/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.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 19:23:35,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 19:23:35,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 19:23:35,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 19:23:35,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 19:23:35,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 19:23:35,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 19:23:35,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 19:23:35,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 19:23:35,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 19:23:35,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 19:23:35,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 19:23:35,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 19:23:35,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 19:23:35,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 19:23:35,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 19:23:35,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 19:23:35,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 19:23:35,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 19:23:35,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 19:23:35,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 19:23:35,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 19:23:35,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 19:23:35,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 19:23:35,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 19:23:35,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 19:23:35,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 19:23:35,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 19:23:35,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 19:23:35,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 19:23:35,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 19:23:35,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 19:23:35,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 19:23:35,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 19:23:35,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 19:23:35,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 19:23:35,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-01-26 19:23:35,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 19:23:35,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 19:23:35,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 19:23:35,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 19:23:35,624 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 19:23:35,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 19:23:35,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 19:23:35,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 19:23:35,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 19:23:35,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 19:23:35,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 19:23:35,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 19:23:35,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 19:23:35,628 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 19:23:35,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 19:23:35,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 19:23:35,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 19:23:35,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 19:23:35,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 19:23:35,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 19:23:35,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 19:23:35,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 19:23:35,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 19:23:35,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 19:23:35,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 19:23:35,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 19:23:35,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 19:23:35,631 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 19:23:35,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 19:23:35,631 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 19:23:35,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 19:23:36,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 19:23:36,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 19:23:36,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 19:23:36,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 19:23:36,098 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 19:23:36,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-01-26 19:23:36,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f4584cd/f3bbbc550afb429b90d06ebf897e695f/FLAG2977e75c6 [2021-01-26 19:23:36,954 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 19:23:36,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-01-26 19:23:36,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f4584cd/f3bbbc550afb429b90d06ebf897e695f/FLAG2977e75c6 [2021-01-26 19:23:37,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f4584cd/f3bbbc550afb429b90d06ebf897e695f [2021-01-26 19:23:37,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 19:23:37,248 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 19:23:37,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 19:23:37,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 19:23:37,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 19:23:37,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e09e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37, skipping insertion in model container [2021-01-26 19:23:37,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 19:23:37,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 19:23:37,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 19:23:37,655 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 19:23:37,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 19:23:37,845 INFO L208 MainTranslator]: Completed translation [2021-01-26 19:23:37,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37 WrapperNode [2021-01-26 19:23:37,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 19:23:37,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 19:23:37,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 19:23:37,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 19:23:37,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 19:23:37,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 19:23:37,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 19:23:37,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 19:23:37,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... [2021-01-26 19:23:37,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 19:23:37,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 19:23:37,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 19:23:37,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 19:23:38,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 19:23:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 19:23:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 19:23:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 19:23:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 19:23:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 19:23:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 19:23:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 19:23:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 19:23:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 19:23:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 19:23:38,113 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 19:23:38,751 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 19:23:38,751 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2021-01-26 19:23:38,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 07:23:38 BoogieIcfgContainer [2021-01-26 19:23:38,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 19:23:38,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 19:23:38,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 19:23:38,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 19:23:38,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 07:23:37" (1/3) ... [2021-01-26 19:23:38,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e128fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 07:23:38, skipping insertion in model container [2021-01-26 19:23:38,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:37" (2/3) ... [2021-01-26 19:23:38,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e128fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 07:23:38, skipping insertion in model container [2021-01-26 19:23:38,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 07:23:38" (3/3) ... [2021-01-26 19:23:38,762 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2021-01-26 19:23:38,779 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 19:23:38,780 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 19:23:38,784 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 19:23:38,785 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 19:23:38,828 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,828 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,829 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,833 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,833 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,834 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,834 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,834 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,836 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,836 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,836 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,839 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,842 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,842 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,843 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,843 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,843 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,844 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,850 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,850 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,855 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,864 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,864 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,865 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:38,879 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 19:23:38,895 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 19:23:38,935 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 19:23:38,935 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 19:23:38,935 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 19:23:38,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 19:23:38,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 19:23:38,936 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 19:23:38,936 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 19:23:38,936 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 19:23:38,959 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 103 transitions, 214 flow [2021-01-26 19:23:39,029 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 660 states, 658 states have (on average 2.234042553191489) internal successors, (1470), 659 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 19:23:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 660 states, 658 states have (on average 2.234042553191489) internal successors, (1470), 659 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 19:23:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-26 19:23:39,063 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 19:23:39,064 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] [2021-01-26 19:23:39,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 19:23:39,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 19:23:39,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1950299108, now seen corresponding path program 1 times [2021-01-26 19:23:39,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 19:23:39,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603544677] [2021-01-26 19:23:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 19:23:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 19:23:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 19:23:39,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603544677] [2021-01-26 19:23:39,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 19:23:39,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-26 19:23:39,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933740961] [2021-01-26 19:23:39,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-26 19:23:39,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 19:23:39,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-26 19:23:39,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-01-26 19:23:39,616 INFO L87 Difference]: Start difference. First operand has 660 states, 658 states have (on average 2.234042553191489) internal successors, (1470), 659 states have internal predecessors, (1470), 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 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 19:23:40,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 19:23:40,332 INFO L93 Difference]: Finished difference Result 753 states and 1377 transitions. [2021-01-26 19:23:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-26 19:23:40,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-01-26 19:23:40,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 19:23:40,351 INFO L225 Difference]: With dead ends: 753 [2021-01-26 19:23:40,351 INFO L226 Difference]: Without dead ends: 347 [2021-01-26 19:23:40,353 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-01-26 19:23:40,353 INFO L78 Accepts]: Start accepts. Automaton has 347 states. Word has length 48 [2021-01-26 19:23:40,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 19:23:40,355 INFO L481 AbstractCegarLoop]: Abstraction has 347 states. [2021-01-26 19:23:40,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 19:23:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2021-01-26 19:23:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-26 19:23:40,360 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 19:23:40,360 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] [2021-01-26 19:23:40,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 19:23:40,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 19:23:40,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 19:23:40,362 INFO L82 PathProgramCache]: Analyzing trace with hash 424723398, now seen corresponding path program 1 times [2021-01-26 19:23:40,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 19:23:40,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777382062] [2021-01-26 19:23:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 19:23:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 19:23:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 19:23:40,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777382062] [2021-01-26 19:23:40,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 19:23:40,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 19:23:40,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448250749] [2021-01-26 19:23:40,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 19:23:40,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 19:23:40,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 19:23:40,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-26 19:23:40,570 INFO L87 Difference]: Start difference. First operand 347 states. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-01-26 19:23:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 19:23:40,719 INFO L93 Difference]: Finished difference Result 139 states and 197 transitions. [2021-01-26 19:23:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-26 19:23:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 [2021-01-26 19:23:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 19:23:40,725 INFO L225 Difference]: With dead ends: 139 [2021-01-26 19:23:40,726 INFO L226 Difference]: Without dead ends: 127 [2021-01-26 19:23:40,727 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-26 19:23:40,727 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 58 [2021-01-26 19:23:40,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 19:23:40,728 INFO L481 AbstractCegarLoop]: Abstraction has 127 states. [2021-01-26 19:23:40,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-01-26 19:23:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2021-01-26 19:23:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-26 19:23:40,733 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 19:23:40,733 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 19:23:40,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 19:23:40,736 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 19:23:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 19:23:40,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1074228917, now seen corresponding path program 1 times [2021-01-26 19:23:40,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 19:23:40,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526865833] [2021-01-26 19:23:40,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 19:23:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 19:23:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 19:23:41,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526865833] [2021-01-26 19:23:41,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 19:23:41,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-26 19:23:41,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793587104] [2021-01-26 19:23:41,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-26 19:23:41,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 19:23:41,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-26 19:23:41,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-01-26 19:23:41,327 INFO L87 Difference]: Start difference. First operand 127 states. Second operand has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 19:23:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 19:23:42,262 INFO L93 Difference]: Finished difference Result 115 states and 157 transitions. [2021-01-26 19:23:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-26 19:23:42,263 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 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 73 [2021-01-26 19:23:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 19:23:42,264 INFO L225 Difference]: With dead ends: 115 [2021-01-26 19:23:42,264 INFO L226 Difference]: Without dead ends: 0 [2021-01-26 19:23:42,265 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 19:23:42,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states. Word has length 73 [2021-01-26 19:23:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 19:23:42,265 INFO L481 AbstractCegarLoop]: Abstraction has 0 states. [2021-01-26 19:23:42,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 19:23:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2021-01-26 19:23:42,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-26 19:23:42,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 19:23:42,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 07:23:42 BasicIcfg [2021-01-26 19:23:42,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 19:23:42,276 INFO L168 Benchmark]: Toolchain (without parser) took 5034.51 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 277.0 MB in the beginning and 210.3 MB in the end (delta: 66.7 MB). Peak memory consumption was 135.4 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:42,276 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 19:23:42,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.73 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 245.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:42,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.00 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:42,279 INFO L168 Benchmark]: Boogie Preprocessor took 81.93 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 284.7 MB in the end (delta: -41.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:42,280 INFO L168 Benchmark]: RCFGBuilder took 755.57 ms. Allocated memory is still 302.0 MB. Free memory was 283.7 MB in the beginning and 257.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:42,281 INFO L168 Benchmark]: TraceAbstraction took 3516.51 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 257.4 MB in the beginning and 210.3 MB in the end (delta: 47.1 MB). Peak memory consumption was 116.3 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:42,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 596.73 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 245.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.00 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 81.93 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 284.7 MB in the end (delta: -41.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.0 GB. * RCFGBuilder took 755.57 ms. Allocated memory is still 302.0 MB. Free memory was 283.7 MB in the beginning and 257.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3516.51 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 257.4 MB in the beginning and 210.3 MB in the end (delta: 47.1 MB). Peak memory consumption was 116.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 683]: 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 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 290 SDtfs, 630 SDslu, 1348 SDs, 0 SdLazy, 396 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 48053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...