/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:07:44,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:07:44,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:07:44,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:07:44,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:07:44,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:07:44,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:07:44,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:07:44,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:07:44,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:07:44,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:07:44,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:07:44,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:07:44,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:07:44,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:07:44,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:07:44,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:07:44,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:07:44,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:07:44,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:07:44,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:07:44,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:07:44,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:07:44,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:07:44,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 08:07:44,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:07:44,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:07:44,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:07:44,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:07:44,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:07:44,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:07:44,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:07:44,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:07:44,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:07:44,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:07:44,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:07:44,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 08:07:44,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:07:44,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:07:44,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:07:44,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:07:44,984 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:07:44,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:07:44,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:07:44,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:07:44,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:07:44,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:07:44,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:07:44,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:07:44,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:07:44,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:07:44,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:07:44,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:07:44,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:07:44,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:07:44,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:07:44,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:07:44,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:07:44,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:07:44,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:07:44,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:07:44,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:07:44,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:07:44,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:07:44,990 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 08:07:44,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:07:44,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:07:45,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:07:45,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:07:45,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:07:45,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:07:45,321 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:07:45,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2019-12-27 08:07:45,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68595b4b/97ecb7abd7444c29b3ab5a15f5643940/FLAG2f87acc1f [2019-12-27 08:07:45,964 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:07:45,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2019-12-27 08:07:45,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68595b4b/97ecb7abd7444c29b3ab5a15f5643940/FLAG2f87acc1f [2019-12-27 08:07:46,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68595b4b/97ecb7abd7444c29b3ab5a15f5643940 [2019-12-27 08:07:46,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:07:46,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:07:46,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:07:46,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:07:46,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:07:46,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:07:46" (1/1) ... [2019-12-27 08:07:46,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41de4019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:46, skipping insertion in model container [2019-12-27 08:07:46,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:07:46" (1/1) ... [2019-12-27 08:07:46,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:07:46,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:07:46,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:07:46,876 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:07:46,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:07:47,027 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:07:47,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47 WrapperNode [2019-12-27 08:07:47,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:07:47,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:07:47,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:07:47,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:07:47,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:07:47,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:07:47,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:07:47,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:07:47,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (1/1) ... [2019-12-27 08:07:47,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:07:47,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:07:47,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:07:47,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:07:47,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (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 [2019-12-27 08:07:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:07:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 08:07:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:07:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:07:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 08:07:47,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 08:07:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 08:07:47,179 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 08:07:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 08:07:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:07:47,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:07:47,181 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 08:07:47,455 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:07:47,455 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 08:07:47,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:07:47 BoogieIcfgContainer [2019-12-27 08:07:47,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:07:47,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:07:47,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:07:47,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:07:47,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:07:46" (1/3) ... [2019-12-27 08:07:47,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a70e9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:07:47, skipping insertion in model container [2019-12-27 08:07:47,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:07:47" (2/3) ... [2019-12-27 08:07:47,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a70e9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:07:47, skipping insertion in model container [2019-12-27 08:07:47,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:07:47" (3/3) ... [2019-12-27 08:07:47,467 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2019-12-27 08:07:47,478 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:07:47,478 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:07:47,485 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:07:47,486 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:07:47,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,516 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,517 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,517 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,518 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,519 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,519 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,526 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,526 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,526 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,527 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,532 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,533 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:07:47,550 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 08:07:47,566 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:07:47,566 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:07:47,566 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:07:47,567 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:07:47,567 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:07:47,567 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:07:47,567 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:07:47,567 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:07:47,582 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 41 transitions [2019-12-27 08:07:47,584 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-27 08:07:47,620 INFO L132 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-27 08:07:47,621 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 08:07:47,627 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 08:07:47,630 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-27 08:07:47,648 INFO L132 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-27 08:07:47,648 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 08:07:47,650 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 08:07:47,651 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 08:07:47,653 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 08:07:48,791 INFO L206 etLargeBlockEncoding]: Checked pairs total: 252 [2019-12-27 08:07:48,791 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-27 08:07:48,796 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 08:07:48,806 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 08:07:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 08:07:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 08:07:48,821 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:07:48,822 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 08:07:48,823 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:07:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:07:48,829 INFO L82 PathProgramCache]: Analyzing trace with hash 489739828, now seen corresponding path program 1 times [2019-12-27 08:07:48,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:07:48,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304914220] [2019-12-27 08:07:48,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:07:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:07:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:07:49,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304914220] [2019-12-27 08:07:49,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:07:49,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 08:07:49,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502998978] [2019-12-27 08:07:49,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:07:49,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:07:49,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:07:49,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:07:49,085 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 08:07:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:07:49,116 INFO L93 Difference]: Finished difference Result 21 states and 33 transitions. [2019-12-27 08:07:49,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:07:49,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 08:07:49,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:07:49,130 INFO L225 Difference]: With dead ends: 21 [2019-12-27 08:07:49,130 INFO L226 Difference]: Without dead ends: 17 [2019-12-27 08:07:49,133 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:07:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-27 08:07:49,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-27 08:07:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-27 08:07:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2019-12-27 08:07:49,177 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 25 transitions. Word has length 6 [2019-12-27 08:07:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:07:49,178 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-12-27 08:07:49,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:07:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2019-12-27 08:07:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 08:07:49,180 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:07:49,180 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:07:49,180 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:07:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:07:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1997143145, now seen corresponding path program 1 times [2019-12-27 08:07:49,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:07:49,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139675199] [2019-12-27 08:07:49,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:07:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:07:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:07:49,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139675199] [2019-12-27 08:07:49,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:07:49,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:07:49,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833163774] [2019-12-27 08:07:49,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:07:49,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:07:49,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:07:49,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:07:49,267 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand 3 states. [2019-12-27 08:07:49,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:07:49,280 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2019-12-27 08:07:49,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:07:49,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 08:07:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:07:49,281 INFO L225 Difference]: With dead ends: 19 [2019-12-27 08:07:49,281 INFO L226 Difference]: Without dead ends: 17 [2019-12-27 08:07:49,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:07:49,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-27 08:07:49,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-12-27 08:07:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-27 08:07:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-12-27 08:07:49,287 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 7 [2019-12-27 08:07:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:07:49,287 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-27 08:07:49,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:07:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-12-27 08:07:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 08:07:49,288 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:07:49,288 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:07:49,289 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:07:49,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:07:49,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1997895608, now seen corresponding path program 1 times [2019-12-27 08:07:49,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:07:49,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024742205] [2019-12-27 08:07:49,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:07:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:07:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:07:49,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024742205] [2019-12-27 08:07:49,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:07:49,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:07:49,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596994727] [2019-12-27 08:07:49,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:07:49,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:07:49,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:07:49,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:07:49,351 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2019-12-27 08:07:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:07:49,359 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2019-12-27 08:07:49,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:07:49,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 08:07:49,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:07:49,361 INFO L225 Difference]: With dead ends: 14 [2019-12-27 08:07:49,361 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 08:07:49,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:07:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 08:07:49,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 08:07:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 08:07:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 08:07:49,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-12-27 08:07:49,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:07:49,363 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 08:07:49,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:07:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 08:07:49,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 08:07:49,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:07:49 BasicIcfg [2019-12-27 08:07:49,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:07:49,370 INFO L168 Benchmark]: Toolchain (without parser) took 3076.94 ms. Allocated memory was 143.1 MB in the beginning and 229.1 MB in the end (delta: 86.0 MB). Free memory was 98.1 MB in the beginning and 93.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,371 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 143.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.50 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 97.7 MB in the beginning and 157.1 MB in the end (delta: -59.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.08 ms. Allocated memory is still 199.8 MB. Free memory was 157.1 MB in the beginning and 155.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,374 INFO L168 Benchmark]: Boogie Preprocessor took 25.91 ms. Allocated memory is still 199.8 MB. Free memory was 155.0 MB in the beginning and 153.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,375 INFO L168 Benchmark]: RCFGBuilder took 352.80 ms. Allocated memory is still 199.8 MB. Free memory was 153.6 MB in the beginning and 135.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,376 INFO L168 Benchmark]: TraceAbstraction took 1908.76 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 134.8 MB in the beginning and 93.6 MB in the end (delta: 41.2 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. [2019-12-27 08:07:49,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 143.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.50 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 97.7 MB in the beginning and 157.1 MB in the end (delta: -59.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.08 ms. Allocated memory is still 199.8 MB. Free memory was 157.1 MB in the beginning and 155.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.91 ms. Allocated memory is still 199.8 MB. Free memory was 155.0 MB in the beginning and 153.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.80 ms. Allocated memory is still 199.8 MB. Free memory was 153.6 MB in the beginning and 135.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1908.76 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 134.8 MB in the beginning and 93.6 MB in the end (delta: 41.2 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 47 ProgramPointsBefore, 15 ProgramPointsAfterwards, 41 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 123 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 252 CheckedPairsTotal, 37 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 41 locations, 1 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 2 SDslu, 11 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...