/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix008_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:57:46,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:57:46,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:57:46,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:57:46,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:57:46,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:57:46,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:57:46,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:57:46,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:57:46,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:57:46,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:57:46,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:57:46,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:57:46,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:57:46,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:57:46,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:57:46,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:57:46,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:57:46,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:57:46,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:57:46,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:57:46,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:57:46,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:57:46,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:57:46,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 11:57:46,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 11:57:46,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 11:57:46,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 11:57:46,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 11:57:46,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 11:57:46,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:57:46,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:57:46,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:57:46,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:57:46,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:57:46,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:57:46,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:57:46,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:57:46,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:57:46,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:57:46,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:57:46,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:57:46,252 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:57:46,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:57:46,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:57:46,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:57:46,254 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:57:46,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:57:46,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:57:46,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:57:46,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:57:46,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:57:46,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:57:46,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:57:46,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:57:46,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:57:46,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:57:46,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:57:46,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:57:46,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:57:46,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:57:46,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:57:46,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:57:46,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:57:46,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:57:46,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:57:46,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:57:46,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:57:46,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:57:46,258 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:57:46,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:57:46,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:57:46,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:57:46,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:57:46,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:57:46,599 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:57:46,600 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_power.opt.i [2020-10-16 11:57:46,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/627b8c6de/92cc36d3231f4be5b1b5a8be45f695ab/FLAG9ed85adae [2020-10-16 11:57:47,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:57:47,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix008_power.opt.i [2020-10-16 11:57:47,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/627b8c6de/92cc36d3231f4be5b1b5a8be45f695ab/FLAG9ed85adae [2020-10-16 11:57:47,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/627b8c6de/92cc36d3231f4be5b1b5a8be45f695ab [2020-10-16 11:57:47,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:57:47,461 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:57:47,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:57:47,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:57:47,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:57:47,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:57:47" (1/1) ... [2020-10-16 11:57:47,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1cc238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:47, skipping insertion in model container [2020-10-16 11:57:47,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:57:47" (1/1) ... [2020-10-16 11:57:47,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:57:47,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:57:48,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:57:48,074 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:57:48,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:57:48,244 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:57:48,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48 WrapperNode [2020-10-16 11:57:48,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:57:48,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:57:48,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:57:48,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:57:48,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:57:48,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:57:48,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:57:48,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:57:48,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... [2020-10-16 11:57:48,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:57:48,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:57:48,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:57:48,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:57:48,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:57:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:57:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:57:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:57:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:57:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:57:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:57:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:57:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:57:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 11:57:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 11:57:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 11:57:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 11:57:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:57:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:57:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:57:48,476 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:57:50,956 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:57:50,956 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 11:57:50,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:57:50 BoogieIcfgContainer [2020-10-16 11:57:50,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:57:50,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:57:50,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:57:50,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:57:50,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:57:47" (1/3) ... [2020-10-16 11:57:50,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7182f518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:57:50, skipping insertion in model container [2020-10-16 11:57:50,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:57:48" (2/3) ... [2020-10-16 11:57:50,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7182f518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:57:50, skipping insertion in model container [2020-10-16 11:57:50,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:57:50" (3/3) ... [2020-10-16 11:57:50,968 INFO L111 eAbstractionObserver]: Analyzing ICFG mix008_power.opt.i [2020-10-16 11:57:50,980 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:57:50,980 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:57:50,990 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:57:50,991 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:57:51,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,031 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,031 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,033 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,033 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,034 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,046 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,046 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,046 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,047 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,065 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,074 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,075 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,078 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,087 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,089 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,089 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:57:51,090 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:57:51,107 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 11:57:51,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:57:51,131 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:57:51,131 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:57:51,132 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:57:51,132 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:57:51,132 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:57:51,132 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:57:51,132 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:57:51,147 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:57:51,148 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-16 11:57:51,152 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-16 11:57:51,154 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 242 flow [2020-10-16 11:57:51,218 INFO L129 PetriNetUnfolder]: 2/107 cut-off events. [2020-10-16 11:57:51,218 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:57:51,230 INFO L80 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-16 11:57:51,237 INFO L117 LiptonReduction]: Number of co-enabled transitions 2446 [2020-10-16 11:57:51,797 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 11:57:51,918 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 11:57:52,472 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 11:57:53,020 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 11:57:53,125 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 11:57:54,274 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-16 11:57:54,402 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 11:57:54,425 INFO L132 LiptonReduction]: Checked pairs total: 6716 [2020-10-16 11:57:54,425 INFO L134 LiptonReduction]: Total number of compositions: 89 [2020-10-16 11:57:54,431 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2020-10-16 11:57:54,695 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4122 states. [2020-10-16 11:57:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 4122 states. [2020-10-16 11:57:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 11:57:54,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:54,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:54,710 INFO L429 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]=== [2020-10-16 11:57:54,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:54,717 INFO L82 PathProgramCache]: Analyzing trace with hash 2072379486, now seen corresponding path program 1 times [2020-10-16 11:57:54,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:54,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968362412] [2020-10-16 11:57:54,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:55,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968362412] [2020-10-16 11:57:55,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:55,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:57:55,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454832265] [2020-10-16 11:57:55,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:57:55,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:55,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:57:55,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:57:55,057 INFO L87 Difference]: Start difference. First operand 4122 states. Second operand 3 states. [2020-10-16 11:57:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:55,195 INFO L93 Difference]: Finished difference Result 3562 states and 14032 transitions. [2020-10-16 11:57:55,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:57:55,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 11:57:55,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:55,267 INFO L225 Difference]: With dead ends: 3562 [2020-10-16 11:57:55,268 INFO L226 Difference]: Without dead ends: 2602 [2020-10-16 11:57:55,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:57:55,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2020-10-16 11:57:55,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2602. [2020-10-16 11:57:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2020-10-16 11:57:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 10064 transitions. [2020-10-16 11:57:55,488 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 10064 transitions. Word has length 9 [2020-10-16 11:57:55,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:55,490 INFO L481 AbstractCegarLoop]: Abstraction has 2602 states and 10064 transitions. [2020-10-16 11:57:55,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:57:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 10064 transitions. [2020-10-16 11:57:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 11:57:55,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:55,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:55,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:57:55,494 INFO L429 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]=== [2020-10-16 11:57:55,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:55,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1895185184, now seen corresponding path program 1 times [2020-10-16 11:57:55,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:55,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947169189] [2020-10-16 11:57:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:55,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947169189] [2020-10-16 11:57:55,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:55,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:57:55,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676012713] [2020-10-16 11:57:55,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:55,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:55,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:55,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:55,632 INFO L87 Difference]: Start difference. First operand 2602 states and 10064 transitions. Second operand 4 states. [2020-10-16 11:57:55,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:55,699 INFO L93 Difference]: Finished difference Result 2762 states and 10352 transitions. [2020-10-16 11:57:55,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:57:55,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 11:57:55,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:55,720 INFO L225 Difference]: With dead ends: 2762 [2020-10-16 11:57:55,720 INFO L226 Difference]: Without dead ends: 2282 [2020-10-16 11:57:55,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:55,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-10-16 11:57:55,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2282. [2020-10-16 11:57:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2020-10-16 11:57:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 8688 transitions. [2020-10-16 11:57:55,907 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 8688 transitions. Word has length 12 [2020-10-16 11:57:55,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:55,907 INFO L481 AbstractCegarLoop]: Abstraction has 2282 states and 8688 transitions. [2020-10-16 11:57:55,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 8688 transitions. [2020-10-16 11:57:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:57:55,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:55,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:55,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:57:55,912 INFO L429 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]=== [2020-10-16 11:57:55,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:55,913 INFO L82 PathProgramCache]: Analyzing trace with hash -206072109, now seen corresponding path program 1 times [2020-10-16 11:57:55,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:55,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365542520] [2020-10-16 11:57:55,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:56,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365542520] [2020-10-16 11:57:56,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:56,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:57:56,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689680617] [2020-10-16 11:57:56,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:56,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:56,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:56,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:56,085 INFO L87 Difference]: Start difference. First operand 2282 states and 8688 transitions. Second operand 4 states. [2020-10-16 11:57:56,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:56,135 INFO L93 Difference]: Finished difference Result 2346 states and 8704 transitions. [2020-10-16 11:57:56,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:57:56,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 11:57:56,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:56,154 INFO L225 Difference]: With dead ends: 2346 [2020-10-16 11:57:56,155 INFO L226 Difference]: Without dead ends: 2026 [2020-10-16 11:57:56,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2020-10-16 11:57:56,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2020-10-16 11:57:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-10-16 11:57:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 7600 transitions. [2020-10-16 11:57:56,230 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 7600 transitions. Word has length 14 [2020-10-16 11:57:56,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:56,230 INFO L481 AbstractCegarLoop]: Abstraction has 2026 states and 7600 transitions. [2020-10-16 11:57:56,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 7600 transitions. [2020-10-16 11:57:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:57:56,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:56,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:56,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:57:56,235 INFO L429 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]=== [2020-10-16 11:57:56,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:56,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1439319015, now seen corresponding path program 1 times [2020-10-16 11:57:56,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:56,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424764885] [2020-10-16 11:57:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:56,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424764885] [2020-10-16 11:57:56,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:56,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:57:56,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055463271] [2020-10-16 11:57:56,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:56,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:56,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:56,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:56,355 INFO L87 Difference]: Start difference. First operand 2026 states and 7600 transitions. Second operand 4 states. [2020-10-16 11:57:56,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:56,416 INFO L93 Difference]: Finished difference Result 2170 states and 7972 transitions. [2020-10-16 11:57:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:57:56,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 11:57:56,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:56,434 INFO L225 Difference]: With dead ends: 2170 [2020-10-16 11:57:56,434 INFO L226 Difference]: Without dead ends: 1978 [2020-10-16 11:57:56,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:56,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-10-16 11:57:56,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-10-16 11:57:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-10-16 11:57:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 7388 transitions. [2020-10-16 11:57:56,514 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 7388 transitions. Word has length 16 [2020-10-16 11:57:56,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:56,515 INFO L481 AbstractCegarLoop]: Abstraction has 1978 states and 7388 transitions. [2020-10-16 11:57:56,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 7388 transitions. [2020-10-16 11:57:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:57:56,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:56,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:56,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:57:56,521 INFO L429 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]=== [2020-10-16 11:57:56,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:56,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1670121764, now seen corresponding path program 1 times [2020-10-16 11:57:56,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:56,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938424512] [2020-10-16 11:57:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:56,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938424512] [2020-10-16 11:57:56,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:56,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:57:56,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919315504] [2020-10-16 11:57:56,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:56,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:56,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:56,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:56,704 INFO L87 Difference]: Start difference. First operand 1978 states and 7388 transitions. Second operand 4 states. [2020-10-16 11:57:56,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:56,779 INFO L93 Difference]: Finished difference Result 2014 states and 6852 transitions. [2020-10-16 11:57:56,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:57:56,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-16 11:57:56,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:56,792 INFO L225 Difference]: With dead ends: 2014 [2020-10-16 11:57:56,792 INFO L226 Difference]: Without dead ends: 1534 [2020-10-16 11:57:56,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:56,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-10-16 11:57:56,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2020-10-16 11:57:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1534 states. [2020-10-16 11:57:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 5168 transitions. [2020-10-16 11:57:56,846 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 5168 transitions. Word has length 17 [2020-10-16 11:57:56,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:56,846 INFO L481 AbstractCegarLoop]: Abstraction has 1534 states and 5168 transitions. [2020-10-16 11:57:56,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 5168 transitions. [2020-10-16 11:57:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 11:57:56,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:56,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:56,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:57:56,854 INFO L429 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]=== [2020-10-16 11:57:56,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:56,855 INFO L82 PathProgramCache]: Analyzing trace with hash -912675214, now seen corresponding path program 1 times [2020-10-16 11:57:56,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:56,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350573863] [2020-10-16 11:57:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:57,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350573863] [2020-10-16 11:57:57,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:57,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:57:57,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083984553] [2020-10-16 11:57:57,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:57:57,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:57,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:57:57,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:57,049 INFO L87 Difference]: Start difference. First operand 1534 states and 5168 transitions. Second operand 5 states. [2020-10-16 11:57:57,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:57,125 INFO L93 Difference]: Finished difference Result 1290 states and 3977 transitions. [2020-10-16 11:57:57,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:57:57,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-16 11:57:57,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:57,135 INFO L225 Difference]: With dead ends: 1290 [2020-10-16 11:57:57,135 INFO L226 Difference]: Without dead ends: 990 [2020-10-16 11:57:57,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:57:57,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-16 11:57:57,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2020-10-16 11:57:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-10-16 11:57:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 2992 transitions. [2020-10-16 11:57:57,172 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 2992 transitions. Word has length 19 [2020-10-16 11:57:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:57,172 INFO L481 AbstractCegarLoop]: Abstraction has 990 states and 2992 transitions. [2020-10-16 11:57:57,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:57:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 2992 transitions. [2020-10-16 11:57:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 11:57:57,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:57,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:57,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:57:57,177 INFO L429 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]=== [2020-10-16 11:57:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash 790376830, now seen corresponding path program 1 times [2020-10-16 11:57:57,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155434747] [2020-10-16 11:57:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:57,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155434747] [2020-10-16 11:57:57,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:57,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:57:57,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930240977] [2020-10-16 11:57:57,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:57,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:57,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:57,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:57,283 INFO L87 Difference]: Start difference. First operand 990 states and 2992 transitions. Second operand 4 states. [2020-10-16 11:57:57,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:57,318 INFO L93 Difference]: Finished difference Result 1447 states and 4252 transitions. [2020-10-16 11:57:57,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:57:57,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-16 11:57:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:57,326 INFO L225 Difference]: With dead ends: 1447 [2020-10-16 11:57:57,327 INFO L226 Difference]: Without dead ends: 1026 [2020-10-16 11:57:57,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-10-16 11:57:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 990. [2020-10-16 11:57:57,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-10-16 11:57:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 2840 transitions. [2020-10-16 11:57:57,410 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 2840 transitions. Word has length 21 [2020-10-16 11:57:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:57,410 INFO L481 AbstractCegarLoop]: Abstraction has 990 states and 2840 transitions. [2020-10-16 11:57:57,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 2840 transitions. [2020-10-16 11:57:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 11:57:57,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:57,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:57,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:57:57,414 INFO L429 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]=== [2020-10-16 11:57:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:57,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2136153755, now seen corresponding path program 1 times [2020-10-16 11:57:57,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:57,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095552156] [2020-10-16 11:57:57,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:57,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095552156] [2020-10-16 11:57:57,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:57,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:57:57,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232443201] [2020-10-16 11:57:57,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:57,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:57,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:57,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:57,524 INFO L87 Difference]: Start difference. First operand 990 states and 2840 transitions. Second operand 4 states. [2020-10-16 11:57:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:57,559 INFO L93 Difference]: Finished difference Result 1444 states and 3966 transitions. [2020-10-16 11:57:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:57:57,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-16 11:57:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:57,570 INFO L225 Difference]: With dead ends: 1444 [2020-10-16 11:57:57,570 INFO L226 Difference]: Without dead ends: 1008 [2020-10-16 11:57:57,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:57,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-10-16 11:57:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 976. [2020-10-16 11:57:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-16 11:57:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 2650 transitions. [2020-10-16 11:57:57,598 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 2650 transitions. Word has length 21 [2020-10-16 11:57:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:57,599 INFO L481 AbstractCegarLoop]: Abstraction has 976 states and 2650 transitions. [2020-10-16 11:57:57,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 2650 transitions. [2020-10-16 11:57:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 11:57:57,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:57,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:57,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:57:57,602 INFO L429 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]=== [2020-10-16 11:57:57,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:57,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2113725836, now seen corresponding path program 2 times [2020-10-16 11:57:57,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:57,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979775789] [2020-10-16 11:57:57,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:57,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979775789] [2020-10-16 11:57:57,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:57,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:57:57,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208880035] [2020-10-16 11:57:57,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:57:57,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:57,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:57:57,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:57:57,744 INFO L87 Difference]: Start difference. First operand 976 states and 2650 transitions. Second operand 6 states. [2020-10-16 11:57:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:57,806 INFO L93 Difference]: Finished difference Result 835 states and 2214 transitions. [2020-10-16 11:57:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:57:57,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-16 11:57:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:57,812 INFO L225 Difference]: With dead ends: 835 [2020-10-16 11:57:57,812 INFO L226 Difference]: Without dead ends: 672 [2020-10-16 11:57:57,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:57:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-10-16 11:57:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2020-10-16 11:57:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-16 11:57:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1758 transitions. [2020-10-16 11:57:57,831 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1758 transitions. Word has length 21 [2020-10-16 11:57:57,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:57,831 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 1758 transitions. [2020-10-16 11:57:57,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:57:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1758 transitions. [2020-10-16 11:57:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 11:57:57,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:57,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:57,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:57:57,834 INFO L429 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]=== [2020-10-16 11:57:57,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:57,835 INFO L82 PathProgramCache]: Analyzing trace with hash -270875968, now seen corresponding path program 1 times [2020-10-16 11:57:57,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:57,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376704786] [2020-10-16 11:57:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:57,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376704786] [2020-10-16 11:57:57,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:57,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:57:57,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896400584] [2020-10-16 11:57:57,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:57:57,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:57,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:57:57,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:57:57,964 INFO L87 Difference]: Start difference. First operand 672 states and 1758 transitions. Second operand 7 states. [2020-10-16 11:57:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:58,033 INFO L93 Difference]: Finished difference Result 638 states and 1690 transitions. [2020-10-16 11:57:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 11:57:58,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-16 11:57:58,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:58,036 INFO L225 Difference]: With dead ends: 638 [2020-10-16 11:57:58,036 INFO L226 Difference]: Without dead ends: 242 [2020-10-16 11:57:58,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:57:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-16 11:57:58,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-16 11:57:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-16 11:57:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 598 transitions. [2020-10-16 11:57:58,043 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 598 transitions. Word has length 24 [2020-10-16 11:57:58,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:58,044 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 598 transitions. [2020-10-16 11:57:58,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:57:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 598 transitions. [2020-10-16 11:57:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 11:57:58,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:58,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:58,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:57:58,045 INFO L429 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]=== [2020-10-16 11:57:58,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:58,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1099302776, now seen corresponding path program 1 times [2020-10-16 11:57:58,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:58,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329697452] [2020-10-16 11:57:58,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:58,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329697452] [2020-10-16 11:57:58,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:58,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 11:57:58,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576176137] [2020-10-16 11:57:58,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 11:57:58,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:58,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 11:57:58,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:57:58,263 INFO L87 Difference]: Start difference. First operand 242 states and 598 transitions. Second operand 11 states. [2020-10-16 11:57:58,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:58,586 INFO L93 Difference]: Finished difference Result 350 states and 828 transitions. [2020-10-16 11:57:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 11:57:58,587 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-10-16 11:57:58,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:58,589 INFO L225 Difference]: With dead ends: 350 [2020-10-16 11:57:58,589 INFO L226 Difference]: Without dead ends: 117 [2020-10-16 11:57:58,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-10-16 11:57:58,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-16 11:57:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 93. [2020-10-16 11:57:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-16 11:57:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 199 transitions. [2020-10-16 11:57:58,596 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 199 transitions. Word has length 27 [2020-10-16 11:57:58,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:58,596 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 199 transitions. [2020-10-16 11:57:58,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 11:57:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 199 transitions. [2020-10-16 11:57:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 11:57:58,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:58,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:58,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 11:57:58,600 INFO L429 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]=== [2020-10-16 11:57:58,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:58,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1979510162, now seen corresponding path program 2 times [2020-10-16 11:57:58,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:58,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130525493] [2020-10-16 11:57:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:58,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130525493] [2020-10-16 11:57:58,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:58,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:57:59,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910495278] [2020-10-16 11:57:59,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 11:57:59,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:59,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 11:57:59,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:57:59,001 INFO L87 Difference]: Start difference. First operand 93 states and 199 transitions. Second operand 8 states. [2020-10-16 11:57:59,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:59,203 INFO L93 Difference]: Finished difference Result 112 states and 234 transitions. [2020-10-16 11:57:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 11:57:59,203 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-16 11:57:59,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:59,204 INFO L225 Difference]: With dead ends: 112 [2020-10-16 11:57:59,205 INFO L226 Difference]: Without dead ends: 57 [2020-10-16 11:57:59,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-16 11:57:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-16 11:57:59,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-16 11:57:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-16 11:57:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2020-10-16 11:57:59,208 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 99 transitions. Word has length 27 [2020-10-16 11:57:59,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:59,208 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 99 transitions. [2020-10-16 11:57:59,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 11:57:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2020-10-16 11:57:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 11:57:59,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:59,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:59,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 11:57:59,210 INFO L429 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]=== [2020-10-16 11:57:59,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:59,210 INFO L82 PathProgramCache]: Analyzing trace with hash 974126482, now seen corresponding path program 3 times [2020-10-16 11:57:59,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:59,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985491558] [2020-10-16 11:57:59,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:57:59,255 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:57:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:57:59,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:57:59,353 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:57:59,353 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:57:59,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 11:57:59,382 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,383 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,383 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,383 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,384 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,384 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,384 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,384 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,384 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,385 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,385 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,385 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,385 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,385 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,386 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,386 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,386 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,386 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,386 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,387 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,387 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,387 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,387 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,387 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,388 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,388 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,389 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,390 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,390 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,390 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,390 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,390 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,391 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,391 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,391 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,391 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,391 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,392 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,392 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,392 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,392 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,392 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,393 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,393 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,393 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,393 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,393 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,393 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,394 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,394 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,394 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,395 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,395 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,395 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,395 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,395 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,395 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,396 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:59,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:59,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:57:59 BasicIcfg [2020-10-16 11:57:59,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:57:59,520 INFO L168 Benchmark]: Toolchain (without parser) took 12059.42 ms. Allocated memory was 136.3 MB in the beginning and 439.9 MB in the end (delta: 303.6 MB). Free memory was 97.7 MB in the beginning and 280.6 MB in the end (delta: -182.9 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:59,522 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:57:59,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.87 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 97.5 MB in the beginning and 150.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:59,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.95 ms. Allocated memory is still 199.2 MB. Free memory was 150.6 MB in the beginning and 147.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:59,524 INFO L168 Benchmark]: Boogie Preprocessor took 66.08 ms. Allocated memory is still 199.2 MB. Free memory was 147.7 MB in the beginning and 144.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:59,525 INFO L168 Benchmark]: RCFGBuilder took 2578.28 ms. Allocated memory was 199.2 MB in the beginning and 257.9 MB in the end (delta: 58.7 MB). Free memory was 144.8 MB in the beginning and 131.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:59,526 INFO L168 Benchmark]: TraceAbstraction took 8557.76 ms. Allocated memory was 257.9 MB in the beginning and 439.9 MB in the end (delta: 181.9 MB). Free memory was 131.6 MB in the beginning and 280.6 MB in the end (delta: -149.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:59,530 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.87 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 97.5 MB in the beginning and 150.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.95 ms. Allocated memory is still 199.2 MB. Free memory was 150.6 MB in the beginning and 147.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.08 ms. Allocated memory is still 199.2 MB. Free memory was 147.7 MB in the beginning and 144.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2578.28 ms. Allocated memory was 199.2 MB in the beginning and 257.9 MB in the end (delta: 58.7 MB). Free memory was 144.8 MB in the beginning and 131.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8557.76 ms. Allocated memory was 257.9 MB in the beginning and 439.9 MB in the end (delta: 181.9 MB). Free memory was 131.6 MB in the beginning and 280.6 MB in the end (delta: -149.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1238 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 157 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 122 PlacesBefore, 47 PlacesAfterwards, 111 TransitionsBefore, 35 TransitionsAfterwards, 2446 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 6716 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p2_EAX = 0; [L703] 0 int __unbuffered_p2_EBX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff0_thd4; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$r_buff1_thd4; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L856] 0 pthread_t t213; [L857] FCALL, FORK 0 pthread_create(&t213, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t214; [L859] FCALL, FORK 0 pthread_create(&t214, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t215; [L861] FCALL, FORK 0 pthread_create(&t215, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t216; [L863] FCALL, FORK 0 pthread_create(&t216, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 1 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L7] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L816] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L817] 4 z$flush_delayed = weak$$choice2 [L818] 4 z$mem_tmp = z [L819] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L819] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L819] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L819] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L820] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L820] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0) [L820] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L820] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L821] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L821] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L822] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used) [L822] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L822] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L823] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L823] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L824] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L824] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L824] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L825] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L825] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L826] 4 __unbuffered_p3_EAX = z [L827] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L827] 4 z = z$flush_delayed ? z$mem_tmp : z [L828] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L756] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L778] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L779] 3 z$flush_delayed = weak$$choice2 [L780] 3 z$mem_tmp = z [L781] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L781] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L782] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L782] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L783] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L783] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L784] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L784] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L784] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L784] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L785] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L785] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L786] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L786] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L787] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L787] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L788] 3 __unbuffered_p2_EBX = z [L789] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L789] 3 z = z$flush_delayed ? z$mem_tmp : z [L790] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L834] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L835] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L836] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L837] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L837] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 4 return 0; [L764] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 2 return 0; [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L870] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L871] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L872] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L872] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L873] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L873] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 110 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 490 SDtfs, 597 SDslu, 1323 SDs, 0 SdLazy, 494 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4122occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 92 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 22654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...