/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-wmm/safe036_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:46:09,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:46:09,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:46:09,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:46:09,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:46:09,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:46:09,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:46:09,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:46:09,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:46:09,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:46:09,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:46:09,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:46:09,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:46:09,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:46:09,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:46:09,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:46:09,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:46:09,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:46:09,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:46:09,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:46:09,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:46:09,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:46:09,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:46:09,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:46:09,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 15:46:09,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:46:09,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:46:09,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:46:09,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:46:09,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:46:09,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:46:09,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:46:09,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:46:09,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:46:09,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:46:09,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:46:09,993 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 [2020-11-09 15:46:10,020 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:46:10,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:46:10,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:46:10,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:46:10,022 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:46:10,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:46:10,023 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:46:10,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:46:10,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:46:10,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:46:10,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:46:10,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:46:10,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:46:10,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:46:10,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:46:10,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:46:10,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:46:10,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:46:10,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:46:10,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:46:10,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:46:10,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:46:10,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:46:10,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:46:10,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:46:10,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:46:10,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:46:10,028 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:46:10,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:46:10,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:46:10,028 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:46:10,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:46:10,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:46:10,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:46:10,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:46:10,439 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:46:10,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i [2020-11-09 15:46:10,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bb877c3/121a6410e3eb46e18675df63378a1863/FLAG6ee1dcf3c [2020-11-09 15:46:11,334 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:46:11,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i [2020-11-09 15:46:11,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bb877c3/121a6410e3eb46e18675df63378a1863/FLAG6ee1dcf3c [2020-11-09 15:46:11,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bb877c3/121a6410e3eb46e18675df63378a1863 [2020-11-09 15:46:11,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:46:11,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:46:11,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:46:11,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:46:11,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:46:11,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:46:11" (1/1) ... [2020-11-09 15:46:11,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d523946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:11, skipping insertion in model container [2020-11-09 15:46:11,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:46:11" (1/1) ... [2020-11-09 15:46:11,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:46:11,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:46:12,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:46:12,081 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:46:12,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:46:12,318 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:46:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12 WrapperNode [2020-11-09 15:46:12,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:46:12,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:46:12,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:46:12,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:46:12,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:46:12,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:46:12,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:46:12,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:46:12,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (1/1) ... [2020-11-09 15:46:12,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:46:12,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:46:12,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:46:12,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:46:12,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (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 [2020-11-09 15:46:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:46:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:46:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:46:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:46:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 15:46:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 15:46:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 15:46:12,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 15:46:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:46:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:46:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:46:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:46:12,501 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 15:46:12,985 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:46:12,985 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 15:46:12,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:46:12 BoogieIcfgContainer [2020-11-09 15:46:12,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:46:12,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:46:12,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:46:12,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:46:12,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:46:11" (1/3) ... [2020-11-09 15:46:12,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee5f158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:46:12, skipping insertion in model container [2020-11-09 15:46:12,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:12" (2/3) ... [2020-11-09 15:46:12,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee5f158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:46:12, skipping insertion in model container [2020-11-09 15:46:12,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:46:12" (3/3) ... [2020-11-09 15:46:12,997 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_rmo.oepc.i [2020-11-09 15:46:13,013 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:46:13,014 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:46:13,018 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:46:13,019 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:46:13,052 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,053 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,053 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,054 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,054 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,057 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,057 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,057 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,061 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,062 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,070 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:13,073 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:46:13,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 15:46:13,109 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:46:13,109 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:46:13,110 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:46:13,110 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:46:13,110 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:46:13,110 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:46:13,110 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:46:13,111 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:46:13,123 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:46:13,124 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-09 15:46:13,127 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-09 15:46:13,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-09 15:46:13,172 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-09 15:46:13,173 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:46:13,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-09 15:46:13,179 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-09 15:46:15,796 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 15:46:16,024 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 15:46:17,295 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-09 15:46:17,455 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 15:46:17,802 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-09 15:46:17,948 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 15:46:17,985 INFO L131 LiptonReduction]: Checked pairs total: 1418 [2020-11-09 15:46:17,985 INFO L133 LiptonReduction]: Total number of compositions: 63 [2020-11-09 15:46:17,992 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-09 15:46:18,004 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-11-09 15:46:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-11-09 15:46:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 15:46:18,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:18,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 15:46:18,013 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:18,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:18,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1338798449, now seen corresponding path program 1 times [2020-11-09 15:46:18,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:18,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940870630] [2020-11-09 15:46:18,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:18,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940870630] [2020-11-09 15:46:18,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:18,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:46:18,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [189262651] [2020-11-09 15:46:18,244 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:18,247 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:18,259 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-11-09 15:46:18,260 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:18,264 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:18,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 15:46:18,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:18,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 15:46:18,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:46:18,283 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-11-09 15:46:18,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:18,293 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-09 15:46:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 15:46:18,295 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-09 15:46:18,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:18,304 INFO L225 Difference]: With dead ends: 90 [2020-11-09 15:46:18,304 INFO L226 Difference]: Without dead ends: 74 [2020-11-09 15:46:18,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:46:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-09 15:46:18,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-09 15:46:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-09 15:46:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-09 15:46:18,350 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-09 15:46:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:18,351 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-09 15:46:18,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 15:46:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-09 15:46:18,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 15:46:18,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:18,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:18,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:46:18,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:18,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1446900907, now seen corresponding path program 1 times [2020-11-09 15:46:18,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:18,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775447378] [2020-11-09 15:46:18,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:18,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775447378] [2020-11-09 15:46:18,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:18,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:46:18,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [391609884] [2020-11-09 15:46:18,541 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:18,544 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:18,547 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-11-09 15:46:18,547 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:18,548 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:18,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:46:18,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:18,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:46:18,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:46:18,551 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2020-11-09 15:46:18,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:18,612 INFO L93 Difference]: Finished difference Result 63 states and 112 transitions. [2020-11-09 15:46:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:46:18,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-09 15:46:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:18,617 INFO L225 Difference]: With dead ends: 63 [2020-11-09 15:46:18,617 INFO L226 Difference]: Without dead ends: 47 [2020-11-09 15:46:18,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:46:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-09 15:46:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-09 15:46:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-09 15:46:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 79 transitions. [2020-11-09 15:46:18,624 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 79 transitions. Word has length 7 [2020-11-09 15:46:18,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:18,624 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 79 transitions. [2020-11-09 15:46:18,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:46:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-11-09 15:46:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 15:46:18,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:18,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:18,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:46:18,626 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1074461755, now seen corresponding path program 1 times [2020-11-09 15:46:18,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:18,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685098135] [2020-11-09 15:46:18,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:18,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685098135] [2020-11-09 15:46:18,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:18,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 15:46:18,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [942398428] [2020-11-09 15:46:18,718 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:18,719 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:18,722 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2020-11-09 15:46:18,722 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:18,780 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [660#(<= ~__unbuffered_cnt~0 0)] [2020-11-09 15:46:18,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 15:46:18,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:18,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 15:46:18,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 15:46:18,781 INFO L87 Difference]: Start difference. First operand 47 states and 79 transitions. Second operand 6 states. [2020-11-09 15:46:18,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:18,877 INFO L93 Difference]: Finished difference Result 36 states and 55 transitions. [2020-11-09 15:46:18,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:46:18,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-11-09 15:46:18,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:18,879 INFO L225 Difference]: With dead ends: 36 [2020-11-09 15:46:18,879 INFO L226 Difference]: Without dead ends: 29 [2020-11-09 15:46:18,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 15:46:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-09 15:46:18,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-09 15:46:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-09 15:46:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-11-09 15:46:18,887 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10 [2020-11-09 15:46:18,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:18,888 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-11-09 15:46:18,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 15:46:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-09 15:46:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:46:18,889 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:18,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:18,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:46:18,891 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:18,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:18,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1774648449, now seen corresponding path program 1 times [2020-11-09 15:46:18,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:18,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955011480] [2020-11-09 15:46:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:19,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955011480] [2020-11-09 15:46:19,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:19,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 15:46:19,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [109467343] [2020-11-09 15:46:19,025 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:19,027 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:19,029 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 29 transitions. [2020-11-09 15:46:19,030 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:19,076 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:19,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:46:19,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:19,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:46:19,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:46:19,078 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 5 states. [2020-11-09 15:46:19,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:19,143 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-11-09 15:46:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:46:19,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 15:46:19,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:19,146 INFO L225 Difference]: With dead ends: 37 [2020-11-09 15:46:19,146 INFO L226 Difference]: Without dead ends: 17 [2020-11-09 15:46:19,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 15:46:19,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-09 15:46:19,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-09 15:46:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-09 15:46:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-09 15:46:19,149 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2020-11-09 15:46:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:19,149 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-09 15:46:19,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:46:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-09 15:46:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:46:19,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:19,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:19,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:46:19,151 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:19,151 INFO L82 PathProgramCache]: Analyzing trace with hash 290614237, now seen corresponding path program 2 times [2020-11-09 15:46:19,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:19,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557750462] [2020-11-09 15:46:19,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:19,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557750462] [2020-11-09 15:46:19,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:19,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 15:46:19,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1241255933] [2020-11-09 15:46:19,338 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:19,340 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:19,342 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-11-09 15:46:19,345 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:19,345 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:19,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 15:46:19,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:19,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 15:46:19,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-09 15:46:19,347 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 9 states. [2020-11-09 15:46:19,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:19,483 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2020-11-09 15:46:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 15:46:19,484 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-11-09 15:46:19,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:19,484 INFO L225 Difference]: With dead ends: 21 [2020-11-09 15:46:19,485 INFO L226 Difference]: Without dead ends: 15 [2020-11-09 15:46:19,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-11-09 15:46:19,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-09 15:46:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-09 15:46:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-09 15:46:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-11-09 15:46:19,487 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2020-11-09 15:46:19,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:19,488 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-11-09 15:46:19,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 15:46:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-11-09 15:46:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:46:19,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:19,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:19,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:46:19,489 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:19,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:19,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1443525937, now seen corresponding path program 3 times [2020-11-09 15:46:19,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:19,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362893244] [2020-11-09 15:46:19,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:19,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362893244] [2020-11-09 15:46:19,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:19,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 15:46:19,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1924729674] [2020-11-09 15:46:19,680 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:19,681 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:19,683 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-11-09 15:46:19,683 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:19,729 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [910#(and (= ~__unbuffered_p0_EAX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0))] [2020-11-09 15:46:19,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 15:46:19,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:19,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 15:46:19,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-09 15:46:19,732 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 10 states. [2020-11-09 15:46:19,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:19,872 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-11-09 15:46:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 15:46:19,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-11-09 15:46:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:19,873 INFO L225 Difference]: With dead ends: 14 [2020-11-09 15:46:19,873 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 15:46:19,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-09 15:46:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 15:46:19,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 15:46:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 15:46:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 15:46:19,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-09 15:46:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:19,875 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 15:46:19,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 15:46:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 15:46:19,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 15:46:19,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:46:19,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:46:19 BasicIcfg [2020-11-09 15:46:19,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:46:19,881 INFO L168 Benchmark]: Toolchain (without parser) took 8324.43 ms. Allocated memory was 151.0 MB in the beginning and 225.4 MB in the end (delta: 74.4 MB). Free memory was 124.7 MB in the beginning and 202.0 MB in the end (delta: -77.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:46:19,882 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:46:19,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.38 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 128.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:19,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.15 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 126.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:19,884 INFO L168 Benchmark]: Boogie Preprocessor took 28.04 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 125.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:19,885 INFO L168 Benchmark]: RCFGBuilder took 590.67 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 105.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:19,886 INFO L168 Benchmark]: TraceAbstraction took 6889.89 ms. Allocated memory was 151.0 MB in the beginning and 225.4 MB in the end (delta: 74.4 MB). Free memory was 105.2 MB in the beginning and 202.0 MB in the end (delta: -96.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:46:19,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 752.38 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 128.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.15 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 126.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.04 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 125.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 590.67 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 105.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6889.89 ms. Allocated memory was 151.0 MB in the beginning and 225.4 MB in the end (delta: 74.4 MB). Free memory was 105.2 MB in the beginning and 202.0 MB in the end (delta: -96.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 434 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 25 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.8s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 1418 MoverChecksTotal - PositiveResult [Line: 17]: 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, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 76 SDtfs, 55 SDslu, 167 SDs, 0 SdLazy, 123 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 correct! Received shutdown request...