/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/mix017_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:59:26,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:59:26,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:59:26,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:59:26,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:59:26,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:59:26,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:59:26,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:59:26,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:59:26,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:59:26,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:59:26,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:59:26,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:59:26,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:59:26,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:59:26,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:59:26,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:59:26,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:59:26,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:59:26,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:59:26,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:59:26,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:59:26,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:59:26,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:59:26,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 11:59:26,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:59:26,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:59:26,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:59:26,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:59:26,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:59:26,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:59:26,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:59:26,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:59:26,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:59:26,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:59:26,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:59:26,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:59:26,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:59:26,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:59:26,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:59:26,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:59:26,184 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:59:26,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:59:26,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:59:26,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:59:26,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:59:26,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:59:26,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:59:26,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:59:26,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:59:26,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:59:26,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:59:26,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:59:26,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:59:26,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:59:26,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:59:26,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:59:26,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:59:26,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:59:26,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:59:26,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:59:26,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:59:26,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:59:26,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:59:26,190 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:59:26,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:59:26,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:59:26,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:59:26,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:59:26,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:59:26,520 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:59:26,520 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_rmo.opt.i [2020-10-16 11:59:26,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8d6ab60f/61c162c9ab6f48429c79c97213e4fa79/FLAG6a277743d [2020-10-16 11:59:27,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:59:27,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix017_rmo.opt.i [2020-10-16 11:59:27,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8d6ab60f/61c162c9ab6f48429c79c97213e4fa79/FLAG6a277743d [2020-10-16 11:59:27,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8d6ab60f/61c162c9ab6f48429c79c97213e4fa79 [2020-10-16 11:59:27,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:59:27,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:59:27,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:59:27,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:59:27,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:59:27,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:59:27" (1/1) ... [2020-10-16 11:59:27,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d27174f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:27, skipping insertion in model container [2020-10-16 11:59:27,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:59:27" (1/1) ... [2020-10-16 11:59:27,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:59:27,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:59:28,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:59:28,108 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:59:28,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:59:28,269 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:59:28,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28 WrapperNode [2020-10-16 11:59:28,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:59:28,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:59:28,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:59:28,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:59:28,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:59:28,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:59:28,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:59:28,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:59:28,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... [2020-10-16 11:59:28,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:59:28,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:59:28,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:59:28,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:59:28,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:59:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:59:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:59:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:59:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:59:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:59:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:59:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:59:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:59:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 11:59:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 11:59:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 11:59:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 11:59:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:59:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:59:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:59:28,481 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:59:30,464 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:59:30,464 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 11:59:30,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:59:30 BoogieIcfgContainer [2020-10-16 11:59:30,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:59:30,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:59:30,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:59:30,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:59:30,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:59:27" (1/3) ... [2020-10-16 11:59:30,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce6442d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:59:30, skipping insertion in model container [2020-10-16 11:59:30,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:28" (2/3) ... [2020-10-16 11:59:30,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce6442d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:59:30, skipping insertion in model container [2020-10-16 11:59:30,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:59:30" (3/3) ... [2020-10-16 11:59:30,475 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_rmo.opt.i [2020-10-16 11:59:30,487 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:59:30,488 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:59:30,496 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:59:30,498 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:59:30,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,555 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,555 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,557 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,557 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,568 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,569 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,569 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,569 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,570 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,573 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,573 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,582 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,585 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,585 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,589 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,590 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,594 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,598 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:59:30,605 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:59:30,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 11:59:30,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:59:30,648 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:59:30,648 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:59:30,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:59:30,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:59:30,649 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:59:30,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:59:30,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:59:30,670 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:59:30,671 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-16 11:59:30,674 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-16 11:59:30,676 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2020-10-16 11:59:30,752 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-16 11:59:30,753 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:59:30,760 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-16 11:59:30,768 INFO L117 LiptonReduction]: Number of co-enabled transitions 2456 [2020-10-16 11:59:31,406 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 11:59:32,014 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-16 11:59:33,135 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-16 11:59:33,594 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-16 11:59:33,713 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-16 11:59:33,723 INFO L132 LiptonReduction]: Checked pairs total: 7078 [2020-10-16 11:59:33,724 INFO L134 LiptonReduction]: Total number of compositions: 92 [2020-10-16 11:59:33,732 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2020-10-16 11:59:34,087 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3114 states. [2020-10-16 11:59:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states. [2020-10-16 11:59:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 11:59:34,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:34,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:34,125 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:34,134 INFO L82 PathProgramCache]: Analyzing trace with hash -848041028, now seen corresponding path program 1 times [2020-10-16 11:59:34,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:34,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062211310] [2020-10-16 11:59:34,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:34,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062211310] [2020-10-16 11:59:34,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:34,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:59:34,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788768172] [2020-10-16 11:59:34,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:59:34,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:34,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:59:34,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:59:34,610 INFO L87 Difference]: Start difference. First operand 3114 states. Second operand 3 states. [2020-10-16 11:59:34,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:34,762 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-16 11:59:34,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:59:34,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 11:59:34,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:34,816 INFO L225 Difference]: With dead ends: 2602 [2020-10-16 11:59:34,817 INFO L226 Difference]: Without dead ends: 2122 [2020-10-16 11:59:34,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:59:34,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-16 11:59:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-16 11:59:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-16 11:59:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-16 11:59:35,085 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 7 [2020-10-16 11:59:35,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:35,090 INFO L481 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-16 11:59:35,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:59:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-16 11:59:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 11:59:35,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:35,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:35,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:59:35,096 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:35,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:35,096 INFO L82 PathProgramCache]: Analyzing trace with hash -655073674, now seen corresponding path program 1 times [2020-10-16 11:59:35,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:35,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634453089] [2020-10-16 11:59:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:35,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634453089] [2020-10-16 11:59:35,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:35,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:59:35,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784160092] [2020-10-16 11:59:35,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:59:35,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:35,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:59:35,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:59:35,241 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-16 11:59:35,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:35,267 INFO L93 Difference]: Finished difference Result 1962 states and 7392 transitions. [2020-10-16 11:59:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:59:35,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 11:59:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:35,287 INFO L225 Difference]: With dead ends: 1962 [2020-10-16 11:59:35,287 INFO L226 Difference]: Without dead ends: 1962 [2020-10-16 11:59:35,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:59:35,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-16 11:59:35,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-16 11:59:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-16 11:59:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 7392 transitions. [2020-10-16 11:59:35,366 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 7392 transitions. Word has length 11 [2020-10-16 11:59:35,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:35,366 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 7392 transitions. [2020-10-16 11:59:35,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:59:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 7392 transitions. [2020-10-16 11:59:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 11:59:35,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:35,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:35,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:59:35,371 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:35,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1834359752, now seen corresponding path program 1 times [2020-10-16 11:59:35,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:35,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29235041] [2020-10-16 11:59:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:35,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29235041] [2020-10-16 11:59:35,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:35,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:59:35,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384362707] [2020-10-16 11:59:35,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:59:35,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:59:35,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:59:35,463 INFO L87 Difference]: Start difference. First operand 1962 states and 7392 transitions. Second operand 4 states. [2020-10-16 11:59:35,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:35,532 INFO L93 Difference]: Finished difference Result 1974 states and 6736 transitions. [2020-10-16 11:59:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:59:35,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 11:59:35,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:35,545 INFO L225 Difference]: With dead ends: 1974 [2020-10-16 11:59:35,545 INFO L226 Difference]: Without dead ends: 1494 [2020-10-16 11:59:35,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:59:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-10-16 11:59:35,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1494. [2020-10-16 11:59:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-10-16 11:59:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 5052 transitions. [2020-10-16 11:59:35,594 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 5052 transitions. Word has length 13 [2020-10-16 11:59:35,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:35,595 INFO L481 AbstractCegarLoop]: Abstraction has 1494 states and 5052 transitions. [2020-10-16 11:59:35,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:59:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 5052 transitions. [2020-10-16 11:59:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:59:35,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:35,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:35,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:59:35,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:35,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:35,599 INFO L82 PathProgramCache]: Analyzing trace with hash -928311009, now seen corresponding path program 1 times [2020-10-16 11:59:35,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:35,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331625778] [2020-10-16 11:59:35,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:35,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331625778] [2020-10-16 11:59:35,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:35,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:59:35,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474194370] [2020-10-16 11:59:35,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:59:35,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:35,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:59:35,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:59:35,671 INFO L87 Difference]: Start difference. First operand 1494 states and 5052 transitions. Second operand 5 states. [2020-10-16 11:59:35,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:35,736 INFO L93 Difference]: Finished difference Result 1257 states and 3889 transitions. [2020-10-16 11:59:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:59:35,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 11:59:35,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:35,744 INFO L225 Difference]: With dead ends: 1257 [2020-10-16 11:59:35,744 INFO L226 Difference]: Without dead ends: 957 [2020-10-16 11:59:35,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:59:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-10-16 11:59:35,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2020-10-16 11:59:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2020-10-16 11:59:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 2904 transitions. [2020-10-16 11:59:35,774 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 2904 transitions. Word has length 16 [2020-10-16 11:59:35,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:35,775 INFO L481 AbstractCegarLoop]: Abstraction has 957 states and 2904 transitions. [2020-10-16 11:59:35,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:59:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 2904 transitions. [2020-10-16 11:59:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 11:59:35,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:35,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:35,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:59:35,778 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:35,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:35,779 INFO L82 PathProgramCache]: Analyzing trace with hash 2086127555, now seen corresponding path program 1 times [2020-10-16 11:59:35,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:35,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766700089] [2020-10-16 11:59:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:35,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766700089] [2020-10-16 11:59:35,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:35,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:59:35,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677167092] [2020-10-16 11:59:35,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:59:35,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:35,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:59:35,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:59:35,918 INFO L87 Difference]: Start difference. First operand 957 states and 2904 transitions. Second operand 6 states. [2020-10-16 11:59:35,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:35,993 INFO L93 Difference]: Finished difference Result 827 states and 2481 transitions. [2020-10-16 11:59:35,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:59:35,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 11:59:35,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:35,999 INFO L225 Difference]: With dead ends: 827 [2020-10-16 11:59:35,999 INFO L226 Difference]: Without dead ends: 728 [2020-10-16 11:59:36,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:59:36,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-16 11:59:36,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2020-10-16 11:59:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-16 11:59:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 2217 transitions. [2020-10-16 11:59:36,021 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 2217 transitions. Word has length 19 [2020-10-16 11:59:36,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:36,021 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 2217 transitions. [2020-10-16 11:59:36,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:59:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2217 transitions. [2020-10-16 11:59:36,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:59:36,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:36,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:36,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:59:36,025 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:36,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:36,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1556369260, now seen corresponding path program 1 times [2020-10-16 11:59:36,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:36,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176852826] [2020-10-16 11:59:36,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:36,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176852826] [2020-10-16 11:59:36,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:36,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:59:36,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541154106] [2020-10-16 11:59:36,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:59:36,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:36,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:59:36,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:59:36,091 INFO L87 Difference]: Start difference. First operand 728 states and 2217 transitions. Second operand 4 states. [2020-10-16 11:59:36,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:36,112 INFO L93 Difference]: Finished difference Result 935 states and 2784 transitions. [2020-10-16 11:59:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:59:36,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 11:59:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:36,119 INFO L225 Difference]: With dead ends: 935 [2020-10-16 11:59:36,120 INFO L226 Difference]: Without dead ends: 731 [2020-10-16 11:59:36,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:59:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-16 11:59:36,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 728. [2020-10-16 11:59:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-16 11:59:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 2155 transitions. [2020-10-16 11:59:36,146 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 2155 transitions. Word has length 22 [2020-10-16 11:59:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:36,147 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 2155 transitions. [2020-10-16 11:59:36,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:59:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2155 transitions. [2020-10-16 11:59:36,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:59:36,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:36,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:36,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:59:36,150 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:36,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:36,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1227002462, now seen corresponding path program 2 times [2020-10-16 11:59:36,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:36,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739848567] [2020-10-16 11:59:36,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:36,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739848567] [2020-10-16 11:59:36,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:36,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:59:36,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459127123] [2020-10-16 11:59:36,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:59:36,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:36,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:59:36,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:59:36,302 INFO L87 Difference]: Start difference. First operand 728 states and 2155 transitions. Second operand 4 states. [2020-10-16 11:59:36,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:36,322 INFO L93 Difference]: Finished difference Result 1008 states and 2882 transitions. [2020-10-16 11:59:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:59:36,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 11:59:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:36,327 INFO L225 Difference]: With dead ends: 1008 [2020-10-16 11:59:36,328 INFO L226 Difference]: Without dead ends: 649 [2020-10-16 11:59:36,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:59:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-10-16 11:59:36,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 647. [2020-10-16 11:59:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-16 11:59:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1739 transitions. [2020-10-16 11:59:36,348 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1739 transitions. Word has length 22 [2020-10-16 11:59:36,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:36,348 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 1739 transitions. [2020-10-16 11:59:36,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:59:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1739 transitions. [2020-10-16 11:59:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:59:36,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:36,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:36,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:59:36,351 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:36,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:36,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1620823022, now seen corresponding path program 3 times [2020-10-16 11:59:36,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:36,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218644387] [2020-10-16 11:59:36,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:36,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218644387] [2020-10-16 11:59:36,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:36,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:59:36,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825741387] [2020-10-16 11:59:36,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:59:36,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:36,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:59:36,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:59:36,515 INFO L87 Difference]: Start difference. First operand 647 states and 1739 transitions. Second operand 7 states. [2020-10-16 11:59:36,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:36,598 INFO L93 Difference]: Finished difference Result 620 states and 1685 transitions. [2020-10-16 11:59:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 11:59:36,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-16 11:59:36,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:36,600 INFO L225 Difference]: With dead ends: 620 [2020-10-16 11:59:36,600 INFO L226 Difference]: Without dead ends: 184 [2020-10-16 11:59:36,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:59:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-16 11:59:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-10-16 11:59:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-16 11:59:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 454 transitions. [2020-10-16 11:59:36,606 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 454 transitions. Word has length 22 [2020-10-16 11:59:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:36,607 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 454 transitions. [2020-10-16 11:59:36,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:59:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 454 transitions. [2020-10-16 11:59:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:59:36,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:36,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:36,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:59:36,609 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:36,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:36,609 INFO L82 PathProgramCache]: Analyzing trace with hash -285804941, now seen corresponding path program 1 times [2020-10-16 11:59:36,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:36,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558657875] [2020-10-16 11:59:36,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:59:36,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558657875] [2020-10-16 11:59:36,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:36,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:59:36,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10794686] [2020-10-16 11:59:36,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:59:36,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:36,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:59:36,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:59:36,966 INFO L87 Difference]: Start difference. First operand 184 states and 454 transitions. Second operand 7 states. [2020-10-16 11:59:37,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:37,213 INFO L93 Difference]: Finished difference Result 259 states and 626 transitions. [2020-10-16 11:59:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:59:37,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-16 11:59:37,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:37,216 INFO L225 Difference]: With dead ends: 259 [2020-10-16 11:59:37,216 INFO L226 Difference]: Without dead ends: 187 [2020-10-16 11:59:37,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:59:37,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-16 11:59:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 138. [2020-10-16 11:59:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-16 11:59:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 326 transitions. [2020-10-16 11:59:37,222 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 326 transitions. Word has length 26 [2020-10-16 11:59:37,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:37,222 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 326 transitions. [2020-10-16 11:59:37,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:59:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 326 transitions. [2020-10-16 11:59:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:59:37,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:37,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:37,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:59:37,224 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:37,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:37,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1136118165, now seen corresponding path program 2 times [2020-10-16 11:59:37,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:37,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117793935] [2020-10-16 11:59:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:59:37,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:59:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:59:37,325 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:59:37,369 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:59:37,370 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:59:37,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:59:37,371 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 11:59:37,391 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [968] [968] L2-->L865: Formula: (let ((.cse7 (= (mod ~y$r_buff0_thd0~0_In-454989122 256) 0)) (.cse6 (= (mod ~y$w_buff0_used~0_In-454989122 256) 0)) (.cse9 (= (mod ~y$w_buff1_used~0_In-454989122 256) 0)) (.cse8 (= (mod ~y$r_buff1_thd0~0_In-454989122 256) 0))) (let ((.cse2 (or .cse9 .cse8)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-454989122 0)) (or (and .cse0 .cse1 (= ~y$w_buff1_used~0_Out-454989122 0)) (and (= ~y$w_buff1_used~0_In-454989122 ~y$w_buff1_used~0_Out-454989122) .cse2)) (= ~y$r_buff0_thd0~0_In-454989122 ~y$r_buff0_thd0~0_Out-454989122) (= ~y$r_buff1_thd0~0_Out-454989122 ~y$r_buff1_thd0~0_In-454989122) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-454989122 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-454989122|) (or (and .cse3 (or (and .cse2 (= ~y~0_Out-454989122 ~y~0_In-454989122)) (and (= ~y~0_Out-454989122 ~y$w_buff1~0_In-454989122) .cse0 .cse1))) (and (= ~y~0_Out-454989122 ~y$w_buff0~0_In-454989122) .cse4 .cse5)) (or (and .cse4 (= ~y$w_buff0_used~0_Out-454989122 0) .cse5) (and .cse3 (= ~y$w_buff0_used~0_In-454989122 ~y$w_buff0_used~0_Out-454989122)))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-454989122|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-454989122, ~y$w_buff1~0=~y$w_buff1~0_In-454989122, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-454989122, ~y$w_buff0~0=~y$w_buff0~0_In-454989122, ~y~0=~y~0_In-454989122, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-454989122, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-454989122} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-454989122, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out-454989122|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-454989122|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-454989122|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out-454989122|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-454989122|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-454989122|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-454989122|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-454989122, ~y$w_buff1~0=~y$w_buff1~0_In-454989122, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-454989122, ~y$w_buff0~0=~y$w_buff0~0_In-454989122, ~y~0=~y~0_Out-454989122, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-454989122, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-454989122} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite43, ~y~0, ULTIMATE.start_main_#t~ite42, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_#t~ite44, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-16 11:59:37,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,399 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,400 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,400 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,400 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,400 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,401 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,401 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,401 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,401 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,401 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,403 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,403 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,403 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,403 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,404 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,404 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,404 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,404 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,404 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,405 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,405 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,405 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,405 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,405 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,408 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,408 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,408 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,409 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,409 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,409 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:59:37,410 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:37,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:59:37 BasicIcfg [2020-10-16 11:59:37,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:59:37,511 INFO L168 Benchmark]: Toolchain (without parser) took 10046.23 ms. Allocated memory was 140.0 MB in the beginning and 329.3 MB in the end (delta: 189.3 MB). Free memory was 101.0 MB in the beginning and 88.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 202.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,512 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.68 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 156.2 MB in the end (delta: -55.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 203.4 MB. Free memory was 156.2 MB in the beginning and 153.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,517 INFO L168 Benchmark]: Boogie Preprocessor took 48.33 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 151.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,520 INFO L168 Benchmark]: RCFGBuilder took 2079.80 ms. Allocated memory was 203.4 MB in the beginning and 248.5 MB in the end (delta: 45.1 MB). Free memory was 151.4 MB in the beginning and 189.5 MB in the end (delta: -38.1 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,521 INFO L168 Benchmark]: TraceAbstraction took 7039.61 ms. Allocated memory was 248.5 MB in the beginning and 329.3 MB in the end (delta: 80.7 MB). Free memory was 189.5 MB in the beginning and 88.1 MB in the end (delta: 101.5 MB). Peak memory consumption was 182.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:37,530 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.68 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 156.2 MB in the end (delta: -55.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 203.4 MB. Free memory was 156.2 MB in the beginning and 153.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.33 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 151.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2079.80 ms. Allocated memory was 203.4 MB in the beginning and 248.5 MB in the end (delta: 45.1 MB). Free memory was 151.4 MB in the beginning and 189.5 MB in the end (delta: -38.1 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7039.61 ms. Allocated memory was 248.5 MB in the beginning and 329.3 MB in the end (delta: 80.7 MB). Free memory was 189.5 MB in the beginning and 88.1 MB in the end (delta: 101.5 MB). Peak memory consumption was 182.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1294 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 128 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 123 PlacesBefore, 45 PlacesAfterwards, 112 TransitionsBefore, 32 TransitionsAfterwards, 2456 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 92 TotalNumberOfCompositions, 7078 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p1_EAX = 0; [L705] 0 int __unbuffered_p2_EAX = 0; [L707] 0 int __unbuffered_p3_EAX = 0; [L709] 0 int __unbuffered_p3_EBX = 0; [L711] 0 int a = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff0_thd4; [L725] 0 _Bool y$r_buff1_thd0; [L726] 0 _Bool y$r_buff1_thd1; [L727] 0 _Bool y$r_buff1_thd2; [L728] 0 _Bool y$r_buff1_thd3; [L729] 0 _Bool y$r_buff1_thd4; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L847] 0 pthread_t t453; [L848] FCALL, FORK 0 pthread_create(&t453, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L849] 0 pthread_t t454; [L850] FCALL, FORK 0 pthread_create(&t454, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L851] 0 pthread_t t455; [L852] FCALL, FORK 0 pthread_create(&t455, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L786] 3 y$w_buff1 = y$w_buff0 [L787] 3 y$w_buff0 = 1 [L788] 3 y$w_buff1_used = y$w_buff0_used [L789] 3 y$w_buff0_used = (_Bool)1 [L7] COND FALSE 3 !(!expression) [L791] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L792] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L793] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L794] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L795] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L796] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L799] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L853] 0 pthread_t t456; [L854] FCALL, FORK 0 pthread_create(&t456, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L819] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L825] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L826] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L827] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L827] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L828] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L828] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L829] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L829] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L832] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L834] 4 return 0; [L743] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] 1 __unbuffered_p0_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L753] 1 return 0; [L758] 2 x = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L761] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 2 y$flush_delayed = weak$$choice2 [L764] 2 y$mem_tmp = y [L765] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L765] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L766] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L766] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L766] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L766] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L767] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L767] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L768] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L768] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L769] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L770] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L770] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L771] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 __unbuffered_p1_EAX = y [L773] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L773] 2 y = y$flush_delayed ? y$mem_tmp : y [L774] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L806] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L779] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 2 return 0; [L809] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L811] 3 return 0; [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L867] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 334 SDtfs, 408 SDslu, 614 SDs, 0 SdLazy, 205 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3114occurred 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 17133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...