/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 17:25:09,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 17:25:10,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 17:25:10,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 17:25:10,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 17:25:10,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 17:25:10,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 17:25:10,037 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-NoLbe.epf [2021-05-21 17:25:10,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 17:25:10,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 17:25:10,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 17:25:10,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 17:25:10,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 17:25:10,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 17:25:10,053 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 17:25:10,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 17:25:10,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 17:25:10,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 17:25:10,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 17:25:10,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 17:25:10,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 17:25:10,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 17:25:10,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 17:25:10,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 17:25:10,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 17:25:10,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 17:25:10,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 17:25:10,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 17:25:10,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 17:25:10,304 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 17:25:10,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-05-21 17:25:10,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d513ef/35f2944e625a4c1a804017eeb345b859/FLAGfa9d764a6 [2021-05-21 17:25:10,744 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 17:25:10,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-05-21 17:25:10,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d513ef/35f2944e625a4c1a804017eeb345b859/FLAGfa9d764a6 [2021-05-21 17:25:11,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d513ef/35f2944e625a4c1a804017eeb345b859 [2021-05-21 17:25:11,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 17:25:11,134 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 17:25:11,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 17:25:11,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 17:25:11,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 17:25:11,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490c61e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11, skipping insertion in model container [2021-05-21 17:25:11,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 17:25:11,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 17:25:11,308 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i[949,962] [2021-05-21 17:25:11,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 17:25:11,439 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 17:25:11,447 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i[949,962] [2021-05-21 17:25:11,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 17:25:11,520 INFO L208 MainTranslator]: Completed translation [2021-05-21 17:25:11,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11 WrapperNode [2021-05-21 17:25:11,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 17:25:11,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 17:25:11,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 17:25:11,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 17:25:11,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 17:25:11,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 17:25:11,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 17:25:11,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 17:25:11,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (1/1) ... [2021-05-21 17:25:11,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 17:25:11,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 17:25:11,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 17:25:11,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 17:25:11,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (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 [2021-05-21 17:25:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 17:25:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-05-21 17:25:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 17:25:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 17:25:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-05-21 17:25:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-05-21 17:25:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-05-21 17:25:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-05-21 17:25:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-05-21 17:25:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-05-21 17:25:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 17:25:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-05-21 17:25:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 17:25:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 17:25:11,650 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 17:25:11,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 17:25:11,987 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-05-21 17:25:11,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 05:25:11 BoogieIcfgContainer [2021-05-21 17:25:11,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 17:25:11,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 17:25:11,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 17:25:11,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 17:25:11,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 05:25:11" (1/3) ... [2021-05-21 17:25:11,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ee534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 05:25:11, skipping insertion in model container [2021-05-21 17:25:11,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:25:11" (2/3) ... [2021-05-21 17:25:11,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ee534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 05:25:11, skipping insertion in model container [2021-05-21 17:25:11,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 05:25:11" (3/3) ... [2021-05-21 17:25:11,996 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.opt.i [2021-05-21 17:25:12,002 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 17:25:12,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 17:25:12,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 17:25:12,002 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 17:25:12,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,027 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,035 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,035 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,037 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,037 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:25:12,039 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 17:25:12,052 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-05-21 17:25:12,064 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 17:25:12,064 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 17:25:12,064 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 17:25:12,064 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 17:25:12,065 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 17:25:12,065 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 17:25:12,065 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 17:25:12,065 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 17:25:12,074 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 84 transitions, 183 flow [2021-05-21 17:25:12,450 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-21 17:25:12,513 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:12,514 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:12,514 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:12,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1432389661, now seen corresponding path program 1 times [2021-05-21 17:25:12,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:12,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061557557] [2021-05-21 17:25:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:12,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:12,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061557557] [2021-05-21 17:25:12,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061557557] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:12,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:12,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 17:25:12,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982826495] [2021-05-21 17:25:12,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 17:25:12,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:12,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 17:25:12,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 17:25:12,815 INFO L87 Difference]: Start difference. First operand has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:13,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:13,120 INFO L93 Difference]: Finished difference Result 13119 states and 45583 transitions. [2021-05-21 17:25:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 17:25:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-05-21 17:25:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:13,161 INFO L225 Difference]: With dead ends: 13119 [2021-05-21 17:25:13,161 INFO L226 Difference]: Without dead ends: 4964 [2021-05-21 17:25:13,162 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 182.3ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 17:25:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2021-05-21 17:25:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 4964. [2021-05-21 17:25:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4964 states, 4963 states have (on average 3.4009671569615154) internal successors, (16879), 4963 states have internal predecessors, (16879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4964 states to 4964 states and 16879 transitions. [2021-05-21 17:25:13,409 INFO L78 Accepts]: Start accepts. Automaton has 4964 states and 16879 transitions. Word has length 49 [2021-05-21 17:25:13,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:13,412 INFO L482 AbstractCegarLoop]: Abstraction has 4964 states and 16879 transitions. [2021-05-21 17:25:13,413 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 16879 transitions. [2021-05-21 17:25:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-05-21 17:25:13,448 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:13,448 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:13,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 17:25:13,448 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:13,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:13,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1311501732, now seen corresponding path program 1 times [2021-05-21 17:25:13,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:13,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837892956] [2021-05-21 17:25:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:13,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:13,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837892956] [2021-05-21 17:25:13,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837892956] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:13,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:13,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 17:25:13,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547039845] [2021-05-21 17:25:13,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 17:25:13,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:13,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 17:25:13,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 17:25:13,564 INFO L87 Difference]: Start difference. First operand 4964 states and 16879 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:13,714 INFO L93 Difference]: Finished difference Result 5652 states and 19020 transitions. [2021-05-21 17:25:13,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 17:25:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-05-21 17:25:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:13,734 INFO L225 Difference]: With dead ends: 5652 [2021-05-21 17:25:13,734 INFO L226 Difference]: Without dead ends: 4448 [2021-05-21 17:25:13,735 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 122.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 17:25:13,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4448 states. [2021-05-21 17:25:13,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4448 to 4448. [2021-05-21 17:25:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4448 states, 4447 states have (on average 3.3692376883292106) internal successors, (14983), 4447 states have internal predecessors, (14983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4448 states and 14983 transitions. [2021-05-21 17:25:13,848 INFO L78 Accepts]: Start accepts. Automaton has 4448 states and 14983 transitions. Word has length 51 [2021-05-21 17:25:13,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:13,849 INFO L482 AbstractCegarLoop]: Abstraction has 4448 states and 14983 transitions. [2021-05-21 17:25:13,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 14983 transitions. [2021-05-21 17:25:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 17:25:13,858 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:13,858 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:13,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 17:25:13,859 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:13,859 INFO L82 PathProgramCache]: Analyzing trace with hash 742880451, now seen corresponding path program 1 times [2021-05-21 17:25:13,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:13,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034634875] [2021-05-21 17:25:13,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:14,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:14,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034634875] [2021-05-21 17:25:14,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034634875] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:14,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:14,016 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:25:14,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2523546] [2021-05-21 17:25:14,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:25:14,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:14,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:25:14,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:25:14,020 INFO L87 Difference]: Start difference. First operand 4448 states and 14983 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:14,225 INFO L93 Difference]: Finished difference Result 5978 states and 20027 transitions. [2021-05-21 17:25:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 17:25:14,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 17:25:14,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:14,238 INFO L225 Difference]: With dead ends: 5978 [2021-05-21 17:25:14,238 INFO L226 Difference]: Without dead ends: 3158 [2021-05-21 17:25:14,238 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 167.3ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-05-21 17:25:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2021-05-21 17:25:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3158. [2021-05-21 17:25:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 3157 states have (on average 3.239784605638264) internal successors, (10228), 3157 states have internal predecessors, (10228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 10228 transitions. [2021-05-21 17:25:14,299 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 10228 transitions. Word has length 53 [2021-05-21 17:25:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:14,300 INFO L482 AbstractCegarLoop]: Abstraction has 3158 states and 10228 transitions. [2021-05-21 17:25:14,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 10228 transitions. [2021-05-21 17:25:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-05-21 17:25:14,305 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:14,305 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:14,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 17:25:14,305 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:14,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:14,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1490806147, now seen corresponding path program 1 times [2021-05-21 17:25:14,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:14,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346269807] [2021-05-21 17:25:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:14,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:14,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346269807] [2021-05-21 17:25:14,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346269807] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:14,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:14,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 17:25:14,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056132238] [2021-05-21 17:25:14,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 17:25:14,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:14,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 17:25:14,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 17:25:14,434 INFO L87 Difference]: Start difference. First operand 3158 states and 10228 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:14,600 INFO L93 Difference]: Finished difference Result 3862 states and 12378 transitions. [2021-05-21 17:25:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 17:25:14,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-05-21 17:25:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:14,621 INFO L225 Difference]: With dead ends: 3862 [2021-05-21 17:25:14,622 INFO L226 Difference]: Without dead ends: 2910 [2021-05-21 17:25:14,624 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 144.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 17:25:14,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2021-05-21 17:25:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2910. [2021-05-21 17:25:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2910 states, 2909 states have (on average 3.195599862495703) internal successors, (9296), 2909 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 9296 transitions. [2021-05-21 17:25:14,684 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 9296 transitions. Word has length 54 [2021-05-21 17:25:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:14,685 INFO L482 AbstractCegarLoop]: Abstraction has 2910 states and 9296 transitions. [2021-05-21 17:25:14,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 9296 transitions. [2021-05-21 17:25:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-05-21 17:25:14,690 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:14,691 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:14,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 17:25:14,693 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:14,694 INFO L82 PathProgramCache]: Analyzing trace with hash -881950140, now seen corresponding path program 1 times [2021-05-21 17:25:14,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:14,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448542220] [2021-05-21 17:25:14,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:14,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:14,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448542220] [2021-05-21 17:25:14,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448542220] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:14,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:14,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:25:14,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095022463] [2021-05-21 17:25:14,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:25:14,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:14,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:25:14,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:25:14,831 INFO L87 Difference]: Start difference. First operand 2910 states and 9296 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:14,997 INFO L93 Difference]: Finished difference Result 3000 states and 9347 transitions. [2021-05-21 17:25:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 17:25:14,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-05-21 17:25:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:15,004 INFO L225 Difference]: With dead ends: 3000 [2021-05-21 17:25:15,004 INFO L226 Difference]: Without dead ends: 2208 [2021-05-21 17:25:15,004 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 140.3ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-05-21 17:25:15,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2021-05-21 17:25:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2208. [2021-05-21 17:25:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2208 states, 2207 states have (on average 3.066153149071137) internal successors, (6767), 2207 states have internal predecessors, (6767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 6767 transitions. [2021-05-21 17:25:15,055 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 6767 transitions. Word has length 55 [2021-05-21 17:25:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:15,055 INFO L482 AbstractCegarLoop]: Abstraction has 2208 states and 6767 transitions. [2021-05-21 17:25:15,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 6767 transitions. [2021-05-21 17:25:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-05-21 17:25:15,059 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:15,059 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:15,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 17:25:15,059 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash 278806149, now seen corresponding path program 1 times [2021-05-21 17:25:15,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:15,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940326759] [2021-05-21 17:25:15,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:15,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:15,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940326759] [2021-05-21 17:25:15,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940326759] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:15,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:15,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-21 17:25:15,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45735389] [2021-05-21 17:25:15,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-21 17:25:15,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:15,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-21 17:25:15,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-05-21 17:25:15,189 INFO L87 Difference]: Start difference. First operand 2208 states and 6767 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:15,399 INFO L93 Difference]: Finished difference Result 1857 states and 5534 transitions. [2021-05-21 17:25:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-21 17:25:15,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-05-21 17:25:15,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:15,403 INFO L225 Difference]: With dead ends: 1857 [2021-05-21 17:25:15,403 INFO L226 Difference]: Without dead ends: 1425 [2021-05-21 17:25:15,404 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 179.1ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-05-21 17:25:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2021-05-21 17:25:15,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1425. [2021-05-21 17:25:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1424 states have (on average 2.919241573033708) internal successors, (4157), 1424 states have internal predecessors, (4157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 4157 transitions. [2021-05-21 17:25:15,425 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 4157 transitions. Word has length 57 [2021-05-21 17:25:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:15,426 INFO L482 AbstractCegarLoop]: Abstraction has 1425 states and 4157 transitions. [2021-05-21 17:25:15,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4157 transitions. [2021-05-21 17:25:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-21 17:25:15,428 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:15,428 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:15,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 17:25:15,429 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:15,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:15,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1584339079, now seen corresponding path program 1 times [2021-05-21 17:25:15,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:15,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964743206] [2021-05-21 17:25:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:15,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:15,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964743206] [2021-05-21 17:25:15,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964743206] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:15,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:15,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 17:25:15,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792342121] [2021-05-21 17:25:15,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 17:25:15,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:15,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 17:25:15,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 17:25:15,519 INFO L87 Difference]: Start difference. First operand 1425 states and 4157 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:15,593 INFO L93 Difference]: Finished difference Result 2168 states and 6329 transitions. [2021-05-21 17:25:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 17:25:15,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-05-21 17:25:15,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:15,596 INFO L225 Difference]: With dead ends: 2168 [2021-05-21 17:25:15,596 INFO L226 Difference]: Without dead ends: 1050 [2021-05-21 17:25:15,596 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 87.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-05-21 17:25:15,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2021-05-21 17:25:15,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1050. [2021-05-21 17:25:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1049 states have (on average 2.8045757864632983) internal successors, (2942), 1049 states have internal predecessors, (2942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 2942 transitions. [2021-05-21 17:25:15,611 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 2942 transitions. Word has length 61 [2021-05-21 17:25:15,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:15,611 INFO L482 AbstractCegarLoop]: Abstraction has 1050 states and 2942 transitions. [2021-05-21 17:25:15,611 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 2942 transitions. [2021-05-21 17:25:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-21 17:25:15,613 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:25:15,613 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:25:15,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 17:25:15,613 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:25:15,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:25:15,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2112488923, now seen corresponding path program 2 times [2021-05-21 17:25:15,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:25:15,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442621169] [2021-05-21 17:25:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:25:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:25:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:25:15,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:25:15,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442621169] [2021-05-21 17:25:15,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442621169] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:25:15,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:25:15,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:25:15,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598918450] [2021-05-21 17:25:15,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:25:15,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:25:15,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:25:15,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:25:15,697 INFO L87 Difference]: Start difference. First operand 1050 states and 2942 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:25:15,742 INFO L93 Difference]: Finished difference Result 996 states and 2780 transitions. [2021-05-21 17:25:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-21 17:25:15,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-05-21 17:25:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:25:15,743 INFO L225 Difference]: With dead ends: 996 [2021-05-21 17:25:15,743 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 17:25:15,743 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-05-21 17:25:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 17:25:15,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 17:25:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 17:25:15,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-05-21 17:25:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:25:15,744 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 17:25:15,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:25:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 17:25:15,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 17:25:15,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 17:25:15,746 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 17:25:15,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 05:25:15 BasicIcfg [2021-05-21 17:25:15,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 17:25:15,749 INFO L168 Benchmark]: Toolchain (without parser) took 4614.80 ms. Allocated memory was 388.0 MB in the beginning and 841.0 MB in the end (delta: 453.0 MB). Free memory was 350.1 MB in the beginning and 639.8 MB in the end (delta: -289.8 MB). Peak memory consumption was 162.7 MB. Max. memory is 16.0 GB. [2021-05-21 17:25:15,749 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 388.0 MB. Free memory was 368.0 MB in the beginning and 367.9 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 17:25:15,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.89 ms. Allocated memory is still 388.0 MB. Free memory was 349.9 MB in the beginning and 349.8 MB in the end (delta: 195.5 kB). Peak memory consumption was 5.0 MB. Max. memory is 16.0 GB. [2021-05-21 17:25:15,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 388.0 MB. Free memory was 348.7 MB in the beginning and 347.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 17:25:15,751 INFO L168 Benchmark]: Boogie Preprocessor took 12.63 ms. Allocated memory is still 388.0 MB. Free memory was 347.7 MB in the beginning and 345.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 17:25:15,751 INFO L168 Benchmark]: RCFGBuilder took 410.07 ms. Allocated memory is still 388.0 MB. Free memory was 345.6 MB in the beginning and 320.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-05-21 17:25:15,752 INFO L168 Benchmark]: TraceAbstraction took 3756.58 ms. Allocated memory was 388.0 MB in the beginning and 841.0 MB in the end (delta: 453.0 MB). Free memory was 320.4 MB in the beginning and 639.8 MB in the end (delta: -319.4 MB). Peak memory consumption was 134.6 MB. Max. memory is 16.0 GB. [2021-05-21 17:25:15,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 388.0 MB. Free memory was 368.0 MB in the beginning and 367.9 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 382.89 ms. Allocated memory is still 388.0 MB. Free memory was 349.9 MB in the beginning and 349.8 MB in the end (delta: 195.5 kB). Peak memory consumption was 5.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 388.0 MB. Free memory was 348.7 MB in the beginning and 347.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.63 ms. Allocated memory is still 388.0 MB. Free memory was 347.7 MB in the beginning and 345.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 410.07 ms. Allocated memory is still 388.0 MB. Free memory was 345.6 MB in the beginning and 320.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3756.58 ms. Allocated memory was 388.0 MB in the beginning and 841.0 MB in the end (delta: 453.0 MB). Free memory was 320.4 MB in the beginning and 639.8 MB in the end (delta: -319.4 MB). Peak memory consumption was 134.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3682.0ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 123.4ms, AutomataDifference: 1478.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 385.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 839 SDtfs, 1241 SDslu, 2676 SDs, 0 SdLazy, 262 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 248.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1083.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9332occurred in iteration=0, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 557.0ms AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.3ms SsaConstructionTime, 161.1ms SatisfiabilityAnalysisTime, 796.4ms InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 433 ConstructedInterpolants, 0 QuantifiedInterpolants, 1153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...