/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/mix016_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:55:36,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:55:36,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:55:36,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:55:36,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:55:36,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:55:36,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:55:36,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:55:36,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:55:36,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:55:36,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:55:36,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:55:36,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:55:36,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:55:36,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:55:36,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:55:36,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:55:36,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:55:36,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:55:36,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:55:36,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:55:36,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:55:36,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:55:36,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:55:36,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:55:36,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:55:36,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:55:36,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:55:36,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:55:36,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:55:36,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:55:36,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:55:36,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:55:36,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:55:36,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:55:36,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:55:36,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:55:36,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:55:36,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:55:36,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:55:36,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:55:36,837 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 22:55:36,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:55:36,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:55:36,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:55:36,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:55:36,884 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:55:36,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:55:36,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:55:36,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:55:36,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:55:36,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:55:36,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:55:36,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:55:36,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:55:36,888 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:55:36,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:55:36,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:55:36,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:55:36,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:55:36,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:55:36,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:55:36,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:55:36,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:55:36,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:55:36,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:55:36,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:55:36,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:55:36,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:55:36,891 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:55:36,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:55:37,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:55:37,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:55:37,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:55:37,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:55:37,212 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:55:37,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016_rmo.opt.i [2020-10-21 22:55:37,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646effb36/693b016d30c44d059df917065c30aa7b/FLAGfacd07ec6 [2020-10-21 22:55:37,868 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:55:37,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_rmo.opt.i [2020-10-21 22:55:37,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646effb36/693b016d30c44d059df917065c30aa7b/FLAGfacd07ec6 [2020-10-21 22:55:38,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646effb36/693b016d30c44d059df917065c30aa7b [2020-10-21 22:55:38,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:55:38,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:55:38,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:55:38,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:55:38,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:55:38,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5136d90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38, skipping insertion in model container [2020-10-21 22:55:38,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:55:38,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:55:38,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:55:38,761 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:55:38,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:55:38,911 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:55:38,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38 WrapperNode [2020-10-21 22:55:38,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:55:38,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:55:38,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:55:38,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:55:38,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:55:38,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:55:38,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:55:38,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:55:38,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:38,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:39,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:39,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:39,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (1/1) ... [2020-10-21 22:55:39,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:55:39,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:55:39,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:55:39,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:55:39,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (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 22:55:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:55:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:55:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:55:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:55:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:55:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:55:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:55:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:55:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:55:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:55:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:55:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:55:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:55:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:55:39,124 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 22:55:41,179 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:55:41,179 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:55:41,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:55:41 BoogieIcfgContainer [2020-10-21 22:55:41,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:55:41,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:55:41,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:55:41,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:55:41,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:55:38" (1/3) ... [2020-10-21 22:55:41,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1271fab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:55:41, skipping insertion in model container [2020-10-21 22:55:41,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:38" (2/3) ... [2020-10-21 22:55:41,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1271fab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:55:41, skipping insertion in model container [2020-10-21 22:55:41,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:55:41" (3/3) ... [2020-10-21 22:55:41,195 INFO L111 eAbstractionObserver]: Analyzing ICFG mix016_rmo.opt.i [2020-10-21 22:55:41,207 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:55:41,207 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:55:41,216 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:55:41,217 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:55:41,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,251 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,251 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,263 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,266 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,266 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,273 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,279 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,280 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,287 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,289 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,290 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:41,291 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:55:41,305 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 22:55:41,327 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:55:41,327 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:55:41,327 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:55:41,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:55:41,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:55:41,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:55:41,328 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:55:41,328 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:55:41,342 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:55:41,343 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 104 transitions, 223 flow [2020-10-21 22:55:41,346 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 104 transitions, 223 flow [2020-10-21 22:55:41,348 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 111 places, 104 transitions, 223 flow [2020-10-21 22:55:41,401 INFO L129 PetriNetUnfolder]: 3/101 cut-off events. [2020-10-21 22:55:41,401 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:55:41,407 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 3/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2020-10-21 22:55:41,411 INFO L116 LiptonReduction]: Number of co-enabled transitions 1844 [2020-10-21 22:55:41,628 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-21 22:55:42,208 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 22:55:42,767 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 22:55:43,652 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-21 22:55:44,214 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-21 22:55:44,377 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-21 22:55:44,863 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-21 22:55:45,065 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-21 22:55:45,072 INFO L131 LiptonReduction]: Checked pairs total: 5473 [2020-10-21 22:55:45,073 INFO L133 LiptonReduction]: Total number of compositions: 98 [2020-10-21 22:55:45,080 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 27 transitions, 69 flow [2020-10-21 22:55:45,134 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 778 states. [2020-10-21 22:55:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states. [2020-10-21 22:55:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:55:45,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:45,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:55:45,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:45,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:45,151 INFO L82 PathProgramCache]: Analyzing trace with hash 975143875, now seen corresponding path program 1 times [2020-10-21 22:55:45,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:45,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168799723] [2020-10-21 22:55:45,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:45,421 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 22:55:45,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168799723] [2020-10-21 22:55:45,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:45,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:55:45,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516751992] [2020-10-21 22:55:45,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:55:45,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:45,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:55:45,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:55:45,445 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 3 states. [2020-10-21 22:55:45,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:45,531 INFO L93 Difference]: Finished difference Result 650 states and 2028 transitions. [2020-10-21 22:55:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:55:45,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:55:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:45,556 INFO L225 Difference]: With dead ends: 650 [2020-10-21 22:55:45,557 INFO L226 Difference]: Without dead ends: 530 [2020-10-21 22:55:45,558 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 22:55:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-21 22:55:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2020-10-21 22:55:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-21 22:55:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1622 transitions. [2020-10-21 22:55:45,656 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1622 transitions. Word has length 5 [2020-10-21 22:55:45,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:45,656 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 1622 transitions. [2020-10-21 22:55:45,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:55:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1622 transitions. [2020-10-21 22:55:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 22:55:45,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:45,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:45,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:55:45,659 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:45,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:45,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1480961116, now seen corresponding path program 1 times [2020-10-21 22:55:45,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:45,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162600551] [2020-10-21 22:55:45,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:45,793 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 22:55:45,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162600551] [2020-10-21 22:55:45,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:45,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:55:45,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539886146] [2020-10-21 22:55:45,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:55:45,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:45,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:55:45,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:55:45,797 INFO L87 Difference]: Start difference. First operand 530 states and 1622 transitions. Second operand 3 states. [2020-10-21 22:55:45,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:45,841 INFO L93 Difference]: Finished difference Result 490 states and 1480 transitions. [2020-10-21 22:55:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:55:45,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 22:55:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:45,847 INFO L225 Difference]: With dead ends: 490 [2020-10-21 22:55:45,847 INFO L226 Difference]: Without dead ends: 490 [2020-10-21 22:55:45,848 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 22:55:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-21 22:55:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2020-10-21 22:55:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-21 22:55:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 1480 transitions. [2020-10-21 22:55:45,880 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 1480 transitions. Word has length 9 [2020-10-21 22:55:45,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:45,881 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 1480 transitions. [2020-10-21 22:55:45,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:55:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1480 transitions. [2020-10-21 22:55:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:55:45,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:45,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:45,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:55:45,885 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:45,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:45,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1552062860, now seen corresponding path program 1 times [2020-10-21 22:55:45,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:45,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225006189] [2020-10-21 22:55:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:46,020 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 22:55:46,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225006189] [2020-10-21 22:55:46,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:46,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:55:46,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098797855] [2020-10-21 22:55:46,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:55:46,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:46,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:55:46,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:55:46,023 INFO L87 Difference]: Start difference. First operand 490 states and 1480 transitions. Second operand 4 states. [2020-10-21 22:55:46,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:46,070 INFO L93 Difference]: Finished difference Result 454 states and 1202 transitions. [2020-10-21 22:55:46,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:55:46,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 22:55:46,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:46,074 INFO L225 Difference]: With dead ends: 454 [2020-10-21 22:55:46,074 INFO L226 Difference]: Without dead ends: 334 [2020-10-21 22:55:46,075 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 22:55:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-10-21 22:55:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2020-10-21 22:55:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-10-21 22:55:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 856 transitions. [2020-10-21 22:55:46,090 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 856 transitions. Word has length 11 [2020-10-21 22:55:46,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:46,090 INFO L481 AbstractCegarLoop]: Abstraction has 334 states and 856 transitions. [2020-10-21 22:55:46,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:55:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 856 transitions. [2020-10-21 22:55:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:55:46,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:46,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:46,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:55:46,094 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:46,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:46,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1884995776, now seen corresponding path program 1 times [2020-10-21 22:55:46,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:46,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234941590] [2020-10-21 22:55:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:46,312 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 22:55:46,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234941590] [2020-10-21 22:55:46,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:46,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:55:46,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483899199] [2020-10-21 22:55:46,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:55:46,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:46,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:55:46,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:55:46,315 INFO L87 Difference]: Start difference. First operand 334 states and 856 transitions. Second operand 5 states. [2020-10-21 22:55:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:46,378 INFO L93 Difference]: Finished difference Result 267 states and 628 transitions. [2020-10-21 22:55:46,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:55:46,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-21 22:55:46,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:46,381 INFO L225 Difference]: With dead ends: 267 [2020-10-21 22:55:46,381 INFO L226 Difference]: Without dead ends: 207 [2020-10-21 22:55:46,382 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 22:55:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-10-21 22:55:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-10-21 22:55:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-21 22:55:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 475 transitions. [2020-10-21 22:55:46,389 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 475 transitions. Word has length 14 [2020-10-21 22:55:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:46,389 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 475 transitions. [2020-10-21 22:55:46,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:55:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 475 transitions. [2020-10-21 22:55:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 22:55:46,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:46,393 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 22:55:46,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:55:46,394 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:46,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:46,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1094508423, now seen corresponding path program 1 times [2020-10-21 22:55:46,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:46,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217788543] [2020-10-21 22:55:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:55:46,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217788543] [2020-10-21 22:55:46,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:46,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:55:46,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468061370] [2020-10-21 22:55:46,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:55:46,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:46,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:55:46,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:55:46,462 INFO L87 Difference]: Start difference. First operand 207 states and 475 transitions. Second operand 4 states. [2020-10-21 22:55:46,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:46,491 INFO L93 Difference]: Finished difference Result 273 states and 607 transitions. [2020-10-21 22:55:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:55:46,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-21 22:55:46,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:46,493 INFO L225 Difference]: With dead ends: 273 [2020-10-21 22:55:46,493 INFO L226 Difference]: Without dead ends: 210 [2020-10-21 22:55:46,494 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 22:55:46,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-21 22:55:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 207. [2020-10-21 22:55:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-21 22:55:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 458 transitions. [2020-10-21 22:55:46,500 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 458 transitions. Word has length 17 [2020-10-21 22:55:46,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:46,501 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 458 transitions. [2020-10-21 22:55:46,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:55:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 458 transitions. [2020-10-21 22:55:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 22:55:46,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:46,502 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 22:55:46,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:55:46,503 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:46,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:46,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1564664255, now seen corresponding path program 2 times [2020-10-21 22:55:46,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:46,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547363544] [2020-10-21 22:55:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:46,656 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 22:55:46,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547363544] [2020-10-21 22:55:46,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:46,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:55:46,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123276245] [2020-10-21 22:55:46,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:55:46,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:46,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:55:46,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:55:46,660 INFO L87 Difference]: Start difference. First operand 207 states and 458 transitions. Second operand 6 states. [2020-10-21 22:55:46,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:46,721 INFO L93 Difference]: Finished difference Result 186 states and 415 transitions. [2020-10-21 22:55:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:55:46,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-21 22:55:46,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:46,723 INFO L225 Difference]: With dead ends: 186 [2020-10-21 22:55:46,723 INFO L226 Difference]: Without dead ends: 92 [2020-10-21 22:55:46,723 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 22:55:46,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-21 22:55:46,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-21 22:55:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-21 22:55:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 185 transitions. [2020-10-21 22:55:46,727 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 185 transitions. Word has length 17 [2020-10-21 22:55:46,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:46,728 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 185 transitions. [2020-10-21 22:55:46,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:55:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2020-10-21 22:55:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 22:55:46,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:46,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:46,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:55:46,729 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:46,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:46,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1083504839, now seen corresponding path program 1 times [2020-10-21 22:55:46,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:46,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400412563] [2020-10-21 22:55:46,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:46,817 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 22:55:46,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400412563] [2020-10-21 22:55:46,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:46,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:55:46,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671454230] [2020-10-21 22:55:46,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:55:46,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:46,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:55:46,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:55:46,820 INFO L87 Difference]: Start difference. First operand 92 states and 185 transitions. Second operand 4 states. [2020-10-21 22:55:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:46,848 INFO L93 Difference]: Finished difference Result 136 states and 272 transitions. [2020-10-21 22:55:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:55:46,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-21 22:55:46,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:46,850 INFO L225 Difference]: With dead ends: 136 [2020-10-21 22:55:46,851 INFO L226 Difference]: Without dead ends: 64 [2020-10-21 22:55:46,851 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 22:55:46,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-21 22:55:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-21 22:55:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-21 22:55:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 117 transitions. [2020-10-21 22:55:46,855 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 117 transitions. Word has length 21 [2020-10-21 22:55:46,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:46,856 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 117 transitions. [2020-10-21 22:55:46,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:55:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2020-10-21 22:55:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 22:55:46,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:46,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:46,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:55:46,858 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:46,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:46,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1291918881, now seen corresponding path program 2 times [2020-10-21 22:55:46,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:46,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289157318] [2020-10-21 22:55:46,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:47,318 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 22:55:47,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289157318] [2020-10-21 22:55:47,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:47,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:55:47,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101624939] [2020-10-21 22:55:47,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:55:47,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:55:47,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:55:47,322 INFO L87 Difference]: Start difference. First operand 64 states and 117 transitions. Second operand 7 states. [2020-10-21 22:55:47,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:47,454 INFO L93 Difference]: Finished difference Result 86 states and 155 transitions. [2020-10-21 22:55:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:55:47,454 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-21 22:55:47,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:47,455 INFO L225 Difference]: With dead ends: 86 [2020-10-21 22:55:47,455 INFO L226 Difference]: Without dead ends: 50 [2020-10-21 22:55:47,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:55:47,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-21 22:55:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-21 22:55:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-21 22:55:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 85 transitions. [2020-10-21 22:55:47,460 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 85 transitions. Word has length 21 [2020-10-21 22:55:47,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:47,460 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 85 transitions. [2020-10-21 22:55:47,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:55:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2020-10-21 22:55:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 22:55:47,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:47,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:47,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:55:47,462 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:47,462 INFO L82 PathProgramCache]: Analyzing trace with hash -730782401, now seen corresponding path program 3 times [2020-10-21 22:55:47,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:47,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530036710] [2020-10-21 22:55:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:47,672 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 22:55:47,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530036710] [2020-10-21 22:55:47,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:47,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:55:47,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480116038] [2020-10-21 22:55:47,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:55:47,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:47,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:55:47,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:55:47,676 INFO L87 Difference]: Start difference. First operand 50 states and 85 transitions. Second operand 7 states. [2020-10-21 22:55:47,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:47,787 INFO L93 Difference]: Finished difference Result 60 states and 99 transitions. [2020-10-21 22:55:47,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:55:47,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-21 22:55:47,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:47,789 INFO L225 Difference]: With dead ends: 60 [2020-10-21 22:55:47,789 INFO L226 Difference]: Without dead ends: 42 [2020-10-21 22:55:47,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:55:47,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-21 22:55:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-21 22:55:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-21 22:55:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 65 transitions. [2020-10-21 22:55:47,797 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 65 transitions. Word has length 21 [2020-10-21 22:55:47,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:47,798 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 65 transitions. [2020-10-21 22:55:47,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:55:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2020-10-21 22:55:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 22:55:47,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:47,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:47,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:55:47,802 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:55:47,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:47,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1549815649, now seen corresponding path program 4 times [2020-10-21 22:55:47,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:47,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487044675] [2020-10-21 22:55:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:55:47,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:55:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:55:47,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:55:48,002 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:55:48,003 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:55:48,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:55:48,004 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 22:55:48,027 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [974] [974] L845-->L852: Formula: (let ((.cse7 (= (mod ~x$w_buff1_used~0_In1061636338 256) 0)) (.cse6 (= (mod ~x$r_buff1_thd0~0_In1061636338 256) 0)) (.cse9 (= (mod ~x$r_buff0_thd0~0_In1061636338 256) 0)) (.cse8 (= (mod ~x$w_buff0_used~0_In1061636338 256) 0))) (let ((.cse1 (not .cse8)) (.cse2 (not .cse9)) (.cse0 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and (= ~x$w_buff0_used~0_In1061636338 ~x$w_buff0_used~0_Out1061636338) .cse0) (and .cse1 (= ~x$w_buff0_used~0_Out1061636338 0) .cse2)) (or (and .cse3 (= ~x$w_buff1_used~0_In1061636338 ~x$w_buff1_used~0_Out1061636338)) (and .cse4 (= ~x$w_buff1_used~0_Out1061636338 0) .cse5)) (= ~x$r_buff1_thd0~0_Out1061636338 ~x$r_buff1_thd0~0_In1061636338) (= ~x$r_buff0_thd0~0_Out1061636338 ~x$r_buff0_thd0~0_In1061636338) (or (and .cse1 .cse2 (= ~x~0_Out1061636338 ~x$w_buff0~0_In1061636338)) (and .cse0 (or (and .cse4 .cse5 (= ~x~0_Out1061636338 ~x$w_buff1~0_In1061636338)) (and .cse3 (= ~x~0_In1061636338 ~x~0_Out1061636338))))) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1061636338 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1061636338|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1061636338 0))))) InVars {~x$w_buff0~0=~x$w_buff0~0_In1061636338, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1061636338, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1061636338|, ~x$w_buff1~0=~x$w_buff1~0_In1061636338, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1061636338, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1061636338, ~x~0=~x~0_In1061636338, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1061636338} OutVars{~x$w_buff0~0=~x$w_buff0~0_In1061636338, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out1061636338, ~x$w_buff1~0=~x$w_buff1~0_In1061636338, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out1061636338|, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out1061636338, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out1061636338|, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out1061636338|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out1061636338, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out1061636338|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out1061636338|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out1061636338, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out1061636338|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1061636338|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1061636338, ~x~0=~x~0_Out1061636338} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~x$w_buff1_used~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite48, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite43, ~x~0, ULTIMATE.start_main_#t~ite45, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2020-10-21 22:55:48,034 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 22:55:48,034 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [775] [2020-10-21 22:55:48,036 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 22:55:48,036 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,037 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 22:55:48,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,037 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 22:55:48,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,037 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 22:55:48,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,038 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 22:55:48,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,038 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 22:55:48,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,039 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 22:55:48,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,039 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 22:55:48,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,039 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 22:55:48,040 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,040 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 22:55:48,040 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,040 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 22:55:48,040 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,040 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 22:55:48,041 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,041 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 22:55:48,041 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,041 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 22:55:48,041 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,042 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 22:55:48,042 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,042 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 22:55:48,042 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,042 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 22:55:48,042 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,043 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 22:55:48,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,043 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 22:55:48,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,044 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 22:55:48,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,044 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 22:55:48,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,044 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 22:55:48,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,045 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 22:55:48,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:55:48,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:55:48 BasicIcfg [2020-10-21 22:55:48,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:55:48,130 INFO L168 Benchmark]: Toolchain (without parser) took 9987.49 ms. Allocated memory was 140.0 MB in the beginning and 339.2 MB in the end (delta: 199.2 MB). Free memory was 101.3 MB in the beginning and 256.1 MB in the end (delta: -154.8 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,131 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.21 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 154.0 MB in the end (delta: -53.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.58 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 151.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,133 INFO L168 Benchmark]: Boogie Preprocessor took 46.81 ms. Allocated memory is still 202.9 MB. Free memory was 150.7 MB in the beginning and 148.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,137 INFO L168 Benchmark]: RCFGBuilder took 2159.19 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 148.7 MB in the beginning and 189.8 MB in the end (delta: -41.1 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,141 INFO L168 Benchmark]: TraceAbstraction took 6943.19 ms. Allocated memory was 247.5 MB in the beginning and 339.2 MB in the end (delta: 91.8 MB). Free memory was 189.6 MB in the beginning and 256.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-10-21 22:55:48,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.21 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 154.0 MB in the end (delta: -53.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.58 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 151.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.81 ms. Allocated memory is still 202.9 MB. Free memory was 150.7 MB in the beginning and 148.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2159.19 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 148.7 MB in the beginning and 189.8 MB in the end (delta: -41.1 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6943.19 ms. Allocated memory was 247.5 MB in the beginning and 339.2 MB in the end (delta: 91.8 MB). Free memory was 189.6 MB in the beginning and 256.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 993 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 84 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 111 PlacesBefore, 36 PlacesAfterwards, 104 TransitionsBefore, 27 TransitionsAfterwards, 1844 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 98 TotalNumberOfCompositions, 5473 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L723] 0 _Bool x$flush_delayed; [L724] 0 int x$mem_tmp; [L725] 0 _Bool x$r_buff0_thd0; [L726] 0 _Bool x$r_buff0_thd1; [L727] 0 _Bool x$r_buff0_thd2; [L728] 0 _Bool x$r_buff0_thd3; [L729] 0 _Bool x$r_buff1_thd0; [L730] 0 _Bool x$r_buff1_thd1; [L731] 0 _Bool x$r_buff1_thd2; [L732] 0 _Bool x$r_buff1_thd3; [L733] 0 _Bool x$read_delayed; [L734] 0 int *x$read_delayed_var; [L735] 0 int x$w_buff0; [L736] 0 _Bool x$w_buff0_used; [L737] 0 int x$w_buff1; [L738] 0 _Bool x$w_buff1_used; [L740] 0 int y = 0; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L836] 0 pthread_t t424; [L837] FCALL, FORK 0 pthread_create(&t424, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L838] 0 pthread_t t425; [L839] FCALL, FORK 0 pthread_create(&t425, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L776] 2 x$w_buff1 = x$w_buff0 [L777] 2 x$w_buff0 = 1 [L778] 2 x$w_buff1_used = x$w_buff0_used [L779] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L781] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L782] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L783] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L784] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L785] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L840] 0 pthread_t t426; [L841] FCALL, FORK 0 pthread_create(&t426, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L788] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L805] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L808] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L811] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L748] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L814] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L815] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L816] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L816] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L817] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L818] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L818] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L751] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L752] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L753] 1 x$flush_delayed = weak$$choice2 [L754] 1 x$mem_tmp = x [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L758] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L758] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L758] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L758] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L760] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L760] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L760] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 __unbuffered_p0_EAX = x [L763] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L763] 1 x = x$flush_delayed ? x$mem_tmp : x [L764] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L854] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "mix016_rmo.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 102 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 237 SDtfs, 223 SDslu, 426 SDs, 0 SdLazy, 177 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=778occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 13461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...