/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_s2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:25:59,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:25:59,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:25:59,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:25:59,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:25:59,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:25:59,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:25:59,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:25:59,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:25:59,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:25:59,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:25:59,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:25:59,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:25:59,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:25:59,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:25:59,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:25:59,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:25:59,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:25:59,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:25:59,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:25:59,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:25:59,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:25:59,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:25:59,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:25:59,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:25:59,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:25:59,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:25:59,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:25:59,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:25:59,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:25:59,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:25:59,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:25:59,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:25:59,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:25:59,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:25:59,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:25:59,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:25:59,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:25:59,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:25:59,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:25:59,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:25:59,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:25:59,375 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:25:59,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:25:59,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:25:59,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:25:59,377 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:25:59,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:25:59,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:25:59,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:25:59,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:25:59,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:25:59,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:25:59,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:25:59,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:25:59,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:25:59,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:25:59,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:25:59,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:25:59,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:25:59,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:25:59,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:25:59,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:25:59,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:25:59,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:25:59,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:25:59,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:25:59,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:25:59,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:25:59,381 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:25:59,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:25:59,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:25:59,382 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:25:59,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:25:59,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:25:59,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:25:59,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:25:59,750 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:25:59,751 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s2.i [2020-10-16 12:25:59,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf8f965e/753007f0189844d9bcb5839abb3cb29a/FLAG16bf7c6f2 [2020-10-16 12:26:00,304 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:26:00,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/bigshot_s2.i [2020-10-16 12:26:00,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf8f965e/753007f0189844d9bcb5839abb3cb29a/FLAG16bf7c6f2 [2020-10-16 12:26:00,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf8f965e/753007f0189844d9bcb5839abb3cb29a [2020-10-16 12:26:00,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:26:00,671 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:26:00,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:26:00,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:26:00,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:26:00,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:26:00" (1/1) ... [2020-10-16 12:26:00,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448bc5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:00, skipping insertion in model container [2020-10-16 12:26:00,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:26:00" (1/1) ... [2020-10-16 12:26:00,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:26:00,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:26:01,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:26:01,367 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:26:01,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:26:01,644 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:26:01,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01 WrapperNode [2020-10-16 12:26:01,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:26:01,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:26:01,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:26:01,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:26:01,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:26:01,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:26:01,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:26:01,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:26:01,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:26:01,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:26:01,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:26:01,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:26:01,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:26:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:26:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:26:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-16 12:26:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:26:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-16 12:26:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-16 12:26:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-16 12:26:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-16 12:26:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:26:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-16 12:26:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:26:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:26:01,827 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:26:02,220 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:26:02,220 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 12:26:02,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:26:02 BoogieIcfgContainer [2020-10-16 12:26:02,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:26:02,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:26:02,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:26:02,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:26:02,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:26:00" (1/3) ... [2020-10-16 12:26:02,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6c24c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:26:02, skipping insertion in model container [2020-10-16 12:26:02,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (2/3) ... [2020-10-16 12:26:02,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6c24c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:26:02, skipping insertion in model container [2020-10-16 12:26:02,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:26:02" (3/3) ... [2020-10-16 12:26:02,232 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-10-16 12:26:02,244 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:26:02,244 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:26:02,252 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 12:26:02,253 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:26:02,282 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,283 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,283 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,283 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,286 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,286 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,297 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,298 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,298 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,298 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,298 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,300 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,307 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,307 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,307 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,308 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,308 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,308 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,315 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 12:26:02,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 12:26:02,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:26:02,349 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:26:02,350 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:26:02,350 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:26:02,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:26:02,350 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:26:02,350 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:26:02,350 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:26:02,362 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:26:02,362 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions, 152 flow [2020-10-16 12:26:02,364 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 65 transitions, 152 flow [2020-10-16 12:26:02,366 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 152 flow [2020-10-16 12:26:02,407 INFO L129 PetriNetUnfolder]: 4/61 cut-off events. [2020-10-16 12:26:02,408 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 12:26:02,412 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 61 events. 4/61 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-16 12:26:02,414 INFO L117 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-16 12:26:03,750 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-16 12:26:03,917 INFO L132 LiptonReduction]: Checked pairs total: 187 [2020-10-16 12:26:03,917 INFO L134 LiptonReduction]: Total number of compositions: 61 [2020-10-16 12:26:03,924 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-16 12:26:03,933 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-16 12:26:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-16 12:26:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:26:03,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:03,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:03,944 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:26:03,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:03,949 INFO L82 PathProgramCache]: Analyzing trace with hash -509445840, now seen corresponding path program 1 times [2020-10-16 12:26:03,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:03,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305772751] [2020-10-16 12:26:03,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:04,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305772751] [2020-10-16 12:26:04,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:04,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:26:04,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2061735933] [2020-10-16 12:26:04,191 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:04,197 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:04,217 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-16 12:26:04,218 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:04,236 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:04,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:26:04,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:04,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:26:04,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:04,258 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-16 12:26:04,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:04,277 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-16 12:26:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:26:04,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:26:04,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:04,289 INFO L225 Difference]: With dead ends: 19 [2020-10-16 12:26:04,289 INFO L226 Difference]: Without dead ends: 18 [2020-10-16 12:26:04,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:04,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-16 12:26:04,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-16 12:26:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-16 12:26:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-16 12:26:04,328 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-16 12:26:04,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:04,329 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-16 12:26:04,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:26:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-16 12:26:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:04,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:04,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:04,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:26:04,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:26:04,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:04,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1467521456, now seen corresponding path program 1 times [2020-10-16 12:26:04,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:04,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090261366] [2020-10-16 12:26:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:26:04,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:26:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:26:04,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:26:04,467 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:26:04,468 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:26:04,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:26:04,470 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:26:04,500 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [231] [231] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1450992736|) (= (select (select |#memory_int_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1450992736|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In1450992736|)) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out1450992736|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1450992736|) (= (store |#memory_int_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1450992736| (store (select |#memory_int_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1450992736|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1450992736| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In1450992736|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out1450992736|)) |#memory_int_Out1450992736|) (= |thread2Thread1of1ForFork0_#res.offset_Out1450992736| 0) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out1450992736| 0) (= |thread2Thread1of1ForFork0_#res.base_Out1450992736| 0)) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1450992736|, #memory_int=|#memory_int_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1450992736|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1450992736|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1450992736|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1450992736|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out1450992736|, #memory_int=|#memory_int_Out1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1450992736|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out1450992736|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12, thread2Thread1of1ForFork0_#t~strcpy~res4.offset] because there is no mapped edge [2020-10-16 12:26:04,525 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,526 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,526 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,527 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,527 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,527 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,528 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,529 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,531 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,532 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,532 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,532 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,533 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,533 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,533 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,533 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,534 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,534 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,537 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,540 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,541 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,541 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,543 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,543 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,543 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,544 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 12:26:04,544 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 12:26:04,544 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 12:26:04,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:26:04 BasicIcfg [2020-10-16 12:26:04,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:26:04,571 INFO L168 Benchmark]: Toolchain (without parser) took 3900.72 ms. Allocated memory was 142.6 MB in the beginning and 244.3 MB in the end (delta: 101.7 MB). Free memory was 103.2 MB in the beginning and 205.7 MB in the end (delta: -102.5 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,573 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.20 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 103.2 MB in the beginning and 123.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.54 ms. Allocated memory is still 204.5 MB. Free memory was 123.9 MB in the beginning and 122.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,576 INFO L168 Benchmark]: Boogie Preprocessor took 33.37 ms. Allocated memory is still 204.5 MB. Free memory was 122.1 MB in the beginning and 120.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,577 INFO L168 Benchmark]: RCFGBuilder took 477.58 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 120.3 MB in the beginning and 205.0 MB in the end (delta: -84.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,578 INFO L168 Benchmark]: TraceAbstraction took 2345.38 ms. Allocated memory was 233.3 MB in the beginning and 244.3 MB in the end (delta: 11.0 MB). Free memory was 205.0 MB in the beginning and 205.7 MB in the end (delta: -766.6 kB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:26:04,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 974.20 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 103.2 MB in the beginning and 123.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.54 ms. Allocated memory is still 204.5 MB. Free memory was 123.9 MB in the beginning and 122.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.37 ms. Allocated memory is still 204.5 MB. Free memory was 122.1 MB in the beginning and 120.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 477.58 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 120.3 MB in the beginning and 205.0 MB in the end (delta: -84.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2345.38 ms. Allocated memory was 233.3 MB in the beginning and 244.3 MB in the end (delta: 11.0 MB). Free memory was 205.0 MB in the beginning and 205.7 MB in the end (delta: -766.6 kB). Peak memory consumption was 118.0 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.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 54 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 66 PlacesBefore, 24 PlacesAfterwards, 65 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 61 TotalNumberOfCompositions, 187 MoverChecksTotal - UnprovableResult [Line: 1088]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1097. Possible FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1092] 1 v = malloc(sizeof(char) * 8) [L1093] 1 return 0; [L1104] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1104] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1105] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1097] COND TRUE 2 \read(*v) [L1097] CALL 2 strcpy(v, "Bigshot") [L1106] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1107] 0 v[0] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...