/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:04:49,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:04:49,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:04:49,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:04:49,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:04:49,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:04:49,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:04:49,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:04:49,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:04:49,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:04:49,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:04:49,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:04:49,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:04:49,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:04:49,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:04:49,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:04:49,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:04:49,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:04:49,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:04:49,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:04:49,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:04:49,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:04:49,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:04:49,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:04:49,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:04:49,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:04:49,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:04:49,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:04:49,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:04:49,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:04:49,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:04:49,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:04:49,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:04:49,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:04:49,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:04:49,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:04:49,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:04:49,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:04:49,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:04:49,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:04:49,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:04:49,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:04:49,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:04:49,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:04:49,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:04:49,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:04:49,106 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:04:49,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:04:49,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:04:49,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:04:49,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:04:49,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:04:49,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:04:49,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:04:49,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:04:49,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:04:49,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:04:49,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:04:49,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:04:49,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:04:49,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:04:49,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:04:49,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:04:49,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:04:49,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:04:49,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:04:49,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:04:49,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:04:49,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:04:49,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:04:49,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:04:49,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:04:49,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:04:49,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:04:49,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:04:49,464 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:04:49,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_pso.opt.i [2020-10-21 23:04:49,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72413202e/37c16c51fc0748bea2610f8e3a6751d3/FLAGb5307b759 [2020-10-21 23:04:50,085 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:04:50,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_pso.opt.i [2020-10-21 23:04:50,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72413202e/37c16c51fc0748bea2610f8e3a6751d3/FLAGb5307b759 [2020-10-21 23:04:50,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72413202e/37c16c51fc0748bea2610f8e3a6751d3 [2020-10-21 23:04:50,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:04:50,445 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:04:50,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:04:50,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:04:50,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:04:50,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:04:50" (1/1) ... [2020-10-21 23:04:50,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2108495e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:50, skipping insertion in model container [2020-10-21 23:04:50,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:04:50" (1/1) ... [2020-10-21 23:04:50,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:04:50,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:04:51,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:04:51,076 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:04:51,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:04:51,234 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:04:51,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51 WrapperNode [2020-10-21 23:04:51,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:04:51,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:04:51,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:04:51,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:04:51,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:04:51,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:04:51,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:04:51,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:04:51,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (1/1) ... [2020-10-21 23:04:51,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:04:51,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:04:51,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:04:51,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:04:51,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (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 [2020-10-21 23:04:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:04:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:04:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:04:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:04:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:04:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:04:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:04:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:04:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:04:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:04:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:04:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:04:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:04:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:04:51,444 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:04:53,484 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:04:53,485 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:04:53,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:04:53 BoogieIcfgContainer [2020-10-21 23:04:53,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:04:53,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:04:53,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:04:53,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:04:53,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:04:50" (1/3) ... [2020-10-21 23:04:53,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46424fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:04:53, skipping insertion in model container [2020-10-21 23:04:53,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:04:51" (2/3) ... [2020-10-21 23:04:53,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46424fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:04:53, skipping insertion in model container [2020-10-21 23:04:53,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:04:53" (3/3) ... [2020-10-21 23:04:53,497 INFO L111 eAbstractionObserver]: Analyzing ICFG safe005_pso.opt.i [2020-10-21 23:04:53,511 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:04:53,511 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:04:53,521 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:04:53,522 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:04:53,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,556 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,557 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,569 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,572 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,572 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,580 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,588 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,588 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,589 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,589 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,589 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,589 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,590 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,596 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,599 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,599 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:04:53,601 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:04:53,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 23:04:53,643 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:04:53,643 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:04:53,643 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:04:53,643 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:04:53,644 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:04:53,644 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:04:53,644 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:04:53,644 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:04:53,660 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:04:53,661 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 101 transitions, 217 flow [2020-10-21 23:04:53,664 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 101 transitions, 217 flow [2020-10-21 23:04:53,666 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 101 transitions, 217 flow [2020-10-21 23:04:53,717 INFO L129 PetriNetUnfolder]: 3/98 cut-off events. [2020-10-21 23:04:53,718 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:04:53,723 INFO L80 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 3/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2020-10-21 23:04:53,727 INFO L116 LiptonReduction]: Number of co-enabled transitions 1754 [2020-10-21 23:04:54,389 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 23:04:54,510 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-21 23:04:56,021 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-10-21 23:04:56,256 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-21 23:04:56,392 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-21 23:04:56,853 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-21 23:04:57,082 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-21 23:04:57,101 INFO L131 LiptonReduction]: Checked pairs total: 4885 [2020-10-21 23:04:57,101 INFO L133 LiptonReduction]: Total number of compositions: 91 [2020-10-21 23:04:57,111 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 27 transitions, 69 flow [2020-10-21 23:04:57,223 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 778 states. [2020-10-21 23:04:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states. [2020-10-21 23:04:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 23:04:57,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:57,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 23:04:57,262 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:57,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash 961058307, now seen corresponding path program 1 times [2020-10-21 23:04:57,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:57,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189233363] [2020-10-21 23:04:57,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:57,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189233363] [2020-10-21 23:04:57,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:57,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:04:57,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229487580] [2020-10-21 23:04:57,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:04:57,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:57,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:04:57,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:04:57,670 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 3 states. [2020-10-21 23:04:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:57,763 INFO L93 Difference]: Finished difference Result 650 states and 2028 transitions. [2020-10-21 23:04:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:04:57,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 23:04:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:57,787 INFO L225 Difference]: With dead ends: 650 [2020-10-21 23:04:57,787 INFO L226 Difference]: Without dead ends: 550 [2020-10-21 23:04:57,789 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 [2020-10-21 23:04:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-10-21 23:04:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2020-10-21 23:04:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-21 23:04:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1693 transitions. [2020-10-21 23:04:57,915 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1693 transitions. Word has length 5 [2020-10-21 23:04:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:57,916 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1693 transitions. [2020-10-21 23:04:57,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:04:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1693 transitions. [2020-10-21 23:04:57,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 23:04:57,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:57,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:57,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:04:57,920 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:57,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:57,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1422403455, now seen corresponding path program 1 times [2020-10-21 23:04:57,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:57,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065318803] [2020-10-21 23:04:57,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:58,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065318803] [2020-10-21 23:04:58,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:58,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:04:58,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898119779] [2020-10-21 23:04:58,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:58,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:58,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:58,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:58,130 INFO L87 Difference]: Start difference. First operand 550 states and 1693 transitions. Second operand 4 states. [2020-10-21 23:04:58,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:58,177 INFO L93 Difference]: Finished difference Result 570 states and 1684 transitions. [2020-10-21 23:04:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:58,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-21 23:04:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:58,188 INFO L225 Difference]: With dead ends: 570 [2020-10-21 23:04:58,189 INFO L226 Difference]: Without dead ends: 470 [2020-10-21 23:04:58,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-10-21 23:04:58,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2020-10-21 23:04:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-21 23:04:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1409 transitions. [2020-10-21 23:04:58,237 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1409 transitions. Word has length 10 [2020-10-21 23:04:58,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:58,239 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 1409 transitions. [2020-10-21 23:04:58,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1409 transitions. [2020-10-21 23:04:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:04:58,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:58,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:58,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:04:58,249 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:58,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:58,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2133792037, now seen corresponding path program 1 times [2020-10-21 23:04:58,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:58,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425721214] [2020-10-21 23:04:58,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:58,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425721214] [2020-10-21 23:04:58,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:58,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:04:58,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965304437] [2020-10-21 23:04:58,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:58,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:58,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:58,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:58,370 INFO L87 Difference]: Start difference. First operand 470 states and 1409 transitions. Second operand 4 states. [2020-10-21 23:04:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:58,413 INFO L93 Difference]: Finished difference Result 518 states and 1504 transitions. [2020-10-21 23:04:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:58,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-21 23:04:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:58,418 INFO L225 Difference]: With dead ends: 518 [2020-10-21 23:04:58,418 INFO L226 Difference]: Without dead ends: 458 [2020-10-21 23:04:58,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:58,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-10-21 23:04:58,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2020-10-21 23:04:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-21 23:04:58,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1365 transitions. [2020-10-21 23:04:58,435 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1365 transitions. Word has length 12 [2020-10-21 23:04:58,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:58,436 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 1365 transitions. [2020-10-21 23:04:58,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1365 transitions. [2020-10-21 23:04:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:04:58,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:58,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:58,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:04:58,439 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:58,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:58,440 INFO L82 PathProgramCache]: Analyzing trace with hash -612272243, now seen corresponding path program 1 times [2020-10-21 23:04:58,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:58,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40766543] [2020-10-21 23:04:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:58,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40766543] [2020-10-21 23:04:58,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:58,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:04:58,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481044710] [2020-10-21 23:04:58,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:58,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:58,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:58,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:58,524 INFO L87 Difference]: Start difference. First operand 458 states and 1365 transitions. Second operand 5 states. [2020-10-21 23:04:58,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:58,607 INFO L93 Difference]: Finished difference Result 953 states and 2763 transitions. [2020-10-21 23:04:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:04:58,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 23:04:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:58,612 INFO L225 Difference]: With dead ends: 953 [2020-10-21 23:04:58,612 INFO L226 Difference]: Without dead ends: 593 [2020-10-21 23:04:58,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:04:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-21 23:04:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 458. [2020-10-21 23:04:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-21 23:04:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1323 transitions. [2020-10-21 23:04:58,631 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1323 transitions. Word has length 13 [2020-10-21 23:04:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:58,631 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 1323 transitions. [2020-10-21 23:04:58,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1323 transitions. [2020-10-21 23:04:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:04:58,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:58,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:58,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:04:58,634 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:58,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:58,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1697172441, now seen corresponding path program 2 times [2020-10-21 23:04:58,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:58,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658068394] [2020-10-21 23:04:58,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:58,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:58,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658068394] [2020-10-21 23:04:58,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:58,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:58,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223583341] [2020-10-21 23:04:58,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:58,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:58,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:58,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:58,744 INFO L87 Difference]: Start difference. First operand 458 states and 1323 transitions. Second operand 5 states. [2020-10-21 23:04:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:58,812 INFO L93 Difference]: Finished difference Result 584 states and 1671 transitions. [2020-10-21 23:04:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:58,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 23:04:58,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:58,816 INFO L225 Difference]: With dead ends: 584 [2020-10-21 23:04:58,816 INFO L226 Difference]: Without dead ends: 350 [2020-10-21 23:04:58,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:58,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-10-21 23:04:58,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2020-10-21 23:04:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-21 23:04:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 975 transitions. [2020-10-21 23:04:58,828 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 975 transitions. Word has length 13 [2020-10-21 23:04:58,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:58,829 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 975 transitions. [2020-10-21 23:04:58,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 975 transitions. [2020-10-21 23:04:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:04:58,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:58,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:58,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:04:58,831 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:58,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:58,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1124631929, now seen corresponding path program 1 times [2020-10-21 23:04:58,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:58,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848978932] [2020-10-21 23:04:58,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:58,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848978932] [2020-10-21 23:04:58,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:58,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:58,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895239037] [2020-10-21 23:04:58,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:58,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:58,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:58,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:58,960 INFO L87 Difference]: Start difference. First operand 350 states and 975 transitions. Second operand 5 states. [2020-10-21 23:04:59,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:59,010 INFO L93 Difference]: Finished difference Result 548 states and 1527 transitions. [2020-10-21 23:04:59,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:59,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-21 23:04:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:59,013 INFO L225 Difference]: With dead ends: 548 [2020-10-21 23:04:59,014 INFO L226 Difference]: Without dead ends: 344 [2020-10-21 23:04:59,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-21 23:04:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2020-10-21 23:04:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-21 23:04:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 953 transitions. [2020-10-21 23:04:59,026 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 953 transitions. Word has length 14 [2020-10-21 23:04:59,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:59,026 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 953 transitions. [2020-10-21 23:04:59,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 953 transitions. [2020-10-21 23:04:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:04:59,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:59,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:59,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:04:59,028 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:59,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:59,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1510861615, now seen corresponding path program 2 times [2020-10-21 23:04:59,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:59,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331176696] [2020-10-21 23:04:59,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:59,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331176696] [2020-10-21 23:04:59,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:59,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:59,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511722074] [2020-10-21 23:04:59,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:59,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:59,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:59,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:59,134 INFO L87 Difference]: Start difference. First operand 344 states and 953 transitions. Second operand 4 states. [2020-10-21 23:04:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:59,173 INFO L93 Difference]: Finished difference Result 470 states and 1274 transitions. [2020-10-21 23:04:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:59,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 23:04:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:59,176 INFO L225 Difference]: With dead ends: 470 [2020-10-21 23:04:59,176 INFO L226 Difference]: Without dead ends: 200 [2020-10-21 23:04:59,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:59,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-21 23:04:59,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-10-21 23:04:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-21 23:04:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 533 transitions. [2020-10-21 23:04:59,184 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 533 transitions. Word has length 14 [2020-10-21 23:04:59,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:59,184 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 533 transitions. [2020-10-21 23:04:59,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 533 transitions. [2020-10-21 23:04:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:04:59,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:59,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:59,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:04:59,185 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:59,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:59,186 INFO L82 PathProgramCache]: Analyzing trace with hash 382058925, now seen corresponding path program 1 times [2020-10-21 23:04:59,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:59,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280395092] [2020-10-21 23:04:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:59,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280395092] [2020-10-21 23:04:59,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:59,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:59,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791941153] [2020-10-21 23:04:59,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:59,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:59,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:59,295 INFO L87 Difference]: Start difference. First operand 200 states and 533 transitions. Second operand 4 states. [2020-10-21 23:04:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:59,335 INFO L93 Difference]: Finished difference Result 192 states and 446 transitions. [2020-10-21 23:04:59,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:59,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 23:04:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:59,337 INFO L225 Difference]: With dead ends: 192 [2020-10-21 23:04:59,337 INFO L226 Difference]: Without dead ends: 148 [2020-10-21 23:04:59,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:59,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-21 23:04:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-21 23:04:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-21 23:04:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 341 transitions. [2020-10-21 23:04:59,342 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 341 transitions. Word has length 15 [2020-10-21 23:04:59,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:59,343 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 341 transitions. [2020-10-21 23:04:59,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 341 transitions. [2020-10-21 23:04:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:04:59,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:59,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:59,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:04:59,344 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:59,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:59,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1134931214, now seen corresponding path program 1 times [2020-10-21 23:04:59,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:59,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465406043] [2020-10-21 23:04:59,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:59,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465406043] [2020-10-21 23:04:59,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:59,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:04:59,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914074059] [2020-10-21 23:04:59,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:59,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:59,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:59,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:59,426 INFO L87 Difference]: Start difference. First operand 148 states and 341 transitions. Second operand 5 states. [2020-10-21 23:04:59,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:59,469 INFO L93 Difference]: Finished difference Result 114 states and 224 transitions. [2020-10-21 23:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:04:59,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-21 23:04:59,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:59,470 INFO L225 Difference]: With dead ends: 114 [2020-10-21 23:04:59,471 INFO L226 Difference]: Without dead ends: 88 [2020-10-21 23:04:59,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:04:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-21 23:04:59,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-21 23:04:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-21 23:04:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 165 transitions. [2020-10-21 23:04:59,475 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 165 transitions. Word has length 17 [2020-10-21 23:04:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:59,475 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 165 transitions. [2020-10-21 23:04:59,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 165 transitions. [2020-10-21 23:04:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:04:59,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:59,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:59,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:04:59,477 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:59,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:59,477 INFO L82 PathProgramCache]: Analyzing trace with hash -280439418, now seen corresponding path program 1 times [2020-10-21 23:04:59,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:59,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322275965] [2020-10-21 23:04:59,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:59,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322275965] [2020-10-21 23:04:59,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:59,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:04:59,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251696801] [2020-10-21 23:04:59,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:04:59,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:59,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:04:59,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:04:59,577 INFO L87 Difference]: Start difference. First operand 88 states and 165 transitions. Second operand 6 states. [2020-10-21 23:04:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:59,626 INFO L93 Difference]: Finished difference Result 70 states and 127 transitions. [2020-10-21 23:04:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:04:59,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-21 23:04:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:59,627 INFO L225 Difference]: With dead ends: 70 [2020-10-21 23:04:59,627 INFO L226 Difference]: Without dead ends: 62 [2020-10-21 23:04:59,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-21 23:04:59,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-21 23:04:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-21 23:04:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 113 transitions. [2020-10-21 23:04:59,630 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 113 transitions. Word has length 19 [2020-10-21 23:04:59,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:59,630 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 113 transitions. [2020-10-21 23:04:59,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:04:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2020-10-21 23:04:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:04:59,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:59,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:59,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:04:59,632 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:59,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:59,632 INFO L82 PathProgramCache]: Analyzing trace with hash 971885777, now seen corresponding path program 1 times [2020-10-21 23:04:59,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:59,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70641510] [2020-10-21 23:04:59,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:59,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70641510] [2020-10-21 23:04:59,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:59,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:04:59,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420949890] [2020-10-21 23:04:59,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:04:59,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:59,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:04:59,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:04:59,891 INFO L87 Difference]: Start difference. First operand 62 states and 113 transitions. Second operand 8 states. [2020-10-21 23:05:00,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:05:00,025 INFO L93 Difference]: Finished difference Result 85 states and 152 transitions. [2020-10-21 23:05:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:05:00,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-10-21 23:05:00,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:05:00,027 INFO L225 Difference]: With dead ends: 85 [2020-10-21 23:05:00,027 INFO L226 Difference]: Without dead ends: 50 [2020-10-21 23:05:00,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:05:00,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-21 23:05:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-21 23:05:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-21 23:05:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 85 transitions. [2020-10-21 23:05:00,030 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 85 transitions. Word has length 21 [2020-10-21 23:05:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:05:00,030 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 85 transitions. [2020-10-21 23:05:00,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:05:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2020-10-21 23:05:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:05:00,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:05:00,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:05:00,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:05:00,031 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:05:00,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:05:00,032 INFO L82 PathProgramCache]: Analyzing trace with hash -784334831, now seen corresponding path program 2 times [2020-10-21 23:05:00,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:05:00,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853768663] [2020-10-21 23:05:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:05:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:05:00,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:05:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:05:00,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:05:00,170 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:05:00,171 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:05:00,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:05:00,203 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,203 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,203 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,204 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [773] [2020-10-21 23:05:00,205 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,205 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,205 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,205 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,205 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,206 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,206 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,206 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,206 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,206 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,207 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,207 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,207 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,208 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,208 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,208 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,208 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,208 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,209 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,209 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,209 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,209 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,209 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,210 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,210 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,210 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,210 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,210 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,211 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,211 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,212 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,212 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,212 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,212 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,212 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,213 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,213 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,213 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,214 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,214 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,214 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,214 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,214 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,215 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,215 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,216 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:05:00,216 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:05:00,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:05:00 BasicIcfg [2020-10-21 23:05:00,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:05:00,294 INFO L168 Benchmark]: Toolchain (without parser) took 9855.03 ms. Allocated memory was 143.7 MB in the beginning and 349.2 MB in the end (delta: 205.5 MB). Free memory was 97.4 MB in the beginning and 129.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,295 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 143.7 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.33 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 96.5 MB in the beginning and 152.3 MB in the end (delta: -55.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.08 ms. Allocated memory is still 199.8 MB. Free memory was 152.3 MB in the beginning and 149.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,297 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 ms. Allocated memory is still 199.8 MB. Free memory was 149.5 MB in the beginning and 146.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,298 INFO L168 Benchmark]: RCFGBuilder took 2140.24 ms. Allocated memory was 199.8 MB in the beginning and 254.8 MB in the end (delta: 55.1 MB). Free memory was 146.7 MB in the beginning and 197.0 MB in the end (delta: -50.3 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,299 INFO L168 Benchmark]: TraceAbstraction took 6803.12 ms. Allocated memory was 254.8 MB in the beginning and 349.2 MB in the end (delta: 94.4 MB). Free memory was 197.0 MB in the beginning and 129.2 MB in the end (delta: 67.8 MB). Peak memory consumption was 162.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:05:00,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 143.7 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.33 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 96.5 MB in the beginning and 152.3 MB in the end (delta: -55.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.08 ms. Allocated memory is still 199.8 MB. Free memory was 152.3 MB in the beginning and 149.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.26 ms. Allocated memory is still 199.8 MB. Free memory was 149.5 MB in the beginning and 146.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2140.24 ms. Allocated memory was 199.8 MB in the beginning and 254.8 MB in the end (delta: 55.1 MB). Free memory was 146.7 MB in the beginning and 197.0 MB in the end (delta: -50.3 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6803.12 ms. Allocated memory was 254.8 MB in the beginning and 349.2 MB in the end (delta: 94.4 MB). Free memory was 197.0 MB in the beginning and 129.2 MB in the end (delta: 67.8 MB). Peak memory consumption was 162.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 933 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 77 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 108 PlacesBefore, 36 PlacesAfterwards, 101 TransitionsBefore, 27 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 91 TotalNumberOfCompositions, 4885 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L831] 0 pthread_t t1906; [L832] FCALL, FORK 0 pthread_create(&t1906, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L833] 0 pthread_t t1907; [L834] FCALL, FORK 0 pthread_create(&t1907, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L835] 0 pthread_t t1908; [L836] FCALL, FORK 0 pthread_create(&t1908, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L19] COND TRUE 2 !expression [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "safe005_pso.opt.c", 9, __extension__ __PRETTY_FUNCTION__) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L786] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L803] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_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$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L806] 3 __unbuffered_p2_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L810] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L811] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L812] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L813] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L744] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EAX = x [L761] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L798] 2 return 0; [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L818] 3 return 0; [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L843] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L844] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L845] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L846] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L849] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "safe005_pso.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.5s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 309 SDtfs, 298 SDslu, 545 SDs, 0 SdLazy, 219 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=778occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 135 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 8114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...