/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/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 12:09:07,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 12:09:07,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 12:09:07,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 12:09:07,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 12:09:07,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 12:09:07,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 12:09:07,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 12:09:07,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 12:09:07,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 12:09:07,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 12:09:07,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 12:09:07,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 12:09:07,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 12:09:07,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 12:09:07,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 12:09:07,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 12:09:07,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 12:09:07,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 12:09:07,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 12:09:07,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 12:09:07,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 12:09:07,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 12:09:07,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 12:09:07,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 12:09:07,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 12:09:07,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 12:09:07,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 12:09:07,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 12:09:07,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 12:09:07,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 12:09:07,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 12:09:07,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 12:09:07,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 12:09:07,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 12:09:07,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 12:09:07,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 12:09:07,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 12:09:07,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 12:09:07,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 12:09:07,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 12:09:07,849 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 [2021-01-20 12:09:07,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 12:09:07,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 12:09:07,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 12:09:07,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 12:09:07,879 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 12:09:07,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 12:09:07,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 12:09:07,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 12:09:07,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 12:09:07,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 12:09:07,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 12:09:07,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 12:09:07,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 12:09:07,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 12:09:07,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 12:09:07,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 12:09:07,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 12:09:07,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 12:09:07,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 12:09:07,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 12:09:07,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 12:09:07,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 12:09:07,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 12:09:07,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 12:09:07,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 12:09:07,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 12:09:07,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 12:09:07,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 12:09:07,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 12:09:07,886 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 12:09:07,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 12:09:08,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 12:09:08,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 12:09:08,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 12:09:08,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 12:09:08,379 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 12:09:08,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-01-20 12:09:08,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c778b5406/75fc2d202e03415aad272a7cc5fb6f22/FLAGc872f823c [2021-01-20 12:09:09,186 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 12:09:09,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-01-20 12:09:09,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c778b5406/75fc2d202e03415aad272a7cc5fb6f22/FLAGc872f823c [2021-01-20 12:09:09,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c778b5406/75fc2d202e03415aad272a7cc5fb6f22 [2021-01-20 12:09:09,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 12:09:09,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 12:09:09,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 12:09:09,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 12:09:09,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 12:09:09,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 12:09:09" (1/1) ... [2021-01-20 12:09:09,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6821f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:09, skipping insertion in model container [2021-01-20 12:09:09,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 12:09:09" (1/1) ... [2021-01-20 12:09:09,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 12:09:09,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 12:09:09,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 12:09:09,981 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 12:09:10,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 12:09:10,234 INFO L208 MainTranslator]: Completed translation [2021-01-20 12:09:10,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10 WrapperNode [2021-01-20 12:09:10,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 12:09:10,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 12:09:10,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 12:09:10,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 12:09:10,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 12:09:10,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 12:09:10,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 12:09:10,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 12:09:10,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (1/1) ... [2021-01-20 12:09:10,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 12:09:10,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 12:09:10,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 12:09:10,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 12:09:10,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (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 [2021-01-20 12:09:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-01-20 12:09:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-01-20 12:09:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 12:09:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-01-20 12:09:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-01-20 12:09:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 12:09:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 12:09:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 12:09:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 12:09:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 12:09:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 12:09:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 12:09:10,485 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 12:09:10,994 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 12:09:10,995 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-20 12:09:10,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 12:09:10 BoogieIcfgContainer [2021-01-20 12:09:10,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 12:09:10,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 12:09:10,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 12:09:11,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 12:09:11,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 12:09:09" (1/3) ... [2021-01-20 12:09:11,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f9f7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 12:09:11, skipping insertion in model container [2021-01-20 12:09:11,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:09:10" (2/3) ... [2021-01-20 12:09:11,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f9f7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 12:09:11, skipping insertion in model container [2021-01-20 12:09:11,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 12:09:10" (3/3) ... [2021-01-20 12:09:11,007 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-01-20 12:09:11,024 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 12:09:11,024 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 12:09:11,028 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-20 12:09:11,029 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 12:09:11,063 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,063 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,064 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,064 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,064 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,064 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,065 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,065 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,065 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,065 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,066 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,066 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,066 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,067 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,067 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,067 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,068 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,068 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,068 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,068 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,069 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,069 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,069 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,069 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,070 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,070 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,070 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,071 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,071 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,072 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,072 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,072 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,072 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,072 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,073 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,073 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,073 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,073 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,074 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,074 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,075 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,075 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,075 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,075 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,076 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,076 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,076 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,076 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,077 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,077 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,077 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,077 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,080 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,080 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,081 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,081 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,081 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,081 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,082 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,082 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,088 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,088 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,088 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,088 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,089 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,089 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,089 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:09:11,097 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 12:09:11,111 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-20 12:09:11,136 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 12:09:11,136 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 12:09:11,136 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 12:09:11,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 12:09:11,137 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 12:09:11,137 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 12:09:11,137 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 12:09:11,137 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 12:09:11,151 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 98 transitions, 218 flow [2021-01-20 12:09:11,233 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1226 states, 1222 states have (on average 2.718494271685761) internal successors, (3322), 1225 states have internal predecessors, (3322), 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) [2021-01-20 12:09:11,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 1226 states, 1222 states have (on average 2.718494271685761) internal successors, (3322), 1225 states have internal predecessors, (3322), 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) [2021-01-20 12:09:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-20 12:09:11,254 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:09:11,255 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] [2021-01-20 12:09:11,256 INFO L429 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 12:09:11,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:09:11,263 INFO L82 PathProgramCache]: Analyzing trace with hash -408505897, now seen corresponding path program 1 times [2021-01-20 12:09:11,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:09:11,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229857634] [2021-01-20 12:09:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:09:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:09:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:09:11,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229857634] [2021-01-20 12:09:11,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:09:11,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 12:09:11,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294833049] [2021-01-20 12:09:11,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 12:09:11,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:09:11,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 12:09:11,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:11,657 INFO L87 Difference]: Start difference. First operand has 1226 states, 1222 states have (on average 2.718494271685761) internal successors, (3322), 1225 states have internal predecessors, (3322), 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 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-01-20 12:09:11,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:09:11,730 INFO L93 Difference]: Finished difference Result 998 states and 2437 transitions. [2021-01-20 12:09:11,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 12:09:11,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2021-01-20 12:09:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:09:11,771 INFO L225 Difference]: With dead ends: 998 [2021-01-20 12:09:11,771 INFO L226 Difference]: Without dead ends: 916 [2021-01-20 12:09:11,773 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:11,773 INFO L78 Accepts]: Start accepts. Automaton has 916 states. Word has length 43 [2021-01-20 12:09:11,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:09:11,775 INFO L481 AbstractCegarLoop]: Abstraction has 916 states. [2021-01-20 12:09:11,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-01-20 12:09:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states. [2021-01-20 12:09:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-20 12:09:11,781 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:09:11,782 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] [2021-01-20 12:09:11,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 12:09:11,782 INFO L429 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 12:09:11,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:09:11,784 INFO L82 PathProgramCache]: Analyzing trace with hash 312671244, now seen corresponding path program 1 times [2021-01-20 12:09:11,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:09:11,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365532601] [2021-01-20 12:09:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:09:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:09:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:09:11,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365532601] [2021-01-20 12:09:11,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:09:11,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 12:09:11,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691639921] [2021-01-20 12:09:11,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 12:09:11,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:09:11,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 12:09:11,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:11,931 INFO L87 Difference]: Start difference. First operand 916 states. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-01-20 12:09:11,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:09:11,968 INFO L93 Difference]: Finished difference Result 901 states and 2132 transitions. [2021-01-20 12:09:11,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 12:09:11,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2021-01-20 12:09:11,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:09:11,977 INFO L225 Difference]: With dead ends: 901 [2021-01-20 12:09:11,977 INFO L226 Difference]: Without dead ends: 799 [2021-01-20 12:09:11,978 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:11,978 INFO L78 Accepts]: Start accepts. Automaton has 799 states. Word has length 46 [2021-01-20 12:09:11,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:09:11,980 INFO L481 AbstractCegarLoop]: Abstraction has 799 states. [2021-01-20 12:09:11,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-01-20 12:09:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states. [2021-01-20 12:09:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-20 12:09:11,985 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:09:11,985 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] [2021-01-20 12:09:11,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 12:09:11,986 INFO L429 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 12:09:11,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:09:11,987 INFO L82 PathProgramCache]: Analyzing trace with hash -2095850990, now seen corresponding path program 1 times [2021-01-20 12:09:11,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:09:11,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865277847] [2021-01-20 12:09:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:09:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:09:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:09:12,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865277847] [2021-01-20 12:09:12,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:09:12,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 12:09:12,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740909638] [2021-01-20 12:09:12,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 12:09:12,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:09:12,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 12:09:12,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:12,067 INFO L87 Difference]: Start difference. First operand 799 states. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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) [2021-01-20 12:09:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:09:12,094 INFO L93 Difference]: Finished difference Result 607 states and 1399 transitions. [2021-01-20 12:09:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 12:09:12,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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 [2021-01-20 12:09:12,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:09:12,098 INFO L225 Difference]: With dead ends: 607 [2021-01-20 12:09:12,099 INFO L226 Difference]: Without dead ends: 442 [2021-01-20 12:09:12,099 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:12,099 INFO L78 Accepts]: Start accepts. Automaton has 442 states. Word has length 48 [2021-01-20 12:09:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:09:12,100 INFO L481 AbstractCegarLoop]: Abstraction has 442 states. [2021-01-20 12:09:12,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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) [2021-01-20 12:09:12,100 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states. [2021-01-20 12:09:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-20 12:09:12,105 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:09:12,105 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] [2021-01-20 12:09:12,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 12:09:12,106 INFO L429 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 12:09:12,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:09:12,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1778213768, now seen corresponding path program 1 times [2021-01-20 12:09:12,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:09:12,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181018723] [2021-01-20 12:09:12,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:09:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:09:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:09:12,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181018723] [2021-01-20 12:09:12,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:09:12,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 12:09:12,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553135749] [2021-01-20 12:09:12,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 12:09:12,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:09:12,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 12:09:12,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-01-20 12:09:12,350 INFO L87 Difference]: Start difference. First operand 442 states. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-01-20 12:09:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:09:12,662 INFO L93 Difference]: Finished difference Result 406 states and 858 transitions. [2021-01-20 12:09:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-20 12:09:12,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 56 [2021-01-20 12:09:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:09:12,672 INFO L225 Difference]: With dead ends: 406 [2021-01-20 12:09:12,672 INFO L226 Difference]: Without dead ends: 346 [2021-01-20 12:09:12,673 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-01-20 12:09:12,673 INFO L78 Accepts]: Start accepts. Automaton has 346 states. Word has length 56 [2021-01-20 12:09:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:09:12,673 INFO L481 AbstractCegarLoop]: Abstraction has 346 states. [2021-01-20 12:09:12,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-01-20 12:09:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states. [2021-01-20 12:09:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-20 12:09:12,676 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:09:12,676 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] [2021-01-20 12:09:12,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 12:09:12,677 INFO L429 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 12:09:12,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:09:12,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1258296568, now seen corresponding path program 2 times [2021-01-20 12:09:12,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:09:12,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636425959] [2021-01-20 12:09:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:09:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:09:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:09:12,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636425959] [2021-01-20 12:09:12,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:09:12,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 12:09:12,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079099263] [2021-01-20 12:09:12,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 12:09:12,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:09:12,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 12:09:12,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:12,793 INFO L87 Difference]: Start difference. First operand 346 states. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-01-20 12:09:12,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:09:12,799 INFO L93 Difference]: Finished difference Result 151 states and 276 transitions. [2021-01-20 12:09:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 12:09:12,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2021-01-20 12:09:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:09:12,801 INFO L225 Difference]: With dead ends: 151 [2021-01-20 12:09:12,801 INFO L226 Difference]: Without dead ends: 0 [2021-01-20 12:09:12,802 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:09:12,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states. Word has length 56 [2021-01-20 12:09:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:09:12,802 INFO L481 AbstractCegarLoop]: Abstraction has 0 states. [2021-01-20 12:09:12,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-01-20 12:09:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2021-01-20 12:09:12,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-20 12:09:12,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 12:09:12,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 12:09:12 BasicIcfg [2021-01-20 12:09:12,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 12:09:12,811 INFO L168 Benchmark]: Toolchain (without parser) took 3307.23 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 131.2 MB in the end (delta: 145.4 MB). Peak memory consumption was 147.0 MB. Max. memory is 16.0 GB. [2021-01-20 12:09:12,812 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 12:09:12,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.72 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 277.8 MB in the end (delta: -1.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. [2021-01-20 12:09:12,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.15 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 274.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 12:09:12,820 INFO L168 Benchmark]: Boogie Preprocessor took 59.10 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 273.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 12:09:12,821 INFO L168 Benchmark]: RCFGBuilder took 604.81 ms. Allocated memory is still 302.0 MB. Free memory was 273.8 MB in the beginning and 247.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-01-20 12:09:12,821 INFO L168 Benchmark]: TraceAbstraction took 1809.47 ms. Allocated memory is still 302.0 MB. Free memory was 247.6 MB in the beginning and 131.2 MB in the end (delta: 116.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 16.0 GB. [2021-01-20 12:09:12,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 727.72 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 277.8 MB in the end (delta: -1.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 94.15 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 274.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.10 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 273.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 604.81 ms. Allocated memory is still 302.0 MB. Free memory was 273.8 MB in the beginning and 247.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1809.47 ms. Allocated memory is still 302.0 MB. Free memory was 247.6 MB in the beginning and 131.2 MB in the end (delta: 116.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 351 SDslu, 269 SDs, 0 SdLazy, 76 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1226occurred 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, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 24099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...