/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 11:05:41,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 11:05:41,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 11:05:41,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 11:05:41,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 11:05:41,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 11:05:41,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 11:05:41,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 11:05:41,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 11:05:41,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 11:05:41,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 11:05:41,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 11:05:41,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 11:05:41,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 11:05:41,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 11:05:41,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 11:05:41,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 11:05:41,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 11:05:41,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 11:05:41,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 11:05:41,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 11:05:41,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 11:05:41,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 11:05:41,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 11:05:41,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-09 11:05:41,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 11:05:41,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 11:05:41,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 11:05:41,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 11:05:41,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 11:05:41,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 11:05:41,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 11:05:41,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 11:05:41,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 11:05:41,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 11:05:41,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 11:05:41,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 11:05:41,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 11:05:41,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 11:05:41,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 11:05:41,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 11:05:41,259 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 11:05:41,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 11:05:41,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 11:05:41,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 11:05:41,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 11:05:41,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 11:05:41,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 11:05:41,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 11:05:41,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 11:05:41,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 11:05:41,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 11:05:41,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 11:05:41,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 11:05:41,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 11:05:41,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 11:05:41,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 11:05:41,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 11:05:41,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:05:41,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 11:05:41,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 11:05:41,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 11:05:41,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 11:05:41,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 11:05:41,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 11:05:41,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 11:05:41,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 11:05:41,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 11:05:41,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 11:05:41,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 11:05:41,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 11:05:41,619 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 11:05:41,619 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-10-09 11:05:41,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2679de87/7ee0413f17ac434bb3b59255a377d3e3/FLAG315c080d0 [2020-10-09 11:05:42,227 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 11:05:42,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-10-09 11:05:42,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2679de87/7ee0413f17ac434bb3b59255a377d3e3/FLAG315c080d0 [2020-10-09 11:05:42,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2679de87/7ee0413f17ac434bb3b59255a377d3e3 [2020-10-09 11:05:42,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 11:05:42,544 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 11:05:42,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 11:05:42,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 11:05:42,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 11:05:42,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:05:42" (1/1) ... [2020-10-09 11:05:42,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486ee96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:42, skipping insertion in model container [2020-10-09 11:05:42,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:05:42" (1/1) ... [2020-10-09 11:05:42,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 11:05:42,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 11:05:43,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:05:43,162 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 11:05:43,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:05:43,315 INFO L208 MainTranslator]: Completed translation [2020-10-09 11:05:43,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43 WrapperNode [2020-10-09 11:05:43,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 11:05:43,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 11:05:43,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 11:05:43,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 11:05:43,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 11:05:43,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 11:05:43,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 11:05:43,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 11:05:43,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... [2020-10-09 11:05:43,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 11:05:43,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 11:05:43,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 11:05:43,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 11:05:43,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:05:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 11:05:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 11:05:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-10-09 11:05:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-10-09 11:05:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 11:05:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 11:05:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 11:05:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 11:05:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-10-09 11:05:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-10-09 11:05:43,480 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 11:05:43,967 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 11:05:43,968 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-09 11:05:43,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:05:43 BoogieIcfgContainer [2020-10-09 11:05:43,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 11:05:43,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 11:05:43,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 11:05:43,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 11:05:43,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 11:05:42" (1/3) ... [2020-10-09 11:05:43,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f210c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:05:43, skipping insertion in model container [2020-10-09 11:05:43,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:43" (2/3) ... [2020-10-09 11:05:43,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f210c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:05:43, skipping insertion in model container [2020-10-09 11:05:43,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:05:43" (3/3) ... [2020-10-09 11:05:43,980 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2020-10-09 11:05:43,993 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 11:05:43,993 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 11:05:44,002 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 11:05:44,003 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 11:05:44,035 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,035 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,037 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,038 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,038 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,039 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,039 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,039 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,039 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,040 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,040 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,040 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,040 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,040 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,041 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,041 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,042 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,042 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,044 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,044 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,044 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,044 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,045 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,045 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,045 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,049 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,049 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,049 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,049 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,050 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,050 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,056 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,056 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,057 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,057 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,057 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,057 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,057 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,060 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,060 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,060 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,061 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,061 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,061 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,063 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,064 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,064 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,064 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,065 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,065 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,065 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:44,100 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 11:05:44,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:05:44,124 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:05:44,124 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:05:44,124 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:05:44,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:05:44,125 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:05:44,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:05:44,125 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:05:44,141 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:05:44,144 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 100 transitions, 268 flow [2020-10-09 11:05:44,148 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 100 transitions, 268 flow [2020-10-09 11:05:44,150 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 99 places, 100 transitions, 268 flow [2020-10-09 11:05:44,218 INFO L129 PetriNetUnfolder]: 19/134 cut-off events. [2020-10-09 11:05:44,218 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-09 11:05:44,227 INFO L80 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 134 events. 19/134 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 333 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 91. Up to 12 conditions per place. [2020-10-09 11:05:44,233 INFO L117 LiptonReduction]: Number of co-enabled transitions 2448 [2020-10-09 11:05:45,930 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-10-09 11:05:46,149 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-09 11:05:46,268 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-09 11:05:46,300 INFO L132 LiptonReduction]: Checked pairs total: 13364 [2020-10-09 11:05:46,300 INFO L134 LiptonReduction]: Total number of compositions: 47 [2020-10-09 11:05:46,314 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 55 transitions, 178 flow [2020-10-09 11:05:46,738 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4306 states. [2020-10-09 11:05:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4306 states. [2020-10-09 11:05:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 11:05:46,755 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:46,756 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:46,756 INFO L429 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:05:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:46,763 INFO L82 PathProgramCache]: Analyzing trace with hash -808852904, now seen corresponding path program 1 times [2020-10-09 11:05:46,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:46,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238923709] [2020-10-09 11:05:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:47,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238923709] [2020-10-09 11:05:47,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:47,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:47,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675643130] [2020-10-09 11:05:47,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 11:05:47,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:47,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 11:05:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:47,104 INFO L87 Difference]: Start difference. First operand 4306 states. Second operand 4 states. [2020-10-09 11:05:47,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:47,346 INFO L93 Difference]: Finished difference Result 9727 states and 31398 transitions. [2020-10-09 11:05:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 11:05:47,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-09 11:05:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:47,431 INFO L225 Difference]: With dead ends: 9727 [2020-10-09 11:05:47,432 INFO L226 Difference]: Without dead ends: 7325 [2020-10-09 11:05:47,433 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:47,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7325 states. [2020-10-09 11:05:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7325 to 4376. [2020-10-09 11:05:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4376 states. [2020-10-09 11:05:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 4376 states and 14751 transitions. [2020-10-09 11:05:47,841 INFO L78 Accepts]: Start accepts. Automaton has 4376 states and 14751 transitions. Word has length 8 [2020-10-09 11:05:47,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:47,841 INFO L481 AbstractCegarLoop]: Abstraction has 4376 states and 14751 transitions. [2020-10-09 11:05:47,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 11:05:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 4376 states and 14751 transitions. [2020-10-09 11:05:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 11:05:47,846 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:47,846 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:47,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 11:05:47,847 INFO L429 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:05:47,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1818149286, now seen corresponding path program 1 times [2020-10-09 11:05:47,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:47,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631563687] [2020-10-09 11:05:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:47,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631563687] [2020-10-09 11:05:47,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:47,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:47,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228208277] [2020-10-09 11:05:47,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:47,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:47,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:47,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:47,951 INFO L87 Difference]: Start difference. First operand 4376 states and 14751 transitions. Second operand 3 states. [2020-10-09 11:05:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:48,029 INFO L93 Difference]: Finished difference Result 3739 states and 11101 transitions. [2020-10-09 11:05:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:48,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-09 11:05:48,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:48,056 INFO L225 Difference]: With dead ends: 3739 [2020-10-09 11:05:48,057 INFO L226 Difference]: Without dead ends: 3707 [2020-10-09 11:05:48,058 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3707 states. [2020-10-09 11:05:48,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3707 to 3707. [2020-10-09 11:05:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3707 states. [2020-10-09 11:05:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 11019 transitions. [2020-10-09 11:05:48,214 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 11019 transitions. Word has length 10 [2020-10-09 11:05:48,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:48,214 INFO L481 AbstractCegarLoop]: Abstraction has 3707 states and 11019 transitions. [2020-10-09 11:05:48,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 11019 transitions. [2020-10-09 11:05:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 11:05:48,222 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:48,222 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:48,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 11:05:48,222 INFO L429 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:05:48,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:48,223 INFO L82 PathProgramCache]: Analyzing trace with hash 154302258, now seen corresponding path program 2 times [2020-10-09 11:05:48,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:48,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721818039] [2020-10-09 11:05:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:48,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721818039] [2020-10-09 11:05:48,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:48,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:48,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642216877] [2020-10-09 11:05:48,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 11:05:48,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:48,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 11:05:48,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:48,285 INFO L87 Difference]: Start difference. First operand 3707 states and 11019 transitions. Second operand 4 states. [2020-10-09 11:05:48,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:48,338 INFO L93 Difference]: Finished difference Result 2696 states and 6489 transitions. [2020-10-09 11:05:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 11:05:48,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-09 11:05:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:48,356 INFO L225 Difference]: With dead ends: 2696 [2020-10-09 11:05:48,356 INFO L226 Difference]: Without dead ends: 2588 [2020-10-09 11:05:48,357 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2020-10-09 11:05:48,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2180. [2020-10-09 11:05:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2020-10-09 11:05:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 5394 transitions. [2020-10-09 11:05:48,430 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 5394 transitions. Word has length 10 [2020-10-09 11:05:48,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:48,430 INFO L481 AbstractCegarLoop]: Abstraction has 2180 states and 5394 transitions. [2020-10-09 11:05:48,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 11:05:48,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 5394 transitions. [2020-10-09 11:05:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:05:48,431 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:48,431 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:48,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 11:05:48,432 INFO L429 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:05:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:48,432 INFO L82 PathProgramCache]: Analyzing trace with hash 574663959, now seen corresponding path program 1 times [2020-10-09 11:05:48,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:48,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612197210] [2020-10-09 11:05:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:48,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612197210] [2020-10-09 11:05:48,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:48,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:48,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673747479] [2020-10-09 11:05:48,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 11:05:48,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:48,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 11:05:48,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:48,466 INFO L87 Difference]: Start difference. First operand 2180 states and 5394 transitions. Second operand 4 states. [2020-10-09 11:05:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:48,535 INFO L93 Difference]: Finished difference Result 2507 states and 6115 transitions. [2020-10-09 11:05:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 11:05:48,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-09 11:05:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:48,547 INFO L225 Difference]: With dead ends: 2507 [2020-10-09 11:05:48,547 INFO L226 Difference]: Without dead ends: 1814 [2020-10-09 11:05:48,548 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-10-09 11:05:48,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1440. [2020-10-09 11:05:48,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-10-09 11:05:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 3564 transitions. [2020-10-09 11:05:48,591 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 3564 transitions. Word has length 12 [2020-10-09 11:05:48,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:48,592 INFO L481 AbstractCegarLoop]: Abstraction has 1440 states and 3564 transitions. [2020-10-09 11:05:48,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 11:05:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 3564 transitions. [2020-10-09 11:05:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-09 11:05:48,595 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:48,595 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:48,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 11:05:48,595 INFO L429 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:05:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1296450119, now seen corresponding path program 1 times [2020-10-09 11:05:48,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:48,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28630612] [2020-10-09 11:05:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:48,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28630612] [2020-10-09 11:05:48,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:48,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 11:05:48,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808033523] [2020-10-09 11:05:48,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:05:48,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:48,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:05:48,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:48,651 INFO L87 Difference]: Start difference. First operand 1440 states and 3564 transitions. Second operand 5 states. [2020-10-09 11:05:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:48,693 INFO L93 Difference]: Finished difference Result 1734 states and 4180 transitions. [2020-10-09 11:05:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 11:05:48,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-09 11:05:48,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:48,701 INFO L225 Difference]: With dead ends: 1734 [2020-10-09 11:05:48,701 INFO L226 Difference]: Without dead ends: 1508 [2020-10-09 11:05:48,702 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-10-09 11:05:48,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1376. [2020-10-09 11:05:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2020-10-09 11:05:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 3414 transitions. [2020-10-09 11:05:48,743 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 3414 transitions. Word has length 19 [2020-10-09 11:05:48,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:48,743 INFO L481 AbstractCegarLoop]: Abstraction has 1376 states and 3414 transitions. [2020-10-09 11:05:48,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:05:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 3414 transitions. [2020-10-09 11:05:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-09 11:05:48,746 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:48,746 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:48,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 11:05:48,747 INFO L429 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:05:48,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:48,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1280173471, now seen corresponding path program 2 times [2020-10-09 11:05:48,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:48,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331390244] [2020-10-09 11:05:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:48,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331390244] [2020-10-09 11:05:48,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:48,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 11:05:48,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214206005] [2020-10-09 11:05:48,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:05:48,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:48,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:05:48,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:48,834 INFO L87 Difference]: Start difference. First operand 1376 states and 3414 transitions. Second operand 5 states. [2020-10-09 11:05:48,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:48,888 INFO L93 Difference]: Finished difference Result 530 states and 1160 transitions. [2020-10-09 11:05:48,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 11:05:48,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-09 11:05:48,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:48,889 INFO L225 Difference]: With dead ends: 530 [2020-10-09 11:05:48,889 INFO L226 Difference]: Without dead ends: 0 [2020-10-09 11:05:48,889 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-09 11:05:48,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-09 11:05:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-09 11:05:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-09 11:05:48,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-10-09 11:05:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:48,891 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-09 11:05:48,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:05:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-09 11:05:48,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-09 11:05:48,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 11:05:48,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 11:05:48 BasicIcfg [2020-10-09 11:05:48,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 11:05:48,899 INFO L168 Benchmark]: Toolchain (without parser) took 6354.43 ms. Allocated memory was 251.1 MB in the beginning and 423.1 MB in the end (delta: 172.0 MB). Free memory was 206.5 MB in the beginning and 365.1 MB in the end (delta: -158.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:48,900 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:05:48,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.85 ms. Allocated memory was 251.1 MB in the beginning and 314.0 MB in the end (delta: 62.9 MB). Free memory was 206.5 MB in the beginning and 269.7 MB in the end (delta: -63.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:48,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.22 ms. Allocated memory is still 314.0 MB. Free memory was 269.7 MB in the beginning and 267.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:48,908 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 314.0 MB. Free memory was 267.2 MB in the beginning and 264.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:48,908 INFO L168 Benchmark]: RCFGBuilder took 572.65 ms. Allocated memory is still 314.0 MB. Free memory was 264.7 MB in the beginning and 235.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:48,909 INFO L168 Benchmark]: TraceAbstraction took 4924.16 ms. Allocated memory was 314.0 MB in the beginning and 423.1 MB in the end (delta: 109.1 MB). Free memory was 235.3 MB in the beginning and 365.1 MB in the end (delta: -129.9 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:05:48,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 766.85 ms. Allocated memory was 251.1 MB in the beginning and 314.0 MB in the end (delta: 62.9 MB). Free memory was 206.5 MB in the beginning and 269.7 MB in the end (delta: -63.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.22 ms. Allocated memory is still 314.0 MB. Free memory was 269.7 MB in the beginning and 267.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.82 ms. Allocated memory is still 314.0 MB. Free memory was 267.2 MB in the beginning and 264.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 572.65 ms. Allocated memory is still 314.0 MB. Free memory was 264.7 MB in the beginning and 235.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 4924.16 ms. Allocated memory was 314.0 MB in the beginning and 423.1 MB in the end (delta: 109.1 MB). Free memory was 235.3 MB in the beginning and 365.1 MB in the end (delta: -129.9 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1748 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 52 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 637 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 99 PlacesBefore, 56 PlacesAfterwards, 100 TransitionsBefore, 55 TransitionsAfterwards, 2448 CoEnabledTransitionPairs, 5 FixpointIterations, 23 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 47 TotalNumberOfCompositions, 13364 MoverChecksTotal - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 436 SDtfs, 433 SDslu, 501 SDs, 0 SdLazy, 137 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4376occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 3863 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 2186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...