/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:12:47,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:12:47,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:12:47,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 10:12:47,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 10:12:47,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 10:12:47,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 10:12:47,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 10:12:47,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 10:12:47,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 10:12:47,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 10:12:47,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 10:12:47,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:12:47,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:12:47,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:12:47,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:12:47,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:12:47,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:12:47,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:12:47,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:12:47,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:12:47,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:12:47,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:12:47,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:12:47,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-05 10:12:47,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-05 10:12:47,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-05 10:12:47,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-05 10:12:47,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-05 10:12:47,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-05 10:12:47,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 10:12:47,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 10:12:47,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 10:12:47,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 10:12:47,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 10:12:47,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 10:12:47,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 10:12:47,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 10:12:47,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:12:47,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:12:47,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:12:47,082 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-Separate.epf [2021-06-05 10:12:47,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:12:47,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:12:47,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:12:47,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:12:47,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:12:47,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:12:47,097 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:12:47,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:12:47,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:12:47,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:12:47,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:12:47,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:12:47,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:12:47,100 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:12:47,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:12:47,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:12:47,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:12:47,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:12:47,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:12:47,319 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:12:47,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-06-05 10:12:47,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f345d078/3af63394c0c6439482ff9216ff6ba411/FLAGbaeddaedd [2021-06-05 10:12:47,782 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:12:47,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-06-05 10:12:47,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f345d078/3af63394c0c6439482ff9216ff6ba411/FLAGbaeddaedd [2021-06-05 10:12:47,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f345d078/3af63394c0c6439482ff9216ff6ba411 [2021-06-05 10:12:47,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:12:47,813 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:12:47,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:12:47,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:12:47,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:12:47,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:12:47" (1/1) ... [2021-06-05 10:12:47,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1c4e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:47, skipping insertion in model container [2021-06-05 10:12:47,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:12:47" (1/1) ... [2021-06-05 10:12:47,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:12:47,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:12:48,020 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/safe033_tso.oepc.i[950,963] [2021-06-05 10:12:48,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:12:48,126 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:12:48,134 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/safe033_tso.oepc.i[950,963] [2021-06-05 10:12:48,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:12:48,198 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:12:48,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48 WrapperNode [2021-06-05 10:12:48,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:12:48,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:12:48,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:12:48,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:12:48,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:12:48,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:12:48,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:12:48,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:12:48,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (1/1) ... [2021-06-05 10:12:48,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:12:48,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:12:48,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:12:48,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:12:48,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (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 [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:12:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:12:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:12:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:12:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:12:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:12:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:12:48,293 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:12:48,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:12:48,531 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:12:48,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:12:48 BoogieIcfgContainer [2021-06-05 10:12:48,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:12:48,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:12:48,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:12:48,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:12:48,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:12:47" (1/3) ... [2021-06-05 10:12:48,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4934522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:12:48, skipping insertion in model container [2021-06-05 10:12:48,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:48" (2/3) ... [2021-06-05 10:12:48,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4934522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:12:48, skipping insertion in model container [2021-06-05 10:12:48,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:12:48" (3/3) ... [2021-06-05 10:12:48,539 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_tso.oepc.i [2021-06-05 10:12:48,543 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:12:48,544 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:12:48,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:12:48,544 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:12:48,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,565 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,565 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:48,580 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:12:48,594 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 10:12:48,618 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:12:48,618 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:12:48,618 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:12:48,619 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:12:48,619 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:12:48,619 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:12:48,619 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:12:48,619 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:12:48,628 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 66 transitions, 142 flow [2021-06-05 10:12:48,676 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) [2021-06-05 10:12:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) [2021-06-05 10:12:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 10:12:48,698 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:48,699 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] [2021-06-05 10:12:48,699 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:48,703 INFO L82 PathProgramCache]: Analyzing trace with hash 311474389, now seen corresponding path program 1 times [2021-06-05 10:12:48,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:48,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325551919] [2021-06-05 10:12:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:48,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:48,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325551919] [2021-06-05 10:12:48,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325551919] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:48,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:48,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:48,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362221798] [2021-06-05 10:12:48,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:48,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:48,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:48,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:48,950 INFO L87 Difference]: Start difference. First operand has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-06-05 10:12:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:49,154 INFO L93 Difference]: Finished difference Result 1700 states and 4422 transitions. [2021-06-05 10:12:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:49,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2021-06-05 10:12:49,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:49,170 INFO L225 Difference]: With dead ends: 1700 [2021-06-05 10:12:49,171 INFO L226 Difference]: Without dead ends: 719 [2021-06-05 10:12:49,172 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 154.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2021-06-05 10:12:49,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2021-06-05 10:12:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 718 states have (on average 2.5292479108635098) internal successors, (1816), 718 states have internal predecessors, (1816), 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) [2021-06-05 10:12:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1816 transitions. [2021-06-05 10:12:49,241 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1816 transitions. Word has length 40 [2021-06-05 10:12:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:49,241 INFO L482 AbstractCegarLoop]: Abstraction has 719 states and 1816 transitions. [2021-06-05 10:12:49,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-06-05 10:12:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1816 transitions. [2021-06-05 10:12:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 10:12:49,243 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:49,243 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] [2021-06-05 10:12:49,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:12:49,244 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:49,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:49,246 INFO L82 PathProgramCache]: Analyzing trace with hash -84238732, now seen corresponding path program 1 times [2021-06-05 10:12:49,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:49,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652056064] [2021-06-05 10:12:49,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:49,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:49,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652056064] [2021-06-05 10:12:49,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652056064] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:49,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:49,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:49,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888125169] [2021-06-05 10:12:49,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:49,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:49,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:49,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:49,401 INFO L87 Difference]: Start difference. First operand 719 states and 1816 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-06-05 10:12:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:49,472 INFO L93 Difference]: Finished difference Result 775 states and 1895 transitions. [2021-06-05 10:12:49,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:49,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2021-06-05 10:12:49,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:49,475 INFO L225 Difference]: With dead ends: 775 [2021-06-05 10:12:49,475 INFO L226 Difference]: Without dead ends: 579 [2021-06-05 10:12:49,475 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 79.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2021-06-05 10:12:49,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2021-06-05 10:12:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 2.41522491349481) internal successors, (1396), 578 states have internal predecessors, (1396), 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) [2021-06-05 10:12:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1396 transitions. [2021-06-05 10:12:49,485 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1396 transitions. Word has length 42 [2021-06-05 10:12:49,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:49,485 INFO L482 AbstractCegarLoop]: Abstraction has 579 states and 1396 transitions. [2021-06-05 10:12:49,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-06-05 10:12:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1396 transitions. [2021-06-05 10:12:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 10:12:49,487 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:49,487 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] [2021-06-05 10:12:49,487 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:12:49,487 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:49,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:49,488 INFO L82 PathProgramCache]: Analyzing trace with hash -139727149, now seen corresponding path program 1 times [2021-06-05 10:12:49,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:49,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706783759] [2021-06-05 10:12:49,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:49,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:49,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706783759] [2021-06-05 10:12:49,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706783759] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:49,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:49,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:12:49,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387736148] [2021-06-05 10:12:49,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:12:49,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:49,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:12:49,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:12:49,596 INFO L87 Difference]: Start difference. First operand 579 states and 1396 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2021-06-05 10:12:49,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:49,696 INFO L93 Difference]: Finished difference Result 447 states and 1023 transitions. [2021-06-05 10:12:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:12:49,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 44 [2021-06-05 10:12:49,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:49,698 INFO L225 Difference]: With dead ends: 447 [2021-06-05 10:12:49,698 INFO L226 Difference]: Without dead ends: 315 [2021-06-05 10:12:49,698 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 85.5ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:12:49,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-06-05 10:12:49,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2021-06-05 10:12:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 314 states have (on average 2.2038216560509554) internal successors, (692), 314 states have internal predecessors, (692), 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) [2021-06-05 10:12:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 692 transitions. [2021-06-05 10:12:49,703 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 692 transitions. Word has length 44 [2021-06-05 10:12:49,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:49,704 INFO L482 AbstractCegarLoop]: Abstraction has 315 states and 692 transitions. [2021-06-05 10:12:49,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2021-06-05 10:12:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 692 transitions. [2021-06-05 10:12:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 10:12:49,706 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:49,707 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] [2021-06-05 10:12:49,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:12:49,708 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:49,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:49,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1515060719, now seen corresponding path program 1 times [2021-06-05 10:12:49,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:49,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598982484] [2021-06-05 10:12:49,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:49,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:49,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598982484] [2021-06-05 10:12:49,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598982484] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:49,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:49,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:12:49,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486278432] [2021-06-05 10:12:49,818 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:12:49,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:49,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:12:49,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:12:49,819 INFO L87 Difference]: Start difference. First operand 315 states and 692 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-06-05 10:12:49,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:49,887 INFO L93 Difference]: Finished difference Result 456 states and 1014 transitions. [2021-06-05 10:12:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:12:49,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 48 [2021-06-05 10:12:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:49,890 INFO L225 Difference]: With dead ends: 456 [2021-06-05 10:12:49,890 INFO L226 Difference]: Without dead ends: 235 [2021-06-05 10:12:49,890 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 58.9ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-06-05 10:12:49,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-06-05 10:12:49,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2021-06-05 10:12:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 2.1452991452991452) internal successors, (502), 234 states have internal predecessors, (502), 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) [2021-06-05 10:12:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 502 transitions. [2021-06-05 10:12:49,894 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 502 transitions. Word has length 48 [2021-06-05 10:12:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:49,894 INFO L482 AbstractCegarLoop]: Abstraction has 235 states and 502 transitions. [2021-06-05 10:12:49,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-06-05 10:12:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 502 transitions. [2021-06-05 10:12:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 10:12:49,895 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:49,895 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] [2021-06-05 10:12:49,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:12:49,895 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:49,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:49,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1407365135, now seen corresponding path program 2 times [2021-06-05 10:12:49,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:49,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031730200] [2021-06-05 10:12:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:49,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:49,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031730200] [2021-06-05 10:12:49,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031730200] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:49,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:49,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:12:49,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164759705] [2021-06-05 10:12:49,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:12:49,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:49,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:12:49,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:12:49,976 INFO L87 Difference]: Start difference. First operand 235 states and 502 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-06-05 10:12:50,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:50,035 INFO L93 Difference]: Finished difference Result 217 states and 460 transitions. [2021-06-05 10:12:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 10:12:50,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 48 [2021-06-05 10:12:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:50,040 INFO L225 Difference]: With dead ends: 217 [2021-06-05 10:12:50,040 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:12:50,041 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 72.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:50,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:12:50,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:12:50,041 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) [2021-06-05 10:12:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:12:50,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-06-05 10:12:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:50,041 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:12:50,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-06-05 10:12:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:12:50,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:12:50,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:12:50,043 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:12:50,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:12:50 BasicIcfg [2021-06-05 10:12:50,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:12:50,046 INFO L168 Benchmark]: Toolchain (without parser) took 2232.20 ms. Allocated memory is still 381.7 MB. Free memory was 344.8 MB in the beginning and 315.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:50,046 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 381.7 MB. Free memory was 362.7 MB in the beginning and 362.6 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:12:50,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.08 ms. Allocated memory is still 381.7 MB. Free memory was 344.6 MB in the beginning and 343.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:50,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.70 ms. Allocated memory is still 381.7 MB. Free memory was 343.6 MB in the beginning and 342.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:50,050 INFO L168 Benchmark]: Boogie Preprocessor took 12.27 ms. Allocated memory is still 381.7 MB. Free memory was 342.5 MB in the beginning and 340.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:50,051 INFO L168 Benchmark]: RCFGBuilder took 298.07 ms. Allocated memory is still 381.7 MB. Free memory was 340.4 MB in the beginning and 317.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:50,052 INFO L168 Benchmark]: TraceAbstraction took 1510.44 ms. Allocated memory is still 381.7 MB. Free memory was 317.3 MB in the beginning and 315.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:50,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 381.7 MB. Free memory was 362.7 MB in the beginning and 362.6 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 382.08 ms. Allocated memory is still 381.7 MB. Free memory was 344.6 MB in the beginning and 343.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.70 ms. Allocated memory is still 381.7 MB. Free memory was 343.6 MB in the beginning and 342.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.27 ms. Allocated memory is still 381.7 MB. Free memory was 342.5 MB in the beginning and 340.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 298.07 ms. Allocated memory is still 381.7 MB. Free memory was 340.4 MB in the beginning and 317.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1510.44 ms. Allocated memory is still 381.7 MB. Free memory was 317.3 MB in the beginning and 315.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 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 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1425.5ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 27.7ms, AutomataDifference: 549.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 357 SDtfs, 469 SDslu, 1156 SDs, 0 SdLazy, 143 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 99.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 450.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 79.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.8ms SsaConstructionTime, 119.1ms SatisfiabilityAnalysisTime, 446.4ms InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...