/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/bigshot_p.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:07:32,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:07:32,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:07:32,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:07:32,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:07:32,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:07:32,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:07:32,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:07:32,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:07:32,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:07:32,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:07:32,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:07:32,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:07:32,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:07:32,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:07:32,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:07:32,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:07:32,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:07:32,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:07:32,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:07:32,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:07:32,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:07:32,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:07:32,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:07:32,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:07:32,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:07:32,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:07:32,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:07:32,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:07:32,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:07:32,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:07:32,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:07:32,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:07:32,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:07:32,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:07:32,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:07:32,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:07:32,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:07:32,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:07:32,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:07:32,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:07:32,199 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 [2020-10-05 23:07:32,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:07:32,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:07:32,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:07:32,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:07:32,232 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:07:32,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:07:32,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:07:32,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:07:32,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:07:32,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:07:32,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:07:32,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:07:32,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:07:32,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:07:32,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:07:32,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:07:32,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:07:32,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:07:32,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:07:32,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:07:32,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:07:32,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:07:32,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:07:32,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:07:32,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:07:32,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:07:32,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:07:32,237 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:07:32,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:07:32,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:07:32,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:07:32,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:07:32,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:07:32,584 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:07:32,585 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_p.i [2020-10-05 23:07:32,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f9932180/86b7ae6f4bbe421087820821e2577b96/FLAGef95b23fe [2020-10-05 23:07:33,242 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:07:33,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i [2020-10-05 23:07:33,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f9932180/86b7ae6f4bbe421087820821e2577b96/FLAGef95b23fe [2020-10-05 23:07:33,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f9932180/86b7ae6f4bbe421087820821e2577b96 [2020-10-05 23:07:33,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:07:33,578 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:07:33,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:07:33,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:07:33,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:07:33,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:07:33" (1/1) ... [2020-10-05 23:07:33,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0eb02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:33, skipping insertion in model container [2020-10-05 23:07:33,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:07:33" (1/1) ... [2020-10-05 23:07:33,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:07:33,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:07:34,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:07:34,261 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:07:34,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:07:34,521 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:07:34,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34 WrapperNode [2020-10-05 23:07:34,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:07:34,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:07:34,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:07:34,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:07:34,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:07:34,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:07:34,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:07:34,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:07:34,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:07:34,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:07:34,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:07:34,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:07:34,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (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 [2020-10-05 23:07:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:07:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:07:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-05 23:07:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:07:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-05 23:07:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-05 23:07:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-05 23:07:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-05 23:07:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:07:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-05 23:07:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:07:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:07:34,694 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:07:35,114 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:07:35,115 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:07:35,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:07:35 BoogieIcfgContainer [2020-10-05 23:07:35,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:07:35,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:07:35,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:07:35,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:07:35,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:07:33" (1/3) ... [2020-10-05 23:07:35,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550a575e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:07:35, skipping insertion in model container [2020-10-05 23:07:35,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (2/3) ... [2020-10-05 23:07:35,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550a575e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:07:35, skipping insertion in model container [2020-10-05 23:07:35,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:07:35" (3/3) ... [2020-10-05 23:07:35,128 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-10-05 23:07:35,152 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:07:35,153 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:07:35,161 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:07:35,162 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:07:35,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,194 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,194 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,212 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,212 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,223 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,224 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,250 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-05 23:07:35,274 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:07:35,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:07:35,275 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:07:35,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:07:35,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:07:35,275 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:07:35,276 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:07:35,276 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:07:35,293 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 72 transitions, 166 flow [2020-10-05 23:07:35,295 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-10-05 23:07:35,342 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-10-05 23:07:35,343 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:07:35,347 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-10-05 23:07:35,350 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-10-05 23:07:35,371 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-10-05 23:07:35,371 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:07:35,372 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-10-05 23:07:35,374 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 568 [2020-10-05 23:07:35,375 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:07:36,696 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-05 23:07:37,181 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-05 23:07:37,249 INFO L206 etLargeBlockEncoding]: Checked pairs total: 773 [2020-10-05 23:07:37,249 INFO L214 etLargeBlockEncoding]: Total number of compositions: 61 [2020-10-05 23:07:37,253 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 25 transitions, 72 flow [2020-10-05 23:07:37,265 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 66 states. [2020-10-05 23:07:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-05 23:07:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:07:37,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:07:37,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:07:37,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:07:37,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:07:37,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1788700226, now seen corresponding path program 1 times [2020-10-05 23:07:37,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:07:37,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457475445] [2020-10-05 23:07:37,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:07:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:07:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:07:37,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457475445] [2020-10-05 23:07:37,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:07:37,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:07:37,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116273850] [2020-10-05 23:07:37,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:07:37,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:07:37,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:07:37,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:07:37,546 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2020-10-05 23:07:37,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:07:37,609 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2020-10-05 23:07:37,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:07:37,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-05 23:07:37,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:07:37,623 INFO L225 Difference]: With dead ends: 66 [2020-10-05 23:07:37,624 INFO L226 Difference]: Without dead ends: 65 [2020-10-05 23:07:37,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:07:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-05 23:07:37,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-05 23:07:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-05 23:07:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 130 transitions. [2020-10-05 23:07:37,671 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 130 transitions. Word has length 14 [2020-10-05 23:07:37,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:07:37,672 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 130 transitions. [2020-10-05 23:07:37,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:07:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2020-10-05 23:07:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:07:37,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:07:37,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:07:37,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:07:37,674 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:07:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:07:37,675 INFO L82 PathProgramCache]: Analyzing trace with hash -180019050, now seen corresponding path program 2 times [2020-10-05 23:07:37,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:07:37,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289277057] [2020-10-05 23:07:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:07:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:07:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:07:37,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289277057] [2020-10-05 23:07:37,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:07:37,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:07:37,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733171746] [2020-10-05 23:07:37,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:07:37,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:07:37,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:07:37,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:07:37,792 INFO L87 Difference]: Start difference. First operand 65 states and 130 transitions. Second operand 7 states. [2020-10-05 23:07:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:07:37,924 INFO L93 Difference]: Finished difference Result 88 states and 160 transitions. [2020-10-05 23:07:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:07:37,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-05 23:07:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:07:37,926 INFO L225 Difference]: With dead ends: 88 [2020-10-05 23:07:37,926 INFO L226 Difference]: Without dead ends: 79 [2020-10-05 23:07:37,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:07:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-05 23:07:37,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-10-05 23:07:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-05 23:07:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 138 transitions. [2020-10-05 23:07:37,937 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 138 transitions. Word has length 14 [2020-10-05 23:07:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:07:37,938 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 138 transitions. [2020-10-05 23:07:37,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:07:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2020-10-05 23:07:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:07:37,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:07:37,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:07:37,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:07:37,940 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:07:37,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:07:37,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1891628826, now seen corresponding path program 1 times [2020-10-05 23:07:37,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:07:37,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205492683] [2020-10-05 23:07:37,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:07:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:07:37,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:07:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:07:38,009 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:07:38,041 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:07:38,041 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:07:38,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:07:38,042 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:07:38,050 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L1107-->L1088: Formula: (let ((.cse2 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1458201013| 1)) (.cse1 (= ~v~0.base_In-1458201013 0)) (.cse0 (= 0 ~v~0.offset_In-1458201013))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_#t~mem9_In-1458201013| |ULTIMATE.start_main_#t~mem9_Out-1458201013|) |ULTIMATE.start_main_#t~short10_Out-1458201013| .cse2) (let ((.cse3 (not |ULTIMATE.start_main_#t~short10_Out-1458201013|))) (and (or (and (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1458201013| 0) .cse3) (and |ULTIMATE.start_main_#t~short10_Out-1458201013| .cse2)) (or (not .cse1) (not .cse0)) (= |ULTIMATE.start_main_#t~mem9_Out-1458201013| (select (select |#memory_int_In-1458201013| ~v~0.base_In-1458201013) ~v~0.offset_In-1458201013)) (let ((.cse4 (= 66 |ULTIMATE.start_main_#t~mem9_Out-1458201013|))) (or (and .cse4 |ULTIMATE.start_main_#t~short10_Out-1458201013|) (and (not .cse4) .cse3))))))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In-1458201013|, ~v~0.offset=~v~0.offset_In-1458201013, #memory_int=|#memory_int_In-1458201013|, ~v~0.base=~v~0.base_In-1458201013} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out-1458201013|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1458201013, ~v~0.offset=~v~0.offset_In-1458201013, #memory_int=|#memory_int_In-1458201013|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out-1458201013|, ~v~0.base=~v~0.base_In-1458201013, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1458201013|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-05 23:07:38,066 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,067 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,068 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,069 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,070 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,070 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,074 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,075 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,078 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,078 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,080 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,083 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,084 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,085 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,086 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,086 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,090 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,092 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,092 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,093 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,093 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,093 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-05 23:07:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:07:38 BasicIcfg [2020-10-05 23:07:38,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:07:38,125 INFO L168 Benchmark]: Toolchain (without parser) took 4546.26 ms. Allocated memory was 140.5 MB in the beginning and 246.4 MB in the end (delta: 105.9 MB). Free memory was 101.6 MB in the beginning and 134.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,126 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.96 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 123.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.32 ms. Allocated memory is still 203.9 MB. Free memory was 123.1 MB in the beginning and 120.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,131 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 203.9 MB. Free memory was 120.5 MB in the beginning and 119.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,138 INFO L168 Benchmark]: RCFGBuilder took 499.82 ms. Allocated memory is still 203.9 MB. Free memory was 118.5 MB in the beginning and 94.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,140 INFO L168 Benchmark]: TraceAbstraction took 3001.96 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 93.6 MB in the beginning and 134.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:38,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 943.96 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 123.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.32 ms. Allocated memory is still 203.9 MB. Free memory was 123.1 MB in the beginning and 120.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 203.9 MB. Free memory was 120.5 MB in the beginning and 119.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.82 ms. Allocated memory is still 203.9 MB. Free memory was 118.5 MB in the beginning and 94.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3001.96 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 93.6 MB in the beginning and 134.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 72 ProgramPointsBefore, 27 ProgramPointsAfterwards, 72 TransitionsBefore, 25 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 288 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 773 CheckedPairsTotal, 61 TotalNumberOfCompositions - CounterExampleResult [Line: 1088]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1104] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1105] 0 \read(t1) VAL [v={0:0}] [L1097] COND FALSE 2 !(\read(*v)) [L1098] 2 return 0; [L1092] 1 v = calloc(8, sizeof(char)) [L1093] 1 return 0; [L1105] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1106] 0 \read(t2) VAL [v={3:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 52 SDtfs, 105 SDslu, 53 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...