/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-ext/28_buggy_simple_loop1_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:50:48,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:50:48,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:50:48,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:50:48,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:50:48,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:50:48,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:50:48,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:50:48,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:50:48,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:50:48,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:50:48,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:50:48,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:50:48,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:50:48,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:50:48,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:50:48,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:50:48,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:50:48,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:50:48,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:50:48,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:50:48,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:50:48,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:50:48,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:50:48,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:50:48,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:50:48,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:50:48,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:50:48,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:50:48,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:50:48,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:50:48,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:50:48,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:50:48,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:50:48,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:50:48,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:50:48,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:50:48,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:50:48,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:50:48,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:50:48,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:50:48,364 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-McrAutomaton-WP.epf [2020-10-21 23:50:48,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:50:48,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:50:48,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:50:48,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:50:48,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:50:48,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:50:48,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:50:48,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:50:48,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:50:48,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:50:48,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:50:48,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:50:48,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:50:48,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:50:48,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:50:48,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:50:48,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:50:48,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:50:48,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:50:48,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:50:48,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:50:48,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:50:48,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:50:48,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:50:48,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:50:48,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:50:48,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:50:48,393 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-21 23:50:48,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:50:48,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:50:48,393 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-21 23:50:48,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:50:48,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:50:48,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:50:48,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:50:48,721 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:50:48,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2020-10-21 23:50:48,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d57905be/c3cb0b4b6f2a4220bee1394ad4d94c3c/FLAG6d8249163 [2020-10-21 23:50:49,360 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:50:49,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2020-10-21 23:50:49,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d57905be/c3cb0b4b6f2a4220bee1394ad4d94c3c/FLAG6d8249163 [2020-10-21 23:50:49,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d57905be/c3cb0b4b6f2a4220bee1394ad4d94c3c [2020-10-21 23:50:49,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:50:49,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:50:49,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:50:49,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:50:49,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:50:49,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:50:49" (1/1) ... [2020-10-21 23:50:49,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58031a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:49, skipping insertion in model container [2020-10-21 23:50:49,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:50:49" (1/1) ... [2020-10-21 23:50:49,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:50:49,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:50:50,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:50:50,231 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:50:50,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:50:50,375 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:50:50,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50 WrapperNode [2020-10-21 23:50:50,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:50:50,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:50:50,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:50:50,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:50:50,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:50:50,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:50:50,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:50:50,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:50:50,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... [2020-10-21 23:50:50,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:50:50,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:50:50,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:50:50,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:50:50,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:50:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-21 23:50:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-21 23:50:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:50:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:50:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:50:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:50:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:50:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:50:50,528 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:50:50,924 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:50:50,924 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 23:50:50,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:50:50 BoogieIcfgContainer [2020-10-21 23:50:50,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:50:50,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:50:50,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:50:50,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:50:50,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:50:49" (1/3) ... [2020-10-21 23:50:50,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7edffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:50:50, skipping insertion in model container [2020-10-21 23:50:50,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:50:50" (2/3) ... [2020-10-21 23:50:50,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7edffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:50:50, skipping insertion in model container [2020-10-21 23:50:50,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:50:50" (3/3) ... [2020-10-21 23:50:50,936 INFO L111 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2020-10-21 23:50:50,948 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:50:50,948 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:50:50,956 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:50:50,958 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:50:50,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:50,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,001 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:50:51,018 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:50:51,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 23:50:51,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:50:51,055 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:50:51,055 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:50:51,055 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:50:51,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:50:51,056 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:50:51,056 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:50:51,056 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:50:51,070 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:50:51,071 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 65 transitions, 135 flow [2020-10-21 23:50:51,073 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 65 transitions, 135 flow [2020-10-21 23:50:51,075 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 65 transitions, 135 flow [2020-10-21 23:50:51,117 INFO L129 PetriNetUnfolder]: 11/73 cut-off events. [2020-10-21 23:50:51,117 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:50:51,125 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 73 events. 11/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2020-10-21 23:50:51,128 INFO L116 LiptonReduction]: Number of co-enabled transitions 880 [2020-10-21 23:50:54,114 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-21 23:50:54,512 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-10-21 23:50:54,734 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-21 23:50:55,066 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-10-21 23:50:55,070 INFO L131 LiptonReduction]: Checked pairs total: 667 [2020-10-21 23:50:55,071 INFO L133 LiptonReduction]: Total number of compositions: 57 [2020-10-21 23:50:55,078 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 17 transitions, 39 flow [2020-10-21 23:50:55,090 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 39 states. [2020-10-21 23:50:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-21 23:50:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:50:55,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:50:55,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 23:50:55,103 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 23:50:55,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:50:55,108 INFO L82 PathProgramCache]: Analyzing trace with hash 468353290, now seen corresponding path program 1 times [2020-10-21 23:50:55,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:50:55,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870378527] [2020-10-21 23:50:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:50:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:50:55,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:50:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:50:55,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:50:55,362 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:50:55,363 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:50:55,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:50:55,364 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:50:55,369 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L688-6-->L688-7: Formula: (not (< (mod thr1Thread1of1ForFork0_~i~0_In-101652879 4294967296) (mod thr1Thread1of1ForFork0_~x~0_In-101652879 4294967296))) InVars {thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In-101652879, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In-101652879} OutVars{thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In-101652879, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In-101652879} AuxVars[] AssignedVars[] because there is no mapped edge [2020-10-21 23:50:55,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:50:55 BasicIcfg [2020-10-21 23:50:55,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:50:55,387 INFO L168 Benchmark]: Toolchain (without parser) took 5737.14 ms. Allocated memory was 139.5 MB in the beginning and 249.0 MB in the end (delta: 109.6 MB). Free memory was 101.8 MB in the beginning and 203.4 MB in the end (delta: -101.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:50:55,388 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:50:55,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.34 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 158.7 MB in the end (delta: -57.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:50:55,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.94 ms. Allocated memory is still 202.4 MB. Free memory was 158.7 MB in the beginning and 156.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-21 23:50:55,391 INFO L168 Benchmark]: Boogie Preprocessor took 28.42 ms. Allocated memory is still 202.4 MB. Free memory was 156.6 MB in the beginning and 155.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:50:55,392 INFO L168 Benchmark]: RCFGBuilder took 472.05 ms. Allocated memory is still 202.4 MB. Free memory was 155.2 MB in the beginning and 133.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:50:55,393 INFO L168 Benchmark]: TraceAbstraction took 4457.50 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: -70.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-21 23:50:55,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.34 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 158.7 MB in the end (delta: -57.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.94 ms. Allocated memory is still 202.4 MB. Free memory was 158.7 MB in the beginning and 156.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.42 ms. Allocated memory is still 202.4 MB. Free memory was 156.6 MB in the beginning and 155.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.05 ms. Allocated memory is still 202.4 MB. Free memory was 155.2 MB in the beginning and 133.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4457.50 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: -70.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 425 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 11 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 58 PlacesBefore, 15 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 880 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 57 TotalNumberOfCompositions, 667 MoverChecksTotal - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L700] 0 pthread_t t; [L701] COND TRUE 0 1 [L703] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L687] 1 int i, j=1, k=1; [L688] 1 i=0 [L695] COND TRUE 1 !(i == x && ( j == y || y <= x+1) && (x == 0 || y <= x+1 || k == z || z < y)) [L12] COND FALSE 1 !(0) [L12] 1 __assert_fail ("0", "28_buggy_simple_loop1_vf.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...