/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-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix019_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:40:45,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:40:45,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:40:45,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:40:45,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:40:45,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:40:45,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:40:45,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:40:45,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:40:45,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:40:45,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:40:45,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:40:45,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:40:45,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:40:45,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:40:45,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:40:45,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:40:45,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:40:45,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:40:45,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:40:45,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:40:45,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:40:45,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:40:45,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:40:45,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:40:45,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:40:45,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:40:45,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:40:45,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:40:45,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:40:45,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:40:45,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:40:45,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:40:45,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:40:45,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:40:45,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:40:45,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:40:45,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:40:45,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:40:45,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:40:45,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:40:45,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:40:45,342 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:40:45,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:40:45,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:40:45,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:40:45,345 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:40:45,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:40:45,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:40:45,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:40:45,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:40:45,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:40:45,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:40:45,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:40:45,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:40:45,347 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:40:45,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:40:45,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:40:45,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:40:45,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:40:45,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:40:45,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:40:45,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:40:45,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:40:45,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:40:45,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:40:45,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:40:45,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:40:45,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:40:45,350 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:40:45,351 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:40:45,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:40:45,351 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:40:45,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:40:45,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:40:45,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:40:45,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:40:45,658 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:40:45,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_power.opt.i [2020-10-22 01:40:45,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ae5bb0c/9deead1d0fc8499dbfc7129c7de1587c/FLAG2f423ce47 [2020-10-22 01:40:46,189 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:40:46,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_power.opt.i [2020-10-22 01:40:46,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ae5bb0c/9deead1d0fc8499dbfc7129c7de1587c/FLAG2f423ce47 [2020-10-22 01:40:46,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ae5bb0c/9deead1d0fc8499dbfc7129c7de1587c [2020-10-22 01:40:46,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:40:46,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:40:46,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:40:46,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:40:46,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:40:46,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:40:46" (1/1) ... [2020-10-22 01:40:46,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e795c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:46, skipping insertion in model container [2020-10-22 01:40:46,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:40:46" (1/1) ... [2020-10-22 01:40:46,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:40:46,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:40:47,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:40:47,052 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:40:47,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:40:47,230 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:40:47,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47 WrapperNode [2020-10-22 01:40:47,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:40:47,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:40:47,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:40:47,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:40:47,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:40:47,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:40:47,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:40:47,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:40:47,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... [2020-10-22 01:40:47,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:40:47,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:40:47,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:40:47,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:40:47,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:40:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:40:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 01:40:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:40:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:40:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 01:40:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 01:40:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 01:40:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 01:40:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 01:40:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 01:40:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:40:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 01:40:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:40:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:40:47,454 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:40:49,939 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:40:49,939 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 01:40:49,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:40:49 BoogieIcfgContainer [2020-10-22 01:40:49,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:40:49,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:40:49,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:40:49,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:40:49,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:40:46" (1/3) ... [2020-10-22 01:40:49,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46baf129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:40:49, skipping insertion in model container [2020-10-22 01:40:49,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:40:47" (2/3) ... [2020-10-22 01:40:49,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46baf129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:40:49, skipping insertion in model container [2020-10-22 01:40:49,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:40:49" (3/3) ... [2020-10-22 01:40:49,950 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_power.opt.i [2020-10-22 01:40:49,962 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:40:49,962 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:40:49,970 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:40:49,971 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:40:50,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,006 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,007 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,007 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,017 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,017 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,018 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,018 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,046 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,046 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,048 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,095 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,097 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:40:50,099 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:40:50,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:40:50,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:40:50,135 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:40:50,135 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:40:50,136 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:40:50,136 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:40:50,136 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:40:50,136 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:40:50,136 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:40:50,151 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:40:50,152 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-22 01:40:50,155 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-22 01:40:50,158 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 102 transitions, 219 flow [2020-10-22 01:40:50,211 INFO L129 PetriNetUnfolder]: 3/99 cut-off events. [2020-10-22 01:40:50,211 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 01:40:50,216 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2020-10-22 01:40:50,219 INFO L116 LiptonReduction]: Number of co-enabled transitions 1734 [2020-10-22 01:40:50,773 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 01:40:51,177 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-22 01:40:53,244 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-22 01:40:53,444 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-22 01:40:53,462 INFO L131 LiptonReduction]: Checked pairs total: 4281 [2020-10-22 01:40:53,462 INFO L133 LiptonReduction]: Total number of compositions: 92 [2020-10-22 01:40:53,469 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2020-10-22 01:40:53,527 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 602 states. [2020-10-22 01:40:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2020-10-22 01:40:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:40:53,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:53,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:53,560 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:53,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:53,567 INFO L82 PathProgramCache]: Analyzing trace with hash 25758717, now seen corresponding path program 1 times [2020-10-22 01:40:53,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:53,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539861247] [2020-10-22 01:40:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:53,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539861247] [2020-10-22 01:40:53,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:53,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:40:53,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [277245438] [2020-10-22 01:40:53,837 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:53,841 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:53,856 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:40:53,857 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:40:53,860 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:40:53,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:40:53,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:40:53,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:40:53,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:40:53,881 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 3 states. [2020-10-22 01:40:53,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:40:53,948 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2020-10-22 01:40:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:40:53,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:40:53,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:40:53,969 INFO L225 Difference]: With dead ends: 522 [2020-10-22 01:40:53,969 INFO L226 Difference]: Without dead ends: 426 [2020-10-22 01:40:53,970 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 [2020-10-22 01:40:53,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-22 01:40:54,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-22 01:40:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-22 01:40:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1280 transitions. [2020-10-22 01:40:54,077 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1280 transitions. Word has length 7 [2020-10-22 01:40:54,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:40:54,078 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 1280 transitions. [2020-10-22 01:40:54,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:40:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1280 transitions. [2020-10-22 01:40:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:40:54,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:54,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:54,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:40:54,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:54,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:54,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1015663629, now seen corresponding path program 1 times [2020-10-22 01:40:54,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:54,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174971461] [2020-10-22 01:40:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:54,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174971461] [2020-10-22 01:40:54,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:54,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:40:54,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [455179385] [2020-10-22 01:40:54,190 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:54,192 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:54,193 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:40:54,193 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:40:54,194 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:40:54,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:40:54,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:40:54,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:40:54,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:40:54,196 INFO L87 Difference]: Start difference. First operand 426 states and 1280 transitions. Second operand 3 states. [2020-10-22 01:40:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:40:54,211 INFO L93 Difference]: Finished difference Result 394 states and 1168 transitions. [2020-10-22 01:40:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:40:54,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:40:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:40:54,216 INFO L225 Difference]: With dead ends: 394 [2020-10-22 01:40:54,216 INFO L226 Difference]: Without dead ends: 394 [2020-10-22 01:40:54,217 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 [2020-10-22 01:40:54,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-22 01:40:54,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-22 01:40:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-22 01:40:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1168 transitions. [2020-10-22 01:40:54,242 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1168 transitions. Word has length 9 [2020-10-22 01:40:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:40:54,243 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1168 transitions. [2020-10-22 01:40:54,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:40:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1168 transitions. [2020-10-22 01:40:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:40:54,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:54,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:54,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:40:54,246 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:54,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:54,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1095176891, now seen corresponding path program 1 times [2020-10-22 01:40:54,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:54,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471210026] [2020-10-22 01:40:54,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:54,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471210026] [2020-10-22 01:40:54,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:54,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:40:54,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1518488102] [2020-10-22 01:40:54,401 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:54,403 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:54,407 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:40:54,407 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:40:54,408 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:40:54,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:40:54,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:40:54,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:40:54,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:40:54,409 INFO L87 Difference]: Start difference. First operand 394 states and 1168 transitions. Second operand 3 states. [2020-10-22 01:40:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:40:54,420 INFO L93 Difference]: Finished difference Result 386 states and 1138 transitions. [2020-10-22 01:40:54,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:40:54,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-22 01:40:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:40:54,425 INFO L225 Difference]: With dead ends: 386 [2020-10-22 01:40:54,425 INFO L226 Difference]: Without dead ends: 386 [2020-10-22 01:40:54,425 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 [2020-10-22 01:40:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-22 01:40:54,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2020-10-22 01:40:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-22 01:40:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 1138 transitions. [2020-10-22 01:40:54,445 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 1138 transitions. Word has length 11 [2020-10-22 01:40:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:40:54,445 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 1138 transitions. [2020-10-22 01:40:54,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:40:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 1138 transitions. [2020-10-22 01:40:54,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:40:54,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:54,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:54,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:40:54,448 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:54,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:54,449 INFO L82 PathProgramCache]: Analyzing trace with hash -152992259, now seen corresponding path program 1 times [2020-10-22 01:40:54,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:54,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527413611] [2020-10-22 01:40:54,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:54,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527413611] [2020-10-22 01:40:54,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:54,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:40:54,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [106607760] [2020-10-22 01:40:54,571 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:54,575 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:54,579 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-10-22 01:40:54,580 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:40:54,688 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:40:54,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:40:54,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:40:54,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:40:54,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:40:54,690 INFO L87 Difference]: Start difference. First operand 386 states and 1138 transitions. Second operand 4 states. [2020-10-22 01:40:54,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:40:54,722 INFO L93 Difference]: Finished difference Result 371 states and 963 transitions. [2020-10-22 01:40:54,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:40:54,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 01:40:54,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:40:54,725 INFO L225 Difference]: With dead ends: 371 [2020-10-22 01:40:54,725 INFO L226 Difference]: Without dead ends: 275 [2020-10-22 01:40:54,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:40:54,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-22 01:40:54,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2020-10-22 01:40:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-10-22 01:40:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 694 transitions. [2020-10-22 01:40:54,736 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 694 transitions. Word has length 12 [2020-10-22 01:40:54,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:40:54,736 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 694 transitions. [2020-10-22 01:40:54,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:40:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 694 transitions. [2020-10-22 01:40:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:40:54,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:54,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:54,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:40:54,739 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:54,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:54,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1532036691, now seen corresponding path program 1 times [2020-10-22 01:40:54,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:54,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856745236] [2020-10-22 01:40:54,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:54,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856745236] [2020-10-22 01:40:54,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:54,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:40:54,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1182961495] [2020-10-22 01:40:54,897 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:54,901 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:54,908 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 26 transitions. [2020-10-22 01:40:54,908 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:40:55,281 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 3 [2020-10-22 01:40:55,760 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 3 [2020-10-22 01:40:55,792 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5971#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 01:40:55,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:40:55,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:40:55,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:40:55,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:40:55,793 INFO L87 Difference]: Start difference. First operand 275 states and 694 transitions. Second operand 6 states. [2020-10-22 01:40:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:40:55,842 INFO L93 Difference]: Finished difference Result 223 states and 513 transitions. [2020-10-22 01:40:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:40:55,843 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-22 01:40:55,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:40:55,844 INFO L225 Difference]: With dead ends: 223 [2020-10-22 01:40:55,844 INFO L226 Difference]: Without dead ends: 172 [2020-10-22 01:40:55,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:40:55,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-22 01:40:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-10-22 01:40:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-22 01:40:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 385 transitions. [2020-10-22 01:40:55,850 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 385 transitions. Word has length 14 [2020-10-22 01:40:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:40:55,851 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 385 transitions. [2020-10-22 01:40:55,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:40:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 385 transitions. [2020-10-22 01:40:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:40:55,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:55,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:55,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:40:55,853 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:55,853 INFO L82 PathProgramCache]: Analyzing trace with hash -2133367654, now seen corresponding path program 1 times [2020-10-22 01:40:55,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:55,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842075134] [2020-10-22 01:40:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:55,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842075134] [2020-10-22 01:40:55,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:55,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:40:55,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2140443125] [2020-10-22 01:40:55,920 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:55,925 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:55,969 INFO L252 McrAutomatonBuilder]: Finished intersection with 66 states and 126 transitions. [2020-10-22 01:40:55,969 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:40:56,414 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:40:56,982 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 3 [2020-10-22 01:40:57,724 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:40:58,539 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:40:58,971 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:40:59,448 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-22 01:40:59,456 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:40:59,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:40:59,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:40:59,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:40:59,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:40:59,458 INFO L87 Difference]: Start difference. First operand 172 states and 385 transitions. Second operand 3 states. [2020-10-22 01:40:59,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:40:59,478 INFO L93 Difference]: Finished difference Result 239 states and 516 transitions. [2020-10-22 01:40:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:40:59,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 01:40:59,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:40:59,480 INFO L225 Difference]: With dead ends: 239 [2020-10-22 01:40:59,480 INFO L226 Difference]: Without dead ends: 173 [2020-10-22 01:40:59,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:40:59,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-22 01:40:59,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2020-10-22 01:40:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-22 01:40:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 357 transitions. [2020-10-22 01:40:59,486 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 357 transitions. Word has length 17 [2020-10-22 01:40:59,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:40:59,486 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 357 transitions. [2020-10-22 01:40:59,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:40:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 357 transitions. [2020-10-22 01:40:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:40:59,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:40:59,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:40:59,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:40:59,488 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:40:59,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:40:59,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1313749606, now seen corresponding path program 1 times [2020-10-22 01:40:59,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:40:59,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358714190] [2020-10-22 01:40:59,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:40:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:40:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:40:59,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358714190] [2020-10-22 01:40:59,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:40:59,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:40:59,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [484044047] [2020-10-22 01:40:59,625 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:40:59,633 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:40:59,644 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 37 transitions. [2020-10-22 01:40:59,644 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:00,356 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:00,583 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 3 [2020-10-22 01:41:00,656 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7133#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 01:41:00,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:41:00,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:00,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:41:00,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:41:00,657 INFO L87 Difference]: Start difference. First operand 171 states and 357 transitions. Second operand 7 states. [2020-10-22 01:41:00,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:00,718 INFO L93 Difference]: Finished difference Result 153 states and 320 transitions. [2020-10-22 01:41:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:41:00,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 01:41:00,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:00,720 INFO L225 Difference]: With dead ends: 153 [2020-10-22 01:41:00,720 INFO L226 Difference]: Without dead ends: 93 [2020-10-22 01:41:00,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-22 01:41:00,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-22 01:41:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-22 01:41:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-22 01:41:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 185 transitions. [2020-10-22 01:41:00,724 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 185 transitions. Word has length 17 [2020-10-22 01:41:00,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:00,724 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 185 transitions. [2020-10-22 01:41:00,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:41:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2020-10-22 01:41:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:41:00,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:00,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:00,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:41:00,725 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:00,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:00,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1220311199, now seen corresponding path program 1 times [2020-10-22 01:41:00,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:00,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862177355] [2020-10-22 01:41:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:41:00,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862177355] [2020-10-22 01:41:00,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:00,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:41:00,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [63023842] [2020-10-22 01:41:00,791 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:00,796 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:00,824 INFO L252 McrAutomatonBuilder]: Finished intersection with 61 states and 102 transitions. [2020-10-22 01:41:00,824 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:01,488 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:02,049 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:02,360 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:41:02,598 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:02,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:41:02,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:02,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:41:02,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:41:02,600 INFO L87 Difference]: Start difference. First operand 93 states and 185 transitions. Second operand 4 states. [2020-10-22 01:41:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:02,615 INFO L93 Difference]: Finished difference Result 122 states and 238 transitions. [2020-10-22 01:41:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:41:02,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 01:41:02,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:02,616 INFO L225 Difference]: With dead ends: 122 [2020-10-22 01:41:02,617 INFO L226 Difference]: Without dead ends: 42 [2020-10-22 01:41:02,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:41:02,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-22 01:41:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-22 01:41:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-22 01:41:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 68 transitions. [2020-10-22 01:41:02,619 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 68 transitions. Word has length 20 [2020-10-22 01:41:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:02,619 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 68 transitions. [2020-10-22 01:41:02,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:41:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-10-22 01:41:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:41:02,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:02,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:02,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:41:02,620 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:02,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:02,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1398867431, now seen corresponding path program 2 times [2020-10-22 01:41:02,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:02,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125961000] [2020-10-22 01:41:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:02,950 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-22 01:41:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:41:03,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125961000] [2020-10-22 01:41:03,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:03,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-22 01:41:03,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2060676168] [2020-10-22 01:41:03,256 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:03,260 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:03,279 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2020-10-22 01:41:03,280 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:03,548 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:03,551 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 01:41:03,553 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:03,555 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:03,568 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-22 01:41:03,569 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:03,570 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 01:41:03,571 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:03,572 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-22 01:41:03,572 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:03,849 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-10-22 01:41:04,028 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [7702#(and (or (= ~__unbuffered_p2_EAX~0 0) (= ~__unbuffered_p1_EAX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p1_EAX~0 1)) (<= 1 ~__unbuffered_cnt~0) (<= ~__unbuffered_cnt~0 1)), 7703#(and (or (= ~__unbuffered_p2_EAX~0 0) (= ~__unbuffered_p1_EAX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p1_EAX~0 1)) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0)), 7704#(and (or (= ~__unbuffered_p2_EAX~0 0) (= (mod ~y$w_buff0_used~0 256) 0) (= ~y$w_buff0~0 1) (= ~y$w_buff0~0 ~__unbuffered_p2_EAX~0)) (or (= ~__unbuffered_p2_EAX~0 0) (and (not (= 0 (mod ~y$r_buff0_thd3~0 256))) (not (= (mod ~y$w_buff0_used~0 256) 0))) (and (or (= ~y~0 1) (= ~y~0 ~__unbuffered_p2_EAX~0)) (or (= (mod ~y$r_buff1_thd3~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0)) (<= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (<= 0 (div ~y$w_buff0_used~0 256)))) (= ~__unbuffered_cnt~0 0))] [2020-10-22 01:41:04,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-22 01:41:04,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:04,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-22 01:41:04,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:41:04,029 INFO L87 Difference]: Start difference. First operand 42 states and 68 transitions. Second operand 14 states. [2020-10-22 01:41:04,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:04,739 INFO L93 Difference]: Finished difference Result 56 states and 88 transitions. [2020-10-22 01:41:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 01:41:04,744 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 20 [2020-10-22 01:41:04,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:04,745 INFO L225 Difference]: With dead ends: 56 [2020-10-22 01:41:04,745 INFO L226 Difference]: Without dead ends: 34 [2020-10-22 01:41:04,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-10-22 01:41:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-22 01:41:04,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-22 01:41:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-22 01:41:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-10-22 01:41:04,747 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 20 [2020-10-22 01:41:04,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:04,747 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-10-22 01:41:04,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-22 01:41:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-10-22 01:41:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:41:04,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:04,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:04,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:41:04,748 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:04,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:04,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1786048999, now seen corresponding path program 3 times [2020-10-22 01:41:04,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:04,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254289590] [2020-10-22 01:41:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:41:04,799 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:41:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:41:04,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:41:04,893 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:41:04,893 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:41:04,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 01:41:04,894 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 01:41:04,911 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1188] [1188] L3-->L857: Formula: (let ((.cse7 (= (mod ~y$w_buff0_used~0_In-1772296630 256) 0)) (.cse6 (= (mod ~y$r_buff0_thd0~0_In-1772296630 256) 0)) (.cse8 (= (mod ~y$r_buff1_thd0~0_In-1772296630 256) 0)) (.cse9 (= (mod ~y$w_buff1_used~0_In-1772296630 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse5 (or .cse7 .cse6)) (.cse3 (not .cse7)) (.cse4 (not .cse6))) (and (or (and .cse0 (= ~y$w_buff1_used~0_Out-1772296630 ~y$w_buff1_used~0_In-1772296630)) (and .cse1 .cse2 (= ~y$w_buff1_used~0_Out-1772296630 0))) (= ~y$r_buff0_thd0~0_Out-1772296630 ~y$r_buff0_thd0~0_In-1772296630) (or (and (= ~y$w_buff0~0_In-1772296630 ~y~0_Out-1772296630) .cse3 .cse4) (and .cse5 (or (and .cse1 .cse2 (= ~y$w_buff1~0_In-1772296630 ~y~0_Out-1772296630)) (and .cse0 (= ~y~0_In-1772296630 ~y~0_Out-1772296630))))) (or (and (= ~y$w_buff0_used~0_In-1772296630 ~y$w_buff0_used~0_Out-1772296630) .cse5) (and (= ~y$w_buff0_used~0_Out-1772296630 0) .cse3 .cse4)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In-1772296630 0)) (= ~y$r_buff1_thd0~0_In-1772296630 ~y$r_buff1_thd0~0_Out-1772296630)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-1772296630, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1772296630, ~y$w_buff1~0=~y$w_buff1~0_In-1772296630, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1772296630, ~y$w_buff0~0=~y$w_buff0~0_In-1772296630, ~y~0=~y~0_In-1772296630, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1772296630, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1772296630} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-1772296630, ULTIMATE.start_main_#t~ite64=|ULTIMATE.start_main_#t~ite64_Out-1772296630|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out-1772296630|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out-1772296630|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out-1772296630|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-1772296630|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-1772296630|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-1772296630, ~y$w_buff1~0=~y$w_buff1~0_In-1772296630, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-1772296630, ~y$w_buff0~0=~y$w_buff0~0_In-1772296630, ~y~0=~y~0_Out-1772296630, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-1772296630, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-1772296630} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ~y~0, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite64, ULTIMATE.start_main_#t~ite65, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-22 01:41:04,923 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,923 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [787] [2020-10-22 01:41:04,924 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,925 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,925 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,925 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,926 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,926 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,926 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,926 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,926 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,926 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,927 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,927 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,927 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,927 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,928 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,928 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,928 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,928 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,928 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,928 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,929 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,929 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,929 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,929 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,929 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,929 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,930 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,930 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,930 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,931 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,934 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,935 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,935 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,935 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,935 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,935 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,936 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,936 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,936 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,936 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,936 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,936 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,936 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,937 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,937 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,937 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,937 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,937 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,937 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,938 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,939 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,939 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,940 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,940 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,940 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,940 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,940 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,940 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:04,941 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:41:04,941 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:05,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:41:05 BasicIcfg [2020-10-22 01:41:05,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:41:05,048 INFO L168 Benchmark]: Toolchain (without parser) took 18577.27 ms. Allocated memory was 140.5 MB in the beginning and 378.0 MB in the end (delta: 237.5 MB). Free memory was 102.0 MB in the beginning and 257.7 MB in the end (delta: -155.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:05,049 INFO L168 Benchmark]: CDTParser took 3.07 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 01:41:05,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.55 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 153.9 MB in the end (delta: -52.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:05,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.04 ms. Allocated memory is still 203.9 MB. Free memory was 153.9 MB in the beginning and 151.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:05,054 INFO L168 Benchmark]: Boogie Preprocessor took 42.19 ms. Allocated memory is still 203.9 MB. Free memory was 151.1 MB in the beginning and 148.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:05,055 INFO L168 Benchmark]: RCFGBuilder took 2598.33 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 148.4 MB in the beginning and 110.3 MB in the end (delta: 38.1 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:05,056 INFO L168 Benchmark]: TraceAbstraction took 15103.61 ms. Allocated memory was 247.5 MB in the beginning and 378.0 MB in the end (delta: 130.5 MB). Free memory was 110.3 MB in the beginning and 257.7 MB in the end (delta: -147.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-22 01:41:05,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.07 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.55 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 153.9 MB in the end (delta: -52.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.04 ms. Allocated memory is still 203.9 MB. Free memory was 153.9 MB in the beginning and 151.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.19 ms. Allocated memory is still 203.9 MB. Free memory was 151.1 MB in the beginning and 148.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2598.33 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 148.4 MB in the beginning and 110.3 MB in the end (delta: 38.1 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15103.61 ms. Allocated memory was 247.5 MB in the beginning and 378.0 MB in the end (delta: 130.5 MB). Free memory was 110.3 MB in the beginning and 257.7 MB in the end (delta: -147.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 938 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 71 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 109 PlacesBefore, 35 PlacesAfterwards, 102 TransitionsBefore, 25 TransitionsAfterwards, 1734 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 92 TotalNumberOfCompositions, 4281 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L841] 0 pthread_t t500; [L842] FCALL, FORK 0 pthread_create(&t500, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L843] 0 pthread_t t501; [L844] FCALL, FORK 0 pthread_create(&t501, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] 0 pthread_t t502; [L846] FCALL, FORK 0 pthread_create(&t502, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 y$w_buff1 = y$w_buff0 [L789] 3 y$w_buff0 = 1 [L790] 3 y$w_buff1_used = y$w_buff0_used [L791] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L793] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L794] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L795] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L796] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L797] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 y$flush_delayed = weak$$choice2 [L803] 3 y$mem_tmp = y [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L804] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L805] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L805] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L805] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L805] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L806] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L806] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L807] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L807] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L809] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L809] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L810] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EAX = y [L812] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L812] 3 y = y$flush_delayed ? y$mem_tmp : y [L813] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L745] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L760] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L763] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 2 y$flush_delayed = weak$$choice2 [L766] 2 y$mem_tmp = y [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 __unbuffered_p1_EAX = y [L775] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L775] 2 y = y$flush_delayed ? y$mem_tmp : y [L776] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 2 return 0; [L819] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L819] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L820] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L820] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L821] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L822] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L823] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L859] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix019_power.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 191 SDtfs, 238 SDslu, 325 SDs, 0 SdLazy, 284 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 97 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 11767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...