB in the end (delta: -63.3 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,130 INFO L168 Benchmark]: TraceAbstraction took 12934.21 ms. Allocated memory was 248.0 MB in the beginning and 437.8 MB in the end (delta: 189.8 MB). Free memory was 212.2 MB in the beginning and 157.2 MB in the end (delta: 55.0 MB). Peak memory consumption was 244.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:32:16,133 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.32 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 154.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.96 ms. Allocated memory is still 203.4 MB. Free memory was 154.9 MB in the beginning and 151.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 203.4 MB. Free memory was 151.6 MB in the beginning and 148.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2835.64 ms. Allocated memory was 203.4 MB in the beginning and 248.0 MB in the end (delta: 44.6 MB). Free memory was 148.9 MB in the beginning and 212.2 MB in the end (delta: -63.3 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12934.21 ms. Allocated memory was 248.0 MB in the beginning and 437.8 MB in the end (delta: 189.8 MB). Free memory was 212.2 MB in the beginning and 157.2 MB in the end (delta: 55.0 MB). Peak memory consumption was 244.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 8.5s, 120 ProgramPointsBefore, 45 ProgramPointsAfterwards, 109 TransitionsBefore, 32 TransitionsAfterwards, 2446 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 1254 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6310 CheckedPairsTotal, 89 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p3_EAX = 0; [L703] 0 int __unbuffered_p3_EBX = 0; [L705] 0 int a = 0; [L706] 0 _Bool main$tmp_guard0; [L707] 0 _Bool main$tmp_guard1; [L709] 0 int x = 0; [L711] 0 int y = 0; [L713] 0 int z = 0; [L714] 0 _Bool z$flush_delayed; [L715] 0 int z$mem_tmp; [L716] 0 _Bool z$r_buff0_thd0; [L717] 0 _Bool z$r_buff0_thd1; [L718] 0 _Bool z$r_buff0_thd2; [L719] 0 _Bool z$r_buff0_thd3; [L720] 0 _Bool z$r_buff0_thd4; [L721] 0 _Bool z$r_buff1_thd0; [L722] 0 _Bool z$r_buff1_thd1; [L723] 0 _Bool z$r_buff1_thd2; [L724] 0 _Bool z$r_buff1_thd3; [L725] 0 _Bool z$r_buff1_thd4; [L726] 0 _Bool z$read_delayed; [L727] 0 int *z$read_delayed_var; [L728] 0 int z$w_buff0; [L729] 0 _Bool z$w_buff0_used; [L730] 0 int z$w_buff1; [L731] 0 _Bool z$w_buff1_used; [L732] 0 _Bool weak$$choice0; [L733] 0 _Bool weak$$choice2; [L841] 0 pthread_t t825; [L842] FCALL, FORK 0 pthread_create(&t825, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L843] 0 pthread_t t826; [L844] FCALL, FORK 0 pthread_create(&t826, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] 0 pthread_t t827; [L846] FCALL, FORK 0 pthread_create(&t827, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] 0 pthread_t t828; [L848] FCALL, FORK 0 pthread_create(&t828, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L787] 4 z$w_buff1 = z$w_buff0 [L788] 4 z$w_buff0 = 2 [L789] 4 z$w_buff1_used = z$w_buff0_used [L790] 4 z$w_buff0_used = (_Bool)1 [L7] COND FALSE 4 !(!expression) [L792] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L793] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L794] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L795] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L796] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L797] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L800] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 4 z$flush_delayed = weak$$choice2 [L803] 4 z$mem_tmp = z [L804] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L804] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L805] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L805] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L806] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L806] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L807] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used) [L807] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L807] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used) [L807] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L807] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L808] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L808] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L809] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L810] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L810] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L810] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L811] 4 __unbuffered_p3_EAX = z [L812] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L812] 4 z = z$flush_delayed ? z$mem_tmp : z [L813] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L737] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L740] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L745] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L747] 1 return 0; [L752] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 2 return 0; [L767] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L819] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L820] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L820] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L821] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L821] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L822] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L823] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 4 return 0; [L773] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L773] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L774] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L774] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L775] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L775] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L776] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L776] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L777] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L777] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L780] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 3 return 0; [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L861] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L862] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L863] 0 z$flush_delayed = weak$$choice2 [L864] 0 z$mem_tmp = z [L865] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L865] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1 [L865] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L865] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L866] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L866] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L867] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L867] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L868] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L868] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L869] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L869] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L870] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L870] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L871] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L871] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L871] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L873] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L873] 0 z = z$flush_delayed ? z$mem_tmp : z [L874] 0 z$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 108 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.5s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.7s, HoareTripleCheckerStatistics: 373 SDtfs, 557 SDslu, 477 SDs, 0 SdLazy, 194 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3002occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 446 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 24892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...