/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/mix001_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:52:25,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:52:25,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:52:25,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:52:25,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:52:25,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:52:25,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:52:25,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:52:25,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:52:25,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:52:25,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:52:25,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:52:25,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:52:25,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:52:25,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:52:25,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:52:25,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:52:25,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:52:25,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:52:25,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:52:25,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:52:25,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:52:25,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:52:25,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:52:25,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:52:25,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:52:25,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:52:25,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:52:25,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:52:25,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:52:25,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:52:25,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:52:25,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:52:25,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:52:25,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:52:25,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:52:25,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:52:25,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:52:25,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:52:25,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:52:25,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:52:25,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 22:52:26,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:52:26,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:52:26,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:52:26,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:52:26,024 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:52:26,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:52:26,025 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:52:26,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:52:26,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:52:26,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:52:26,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:52:26,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:52:26,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:52:26,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:52:26,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:52:26,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:52:26,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:52:26,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:52:26,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:52:26,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:52:26,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:52:26,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:52:26,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:52:26,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:52:26,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:52:26,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:52:26,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:52:26,034 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:52:26,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:52:26,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:52:26,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:52:26,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:52:26,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:52:26,402 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:52:26,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix001_rmo.opt.i [2020-10-21 22:52:26,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f92201ce/bad175cf78e84399b014926ff8ec552a/FLAGb6c2ac943 [2020-10-21 22:52:27,071 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:52:27,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix001_rmo.opt.i [2020-10-21 22:52:27,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f92201ce/bad175cf78e84399b014926ff8ec552a/FLAGb6c2ac943 [2020-10-21 22:52:27,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f92201ce/bad175cf78e84399b014926ff8ec552a [2020-10-21 22:52:27,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:52:27,346 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:52:27,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:52:27,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:52:27,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:52:27,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:52:27" (1/1) ... [2020-10-21 22:52:27,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cade521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:27, skipping insertion in model container [2020-10-21 22:52:27,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:52:27" (1/1) ... [2020-10-21 22:52:27,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:52:27,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:52:27,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:52:27,960 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:52:28,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:52:28,183 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:52:28,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28 WrapperNode [2020-10-21 22:52:28,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:52:28,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:52:28,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:52:28,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:52:28,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:52:28,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:52:28,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:52:28,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:52:28,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... [2020-10-21 22:52:28,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:52:28,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:52:28,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:52:28,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:52:28,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:52:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:52:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:52:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:52:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:52:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:52:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:52:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:52:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:52:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:52:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:52:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:52:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:52:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:52:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:52:28,400 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:52:30,767 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:52:30,768 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:52:30,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:52:30 BoogieIcfgContainer [2020-10-21 22:52:30,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:52:30,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:52:30,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:52:30,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:52:30,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:52:27" (1/3) ... [2020-10-21 22:52:30,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51654bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:52:30, skipping insertion in model container [2020-10-21 22:52:30,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:52:28" (2/3) ... [2020-10-21 22:52:30,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51654bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:52:30, skipping insertion in model container [2020-10-21 22:52:30,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:52:30" (3/3) ... [2020-10-21 22:52:30,780 INFO L111 eAbstractionObserver]: Analyzing ICFG mix001_rmo.opt.i [2020-10-21 22:52:30,794 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:52:30,794 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:52:30,804 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:52:30,805 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:52:30,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,842 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,842 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,856 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,857 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,878 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,883 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:52:30,890 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:52:30,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 22:52:30,925 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:52:30,925 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:52:30,925 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:52:30,926 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:52:30,926 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:52:30,926 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:52:30,926 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:52:30,926 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:52:30,942 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:52:30,943 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 107 transitions, 229 flow [2020-10-21 22:52:30,946 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 107 transitions, 229 flow [2020-10-21 22:52:30,949 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 107 transitions, 229 flow [2020-10-21 22:52:31,066 INFO L129 PetriNetUnfolder]: 3/104 cut-off events. [2020-10-21 22:52:31,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:52:31,076 INFO L80 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 3/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 66. Up to 2 conditions per place. [2020-10-21 22:52:31,084 INFO L116 LiptonReduction]: Number of co-enabled transitions 1944 [2020-10-21 22:52:31,764 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 22:52:32,193 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-21 22:52:33,239 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-21 22:52:34,176 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2020-10-21 22:52:34,375 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-21 22:52:34,385 INFO L131 LiptonReduction]: Checked pairs total: 6133 [2020-10-21 22:52:34,385 INFO L133 LiptonReduction]: Total number of compositions: 96 [2020-10-21 22:52:34,391 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2020-10-21 22:52:34,475 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 937 states. [2020-10-21 22:52:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states. [2020-10-21 22:52:34,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 22:52:34,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:34,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:34,486 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:34,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:34,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1768874751, now seen corresponding path program 1 times [2020-10-21 22:52:34,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:34,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301416237] [2020-10-21 22:52:34,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:34,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301416237] [2020-10-21 22:52:34,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:34,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:52:34,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537066768] [2020-10-21 22:52:34,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:52:34,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:34,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:52:34,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:34,824 INFO L87 Difference]: Start difference. First operand 937 states. Second operand 3 states. [2020-10-21 22:52:34,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:34,953 INFO L93 Difference]: Finished difference Result 812 states and 2575 transitions. [2020-10-21 22:52:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:52:34,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 22:52:34,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:34,981 INFO L225 Difference]: With dead ends: 812 [2020-10-21 22:52:34,981 INFO L226 Difference]: Without dead ends: 662 [2020-10-21 22:52:34,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-10-21 22:52:35,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-10-21 22:52:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-21 22:52:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 2060 transitions. [2020-10-21 22:52:35,130 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 2060 transitions. Word has length 7 [2020-10-21 22:52:35,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:35,131 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 2060 transitions. [2020-10-21 22:52:35,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:52:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2060 transitions. [2020-10-21 22:52:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 22:52:35,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:35,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:35,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:52:35,134 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:35,134 INFO L82 PathProgramCache]: Analyzing trace with hash 918479794, now seen corresponding path program 1 times [2020-10-21 22:52:35,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:35,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874515184] [2020-10-21 22:52:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:35,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874515184] [2020-10-21 22:52:35,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:35,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:52:35,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274618165] [2020-10-21 22:52:35,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:52:35,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:35,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:52:35,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,210 INFO L87 Difference]: Start difference. First operand 662 states and 2060 transitions. Second operand 3 states. [2020-10-21 22:52:35,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:35,229 INFO L93 Difference]: Finished difference Result 612 states and 1880 transitions. [2020-10-21 22:52:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:52:35,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 22:52:35,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:35,235 INFO L225 Difference]: With dead ends: 612 [2020-10-21 22:52:35,235 INFO L226 Difference]: Without dead ends: 612 [2020-10-21 22:52:35,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-21 22:52:35,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2020-10-21 22:52:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-21 22:52:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1880 transitions. [2020-10-21 22:52:35,256 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1880 transitions. Word has length 9 [2020-10-21 22:52:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:35,257 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1880 transitions. [2020-10-21 22:52:35,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:52:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1880 transitions. [2020-10-21 22:52:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:52:35,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:35,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:35,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:52:35,260 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:35,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:35,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2104188092, now seen corresponding path program 1 times [2020-10-21 22:52:35,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:35,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058823259] [2020-10-21 22:52:35,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:35,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058823259] [2020-10-21 22:52:35,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:35,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:52:35,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425152554] [2020-10-21 22:52:35,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:52:35,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:35,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:52:35,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,388 INFO L87 Difference]: Start difference. First operand 612 states and 1880 transitions. Second operand 3 states. [2020-10-21 22:52:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:35,415 INFO L93 Difference]: Finished difference Result 572 states and 1738 transitions. [2020-10-21 22:52:35,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:52:35,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 22:52:35,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:35,428 INFO L225 Difference]: With dead ends: 572 [2020-10-21 22:52:35,428 INFO L226 Difference]: Without dead ends: 572 [2020-10-21 22:52:35,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-21 22:52:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2020-10-21 22:52:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2020-10-21 22:52:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 1738 transitions. [2020-10-21 22:52:35,470 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 1738 transitions. Word has length 11 [2020-10-21 22:52:35,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:35,471 INFO L481 AbstractCegarLoop]: Abstraction has 572 states and 1738 transitions. [2020-10-21 22:52:35,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:52:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1738 transitions. [2020-10-21 22:52:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:52:35,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:35,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:35,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:52:35,477 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:35,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:35,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1466580192, now seen corresponding path program 1 times [2020-10-21 22:52:35,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:35,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780194250] [2020-10-21 22:52:35,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:35,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780194250] [2020-10-21 22:52:35,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:35,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:52:35,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100057376] [2020-10-21 22:52:35,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:52:35,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:35,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:52:35,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,537 INFO L87 Difference]: Start difference. First operand 572 states and 1738 transitions. Second operand 3 states. [2020-10-21 22:52:35,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:35,547 INFO L93 Difference]: Finished difference Result 548 states and 1656 transitions. [2020-10-21 22:52:35,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:52:35,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 22:52:35,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:35,552 INFO L225 Difference]: With dead ends: 548 [2020-10-21 22:52:35,552 INFO L226 Difference]: Without dead ends: 548 [2020-10-21 22:52:35,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:52:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-10-21 22:52:35,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2020-10-21 22:52:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-21 22:52:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1656 transitions. [2020-10-21 22:52:35,570 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1656 transitions. Word has length 13 [2020-10-21 22:52:35,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:35,570 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 1656 transitions. [2020-10-21 22:52:35,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:52:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1656 transitions. [2020-10-21 22:52:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:52:35,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:35,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:35,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:52:35,573 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:35,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:35,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1957741092, now seen corresponding path program 1 times [2020-10-21 22:52:35,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:35,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313289201] [2020-10-21 22:52:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:35,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313289201] [2020-10-21 22:52:35,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:35,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:52:35,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42634441] [2020-10-21 22:52:35,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:52:35,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:35,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:52:35,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:52:35,709 INFO L87 Difference]: Start difference. First operand 548 states and 1656 transitions. Second operand 4 states. [2020-10-21 22:52:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:35,753 INFO L93 Difference]: Finished difference Result 526 states and 1413 transitions. [2020-10-21 22:52:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:52:35,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 22:52:35,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:35,757 INFO L225 Difference]: With dead ends: 526 [2020-10-21 22:52:35,757 INFO L226 Difference]: Without dead ends: 376 [2020-10-21 22:52:35,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:52:35,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-21 22:52:35,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-10-21 22:52:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-21 22:52:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 968 transitions. [2020-10-21 22:52:35,769 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 968 transitions. Word has length 15 [2020-10-21 22:52:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:35,769 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 968 transitions. [2020-10-21 22:52:35,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:52:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 968 transitions. [2020-10-21 22:52:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 22:52:35,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:35,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:35,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:52:35,771 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:35,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:35,771 INFO L82 PathProgramCache]: Analyzing trace with hash 59208632, now seen corresponding path program 1 times [2020-10-21 22:52:35,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:35,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980019340] [2020-10-21 22:52:35,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:35,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980019340] [2020-10-21 22:52:35,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:35,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:52:35,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304032928] [2020-10-21 22:52:35,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:52:35,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:35,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:52:35,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:52:35,872 INFO L87 Difference]: Start difference. First operand 376 states and 968 transitions. Second operand 5 states. [2020-10-21 22:52:35,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:35,919 INFO L93 Difference]: Finished difference Result 318 states and 765 transitions. [2020-10-21 22:52:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:52:35,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-21 22:52:35,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:35,922 INFO L225 Difference]: With dead ends: 318 [2020-10-21 22:52:35,922 INFO L226 Difference]: Without dead ends: 248 [2020-10-21 22:52:35,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:52:35,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-21 22:52:35,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2020-10-21 22:52:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-10-21 22:52:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 584 transitions. [2020-10-21 22:52:35,930 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 584 transitions. Word has length 17 [2020-10-21 22:52:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:35,930 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 584 transitions. [2020-10-21 22:52:35,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:52:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 584 transitions. [2020-10-21 22:52:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 22:52:35,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:35,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:52:35,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:52:35,932 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:35,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1267901250, now seen corresponding path program 1 times [2020-10-21 22:52:35,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:35,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382232701] [2020-10-21 22:52:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:36,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382232701] [2020-10-21 22:52:36,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:36,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:52:36,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053629895] [2020-10-21 22:52:36,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:52:36,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:36,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:52:36,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:52:36,052 INFO L87 Difference]: Start difference. First operand 248 states and 584 transitions. Second operand 6 states. [2020-10-21 22:52:36,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:36,106 INFO L93 Difference]: Finished difference Result 229 states and 544 transitions. [2020-10-21 22:52:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:52:36,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-21 22:52:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:36,109 INFO L225 Difference]: With dead ends: 229 [2020-10-21 22:52:36,109 INFO L226 Difference]: Without dead ends: 215 [2020-10-21 22:52:36,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:52:36,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-21 22:52:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-10-21 22:52:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-21 22:52:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 518 transitions. [2020-10-21 22:52:36,116 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 518 transitions. Word has length 19 [2020-10-21 22:52:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:36,116 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 518 transitions. [2020-10-21 22:52:36,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:52:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 518 transitions. [2020-10-21 22:52:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 22:52:36,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:36,118 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] [2020-10-21 22:52:36,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:52:36,118 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:36,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1802925672, now seen corresponding path program 1 times [2020-10-21 22:52:36,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:36,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92591385] [2020-10-21 22:52:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:36,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92591385] [2020-10-21 22:52:36,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:36,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:52:36,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380791423] [2020-10-21 22:52:36,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:52:36,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:36,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:52:36,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:52:36,185 INFO L87 Difference]: Start difference. First operand 215 states and 518 transitions. Second operand 4 states. [2020-10-21 22:52:36,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:36,207 INFO L93 Difference]: Finished difference Result 277 states and 653 transitions. [2020-10-21 22:52:36,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:52:36,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-21 22:52:36,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:36,209 INFO L225 Difference]: With dead ends: 277 [2020-10-21 22:52:36,209 INFO L226 Difference]: Without dead ends: 107 [2020-10-21 22:52:36,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:52:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-21 22:52:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-21 22:52:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-21 22:52:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 222 transitions. [2020-10-21 22:52:36,213 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 222 transitions. Word has length 22 [2020-10-21 22:52:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:36,214 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 222 transitions. [2020-10-21 22:52:36,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:52:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 222 transitions. [2020-10-21 22:52:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 22:52:36,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:36,215 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] [2020-10-21 22:52:36,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:52:36,216 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:36,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:36,216 INFO L82 PathProgramCache]: Analyzing trace with hash -984483548, now seen corresponding path program 2 times [2020-10-21 22:52:36,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:36,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294943174] [2020-10-21 22:52:36,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:36,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294943174] [2020-10-21 22:52:36,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:36,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:52:36,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329886140] [2020-10-21 22:52:36,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:52:36,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:36,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:52:36,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:52:36,310 INFO L87 Difference]: Start difference. First operand 107 states and 222 transitions. Second operand 4 states. [2020-10-21 22:52:36,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:36,331 INFO L93 Difference]: Finished difference Result 133 states and 270 transitions. [2020-10-21 22:52:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:52:36,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-21 22:52:36,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:36,333 INFO L225 Difference]: With dead ends: 133 [2020-10-21 22:52:36,333 INFO L226 Difference]: Without dead ends: 51 [2020-10-21 22:52:36,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:52:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-21 22:52:36,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-21 22:52:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-21 22:52:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 86 transitions. [2020-10-21 22:52:36,336 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 86 transitions. Word has length 22 [2020-10-21 22:52:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:36,337 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 86 transitions. [2020-10-21 22:52:36,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:52:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2020-10-21 22:52:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 22:52:36,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:36,340 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] [2020-10-21 22:52:36,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:52:36,340 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:36,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:36,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2021992416, now seen corresponding path program 3 times [2020-10-21 22:52:36,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:36,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911563791] [2020-10-21 22:52:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:52:36,730 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2020-10-21 22:52:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:52:36,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911563791] [2020-10-21 22:52:36,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:52:36,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:52:36,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619800594] [2020-10-21 22:52:36,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:52:36,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:52:36,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:52:36,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:52:36,814 INFO L87 Difference]: Start difference. First operand 51 states and 86 transitions. Second operand 7 states. [2020-10-21 22:52:37,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:52:37,048 INFO L93 Difference]: Finished difference Result 61 states and 100 transitions. [2020-10-21 22:52:37,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:52:37,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-21 22:52:37,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:52:37,049 INFO L225 Difference]: With dead ends: 61 [2020-10-21 22:52:37,049 INFO L226 Difference]: Without dead ends: 33 [2020-10-21 22:52:37,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:52:37,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-21 22:52:37,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-21 22:52:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-21 22:52:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2020-10-21 22:52:37,052 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 22 [2020-10-21 22:52:37,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:52:37,052 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-21 22:52:37,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:52:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2020-10-21 22:52:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 22:52:37,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:52:37,053 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] [2020-10-21 22:52:37,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:52:37,053 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:52:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:52:37,054 INFO L82 PathProgramCache]: Analyzing trace with hash 94932052, now seen corresponding path program 4 times [2020-10-21 22:52:37,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:52:37,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702028952] [2020-10-21 22:52:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:52:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:52:37,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:52:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:52:37,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:52:37,202 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:52:37,202 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:52:37,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 22:52:37,203 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 22:52:37,223 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1200] [1200] L3-->L869: Formula: (let ((.cse6 (= 0 (mod ~y$w_buff1_used~0_In-367379280 256))) (.cse7 (= (mod ~y$r_buff1_thd0~0_In-367379280 256) 0)) (.cse8 (= (mod ~y$r_buff0_thd0~0_In-367379280 256) 0)) (.cse9 (= (mod ~y$w_buff0_used~0_In-367379280 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse3 (not .cse7)) (.cse4 (not .cse6)) (.cse5 (or .cse6 .cse7))) (and (or (and (= ~y$w_buff0_used~0_In-367379280 ~y$w_buff0_used~0_Out-367379280) .cse0) (and (= ~y$w_buff0_used~0_Out-367379280 0) .cse1 .cse2)) (= ~y$r_buff0_thd0~0_Out-367379280 ~y$r_buff0_thd0~0_In-367379280) (or (and (= ~y$w_buff1_used~0_Out-367379280 0) .cse3 .cse4) (and .cse5 (= ~y$w_buff1_used~0_Out-367379280 ~y$w_buff1_used~0_In-367379280))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In-367379280 0)) (or (and (= ~y$w_buff0~0_In-367379280 ~y~0_Out-367379280) .cse1 .cse2) (and .cse0 (or (and .cse3 (= ~y~0_Out-367379280 ~y$w_buff1~0_In-367379280) .cse4) (and .cse5 (= ~y~0_In-367379280 ~y~0_Out-367379280))))) (= ~y$r_buff1_thd0~0_Out-367379280 ~y$r_buff1_thd0~0_In-367379280)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-367379280, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-367379280, ~y$w_buff1~0=~y$w_buff1~0_In-367379280, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-367379280, ~y$w_buff0~0=~y$w_buff0~0_In-367379280, ~y~0=~y~0_In-367379280, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-367379280, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-367379280} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-367379280, ULTIMATE.start_main_#t~ite64=|ULTIMATE.start_main_#t~ite64_Out-367379280|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out-367379280|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out-367379280|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out-367379280|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-367379280|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-367379280|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-367379280, ~y$w_buff1~0=~y$w_buff1~0_In-367379280, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-367379280, ~y$w_buff0~0=~y$w_buff0~0_In-367379280, ~y~0=~y~0_Out-367379280, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-367379280, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-367379280} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ~y~0, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite64, ULTIMATE.start_main_#t~ite65, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-21 22:52:37,237 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,238 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [799] [2020-10-21 22:52:37,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,240 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,240 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,240 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,240 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,240 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,240 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,241 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,241 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,242 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,242 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,242 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,242 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,242 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,244 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,251 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,251 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:52:37,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:52:37,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:52:37 BasicIcfg [2020-10-21 22:52:37,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:52:37,367 INFO L168 Benchmark]: Toolchain (without parser) took 10027.19 ms. Allocated memory was 139.5 MB in the beginning and 344.5 MB in the end (delta: 205.0 MB). Free memory was 100.1 MB in the beginning and 177.2 MB in the end (delta: -77.1 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,368 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.29 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 152.0 MB in the end (delta: -53.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 202.9 MB. Free memory was 152.0 MB in the beginning and 149.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,370 INFO L168 Benchmark]: Boogie Preprocessor took 44.16 ms. Allocated memory is still 202.9 MB. Free memory was 149.3 MB in the beginning and 146.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,371 INFO L168 Benchmark]: RCFGBuilder took 2467.37 ms. Allocated memory was 202.9 MB in the beginning and 249.6 MB in the end (delta: 46.7 MB). Free memory was 146.6 MB in the beginning and 113.8 MB in the end (delta: 32.8 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,372 INFO L168 Benchmark]: TraceAbstraction took 6593.09 ms. Allocated memory was 249.6 MB in the beginning and 344.5 MB in the end (delta: 94.9 MB). Free memory was 113.8 MB in the beginning and 177.2 MB in the end (delta: -63.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-21 22:52:37,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 838.29 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 152.0 MB in the end (delta: -53.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 202.9 MB. Free memory was 152.0 MB in the beginning and 149.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.16 ms. Allocated memory is still 202.9 MB. Free memory was 149.3 MB in the beginning and 146.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2467.37 ms. Allocated memory was 202.9 MB in the beginning and 249.6 MB in the end (delta: 46.7 MB). Free memory was 146.6 MB in the beginning and 113.8 MB in the end (delta: 32.8 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6593.09 ms. Allocated memory was 249.6 MB in the beginning and 344.5 MB in the end (delta: 94.9 MB). Free memory was 113.8 MB in the beginning and 177.2 MB in the end (delta: -63.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1107 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 107 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 114 PlacesBefore, 37 PlacesAfterwards, 107 TransitionsBefore, 28 TransitionsAfterwards, 1944 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 96 TotalNumberOfCompositions, 6133 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int __unbuffered_p2_EAX = 0; [L721] 0 int __unbuffered_p2_EBX = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L728] 0 _Bool y$flush_delayed; [L729] 0 int y$mem_tmp; [L730] 0 _Bool y$r_buff0_thd0; [L731] 0 _Bool y$r_buff0_thd1; [L732] 0 _Bool y$r_buff0_thd2; [L733] 0 _Bool y$r_buff0_thd3; [L734] 0 _Bool y$r_buff1_thd0; [L735] 0 _Bool y$r_buff1_thd1; [L736] 0 _Bool y$r_buff1_thd2; [L737] 0 _Bool y$r_buff1_thd3; [L738] 0 _Bool y$read_delayed; [L739] 0 int *y$read_delayed_var; [L740] 0 int y$w_buff0; [L741] 0 _Bool y$w_buff0_used; [L742] 0 int y$w_buff1; [L743] 0 _Bool y$w_buff1_used; [L745] 0 int z = 0; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L853] 0 pthread_t t29; [L854] FCALL, FORK 0 pthread_create(&t29, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L855] 0 pthread_t t30; [L856] FCALL, FORK 0 pthread_create(&t30, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L857] 0 pthread_t t31; [L858] FCALL, FORK 0 pthread_create(&t31, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 y$w_buff1 = y$w_buff0 [L801] 3 y$w_buff0 = 1 [L802] 3 y$w_buff1_used = y$w_buff0_used [L803] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L805] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L806] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L807] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L808] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L809] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 y$flush_delayed = weak$$choice2 [L815] 3 y$mem_tmp = y [L816] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L816] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L817] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L817] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L818] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L818] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L818] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1 [L818] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L818] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L818] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L819] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L819] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L820] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L821] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L821] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L821] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L822] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L822] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 __unbuffered_p2_EAX = y [L824] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L824] 3 y = y$flush_delayed ? y$mem_tmp : y [L825] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L828] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L751] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L754] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L757] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] EXPR 2 weak$$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$w_buff0)) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] EXPR 2 weak$$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$w_buff1)) [L781] EXPR 2 !y$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) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] 2 y$w_buff1 = weak$$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)) [L782] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L782] EXPR 2 weak$$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)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$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)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = y [L787] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L831] 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) [L831] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L831] 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) [L831] 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) [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L832] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L833] 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 [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L834] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L835] 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 [L838] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 3 return 0; [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L871] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix001_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 105 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.2s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 270 SDtfs, 224 SDslu, 404 SDs, 0 SdLazy, 142 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=937occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 15174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...