/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 00:04:21,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 00:04:21,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 00:04:21,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 00:04:21,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 00:04:21,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 00:04:21,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 00:04:22,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 00:04:22,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 00:04:22,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 00:04:22,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 00:04:22,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 00:04:22,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 00:04:22,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 00:04:22,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 00:04:22,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 00:04:22,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 00:04:22,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 00:04:22,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 00:04:22,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 00:04:22,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 00:04:22,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 00:04:22,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 00:04:22,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 00:04:22,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 00:04:22,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 00:04:22,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 00:04:22,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 00:04:22,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 00:04:22,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 00:04:22,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 00:04:22,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 00:04:22,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 00:04:22,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 00:04:22,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 00:04:22,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 00:04:22,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 00:04:22,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 00:04:22,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 00:04:22,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 00:04:22,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 00:04:22,068 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-keepdead.epf [2020-12-18 00:04:22,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 00:04:22,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 00:04:22,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 00:04:22,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 00:04:22,110 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 00:04:22,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 00:04:22,111 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 00:04:22,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 00:04:22,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 00:04:22,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 00:04:22,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 00:04:22,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 00:04:22,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 00:04:22,112 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 00:04:22,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 00:04:22,113 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 00:04:22,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 00:04:22,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 00:04:22,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 00:04:22,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 00:04:22,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 00:04:22,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 00:04:22,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 00:04:22,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 00:04:22,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 00:04:22,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 00:04:22,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 00:04:22,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 00:04:22,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 00:04:22,116 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-18 00:04:22,116 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 00:04:22,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 00:04:22,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 00:04:22,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 00:04:22,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 00:04:22,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 00:04:22,507 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 00:04:22,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-12-18 00:04:22,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d371822a/14b98e4ca7054913b063377ab7efa69f/FLAG1e378ed4f [2020-12-18 00:04:23,253 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 00:04:23,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-12-18 00:04:23,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d371822a/14b98e4ca7054913b063377ab7efa69f/FLAG1e378ed4f [2020-12-18 00:04:23,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d371822a/14b98e4ca7054913b063377ab7efa69f [2020-12-18 00:04:23,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 00:04:23,534 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 00:04:23,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 00:04:23,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 00:04:23,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 00:04:23,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:04:23" (1/1) ... [2020-12-18 00:04:23,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b09ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:23, skipping insertion in model container [2020-12-18 00:04:23,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:04:23" (1/1) ... [2020-12-18 00:04:23,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 00:04:23,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 00:04:23,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 00:04:24,000 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 00:04:24,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 00:04:24,148 INFO L208 MainTranslator]: Completed translation [2020-12-18 00:04:24,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24 WrapperNode [2020-12-18 00:04:24,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 00:04:24,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 00:04:24,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 00:04:24,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 00:04:24,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 00:04:24,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 00:04:24,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 00:04:24,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 00:04:24,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (1/1) ... [2020-12-18 00:04:24,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 00:04:24,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 00:04:24,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 00:04:24,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 00:04:24,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (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 [2020-12-18 00:04:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 00:04:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 00:04:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 00:04:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 00:04:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-18 00:04:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-18 00:04:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-18 00:04:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-18 00:04:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-12-18 00:04:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-12-18 00:04:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-12-18 00:04:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-12-18 00:04:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 00:04:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 00:04:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 00:04:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 00:04:24,453 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 00:04:24,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 00:04:24,939 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-18 00:04:24,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:04:24 BoogieIcfgContainer [2020-12-18 00:04:24,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 00:04:24,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 00:04:24,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 00:04:24,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 00:04:24,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:04:23" (1/3) ... [2020-12-18 00:04:24,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178902fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:04:24, skipping insertion in model container [2020-12-18 00:04:24,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:04:24" (2/3) ... [2020-12-18 00:04:24,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178902fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:04:24, skipping insertion in model container [2020-12-18 00:04:24,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:04:24" (3/3) ... [2020-12-18 00:04:24,950 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2020-12-18 00:04:24,965 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 00:04:24,965 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 00:04:24,969 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 00:04:24,970 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 00:04:25,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,009 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,009 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,009 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,009 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,013 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,014 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,015 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,015 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,015 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,017 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,017 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,017 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,018 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,018 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,018 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,019 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,019 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,019 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,021 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,022 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,028 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,028 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,031 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,031 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,032 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,032 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:04:25,040 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 00:04:25,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-18 00:04:25,076 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 00:04:25,076 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 00:04:25,076 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 00:04:25,076 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 00:04:25,076 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 00:04:25,077 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 00:04:25,077 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 00:04:25,077 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 00:04:25,089 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 95 transitions, 210 flow [2020-12-18 00:04:37,350 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 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) [2020-12-18 00:04:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 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) [2020-12-18 00:04:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-18 00:04:37,590 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:04:37,591 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:04:37,592 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:04:37,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:04:37,599 INFO L82 PathProgramCache]: Analyzing trace with hash 207288984, now seen corresponding path program 1 times [2020-12-18 00:04:37,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:04:37,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136906239] [2020-12-18 00:04:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:04:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:04:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:04:38,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136906239] [2020-12-18 00:04:38,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:04:38,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:04:38,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615957055] [2020-12-18 00:04:38,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:04:38,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:04:38,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:04:38,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:04:38,237 INFO L87 Difference]: Start difference. First operand has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:04:39,929 INFO L93 Difference]: Finished difference Result 93543 states and 406523 transitions. [2020-12-18 00:04:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:04:39,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-12-18 00:04:39,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:04:39,934 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:04:39,935 INFO L78 Accepts]: Start accepts. Automaton has 93543 states and 406523 transitions. Word has length 49 [2020-12-18 00:04:39,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:04:39,937 INFO L481 AbstractCegarLoop]: Abstraction has 93543 states and 406523 transitions. [2020-12-18 00:04:39,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 93543 states and 406523 transitions. [2020-12-18 00:04:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-18 00:04:40,487 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:04:40,487 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:04:40,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 00:04:40,488 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:04:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:04:40,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1595300761, now seen corresponding path program 1 times [2020-12-18 00:04:40,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:04:40,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708686420] [2020-12-18 00:04:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:04:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:04:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:04:40,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708686420] [2020-12-18 00:04:40,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:04:40,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:04:40,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184678425] [2020-12-18 00:04:40,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:04:40,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:04:40,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:04:40,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:04:40,858 INFO L87 Difference]: Start difference. First operand 93543 states and 406523 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:42,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:04:42,659 INFO L93 Difference]: Finished difference Result 138623 states and 599247 transitions. [2020-12-18 00:04:42,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:04:42,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2020-12-18 00:04:42,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:04:42,669 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:04:42,669 INFO L78 Accepts]: Start accepts. Automaton has 138623 states and 599247 transitions. Word has length 51 [2020-12-18 00:04:42,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:04:42,671 INFO L481 AbstractCegarLoop]: Abstraction has 138623 states and 599247 transitions. [2020-12-18 00:04:42,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 138623 states and 599247 transitions. [2020-12-18 00:04:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-18 00:04:42,765 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:04:42,765 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:04:42,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 00:04:42,765 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:04:42,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:04:42,767 INFO L82 PathProgramCache]: Analyzing trace with hash 103864632, now seen corresponding path program 1 times [2020-12-18 00:04:42,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:04:42,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859381363] [2020-12-18 00:04:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:04:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:04:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:04:42,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859381363] [2020-12-18 00:04:42,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:04:42,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:04:42,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036856499] [2020-12-18 00:04:42,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:04:42,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:04:42,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:04:42,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:04:42,968 INFO L87 Difference]: Start difference. First operand 138623 states and 599247 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:46,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:04:46,110 INFO L93 Difference]: Finished difference Result 217863 states and 936639 transitions. [2020-12-18 00:04:46,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:04:46,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-12-18 00:04:46,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:04:46,114 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:04:46,114 INFO L78 Accepts]: Start accepts. Automaton has 217863 states and 936639 transitions. Word has length 53 [2020-12-18 00:04:46,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:04:46,120 INFO L481 AbstractCegarLoop]: Abstraction has 217863 states and 936639 transitions. [2020-12-18 00:04:46,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 217863 states and 936639 transitions. [2020-12-18 00:04:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-18 00:04:46,345 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:04:46,345 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:04:46,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-18 00:04:46,346 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:04:46,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:04:46,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1670743673, now seen corresponding path program 1 times [2020-12-18 00:04:46,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:04:46,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827441526] [2020-12-18 00:04:46,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:04:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:04:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:04:46,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827441526] [2020-12-18 00:04:46,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:04:46,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:04:46,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534545777] [2020-12-18 00:04:46,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:04:46,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:04:46,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:04:46,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:04:46,560 INFO L87 Difference]: Start difference. First operand 217863 states and 936639 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:04:50,736 INFO L93 Difference]: Finished difference Result 316363 states and 1346319 transitions. [2020-12-18 00:04:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:04:50,741 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-12-18 00:04:50,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:04:50,742 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-12-18 00:04:50,742 INFO L78 Accepts]: Start accepts. Automaton has 316363 states and 1346319 transitions. Word has length 55 [2020-12-18 00:04:50,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:04:50,745 INFO L481 AbstractCegarLoop]: Abstraction has 316363 states and 1346319 transitions. [2020-12-18 00:04:50,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:04:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 316363 states and 1346319 transitions. [2020-12-18 00:04:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-18 00:04:51,048 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:04:51,049 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:04:51,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-18 00:04:51,049 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:04:51,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:04:51,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1313260234, now seen corresponding path program 1 times [2020-12-18 00:04:51,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:04:51,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876627771] [2020-12-18 00:04:51,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:04:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:04:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:04:51,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876627771] [2020-12-18 00:04:51,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:04:51,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:04:51,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811899507] [2020-12-18 00:04:51,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:04:51,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:04:51,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:04:51,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:04:51,242 INFO L87 Difference]: Start difference. First operand 316363 states and 1346319 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2020-12-18 00:04:57,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:04:57,694 INFO L93 Difference]: Finished difference Result 528523 states and 2222927 transitions. [2020-12-18 00:04:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:04:57,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58 [2020-12-18 00:04:57,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:04:57,703 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-12-18 00:04:57,703 INFO L78 Accepts]: Start accepts. Automaton has 528523 states and 2222927 transitions. Word has length 58 [2020-12-18 00:04:57,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:04:57,707 INFO L481 AbstractCegarLoop]: Abstraction has 528523 states and 2222927 transitions. [2020-12-18 00:04:57,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2020-12-18 00:04:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 528523 states and 2222927 transitions. [2020-12-18 00:04:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-18 00:04:58,206 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:04:58,206 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:04:58,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-18 00:04:58,222 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:04:58,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:04:58,222 INFO L82 PathProgramCache]: Analyzing trace with hash 655749958, now seen corresponding path program 1 times [2020-12-18 00:04:58,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:04:58,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822291110] [2020-12-18 00:04:58,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:04:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:04:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:04:58,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822291110] [2020-12-18 00:04:58,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:04:58,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:04:58,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599305857] [2020-12-18 00:04:58,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:04:58,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:04:58,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:04:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:04:58,412 INFO L87 Difference]: Start difference. First operand 528523 states and 2222927 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2020-12-18 00:05:07,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:05:07,815 INFO L93 Difference]: Finished difference Result 756203 states and 3156231 transitions. [2020-12-18 00:05:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:05:07,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2020-12-18 00:05:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:05:07,824 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-12-18 00:05:07,824 INFO L78 Accepts]: Start accepts. Automaton has 756203 states and 3156231 transitions. Word has length 59 [2020-12-18 00:05:07,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:05:07,826 INFO L481 AbstractCegarLoop]: Abstraction has 756203 states and 3156231 transitions. [2020-12-18 00:05:07,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2020-12-18 00:05:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 756203 states and 3156231 transitions. [2020-12-18 00:05:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-18 00:05:08,595 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:05:08,596 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:05:08,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-18 00:05:08,596 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:05:08,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:05:08,597 INFO L82 PathProgramCache]: Analyzing trace with hash 792710772, now seen corresponding path program 1 times [2020-12-18 00:05:08,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:05:08,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475014711] [2020-12-18 00:05:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:05:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:05:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:05:08,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475014711] [2020-12-18 00:05:08,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:05:08,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:05:08,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708737956] [2020-12-18 00:05:08,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:05:08,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:05:08,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:05:08,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:05:08,820 INFO L87 Difference]: Start difference. First operand 756203 states and 3156231 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-12-18 00:05:21,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:05:21,626 INFO L93 Difference]: Finished difference Result 1071563 states and 4443759 transitions. [2020-12-18 00:05:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:05:21,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2020-12-18 00:05:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:05:21,628 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-12-18 00:05:21,628 INFO L78 Accepts]: Start accepts. Automaton has 1071563 states and 4443759 transitions. Word has length 60 [2020-12-18 00:05:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:05:21,629 INFO L481 AbstractCegarLoop]: Abstraction has 1071563 states and 4443759 transitions. [2020-12-18 00:05:21,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-12-18 00:05:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1071563 states and 4443759 transitions. [2020-12-18 00:05:28,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-18 00:05:28,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-18 00:05:28,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 12:05:28 BasicIcfg [2020-12-18 00:05:28,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-18 00:05:28,886 INFO L168 Benchmark]: Toolchain (without parser) took 65351.25 ms. Allocated memory was 302.0 MB in the beginning and 15.4 GB in the end (delta: 15.1 GB). Free memory was 277.1 MB in the beginning and 7.0 GB in the end (delta: -6.8 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. [2020-12-18 00:05:28,894 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 272.4 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 00:05:28,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.30 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 245.5 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-18 00:05:28,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.87 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 283.1 MB in the end (delta: -37.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. [2020-12-18 00:05:28,897 INFO L168 Benchmark]: Boogie Preprocessor took 63.53 ms. Allocated memory is still 302.0 MB. Free memory was 283.1 MB in the beginning and 281.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:05:28,903 INFO L168 Benchmark]: RCFGBuilder took 570.40 ms. Allocated memory is still 302.0 MB. Free memory was 281.4 MB in the beginning and 256.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-12-18 00:05:28,904 INFO L168 Benchmark]: TraceAbstraction took 63938.83 ms. Allocated memory was 302.0 MB in the beginning and 15.4 GB in the end (delta: 15.1 GB). Free memory was 256.2 MB in the beginning and 7.0 GB in the end (delta: -6.8 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2020-12-18 00:05:28,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 272.4 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 614.30 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 245.5 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 154.87 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 283.1 MB in the end (delta: -37.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.53 ms. Allocated memory is still 302.0 MB. Free memory was 283.1 MB in the beginning and 281.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 570.40 ms. Allocated memory is still 302.0 MB. Free memory was 281.4 MB in the beginning and 256.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 63938.83 ms. Allocated memory was 302.0 MB in the beginning and 15.4 GB in the end (delta: 15.1 GB). Free memory was 256.2 MB in the beginning and 7.0 GB in the end (delta: -6.8 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 39.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.2s, HoareTripleCheckerStatistics: 1058 SDtfs, 2425 SDslu, 3628 SDs, 0 SdLazy, 255 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1071563occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 58732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...