/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 18:45:08,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 18:45:08,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 18:45:08,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 18:45:08,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 18:45:08,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 18:45:08,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 18:45:08,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 18:45:08,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 18:45:08,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 18:45:08,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 18:45:08,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 18:45:08,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 18:45:08,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 18:45:08,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 18:45:08,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 18:45:08,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 18:45:08,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 18:45:08,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 18:45:08,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 18:45:08,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 18:45:08,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 18:45:08,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 18:45:08,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 18:45:08,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 18:45:08,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 18:45:08,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 18:45:08,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 18:45:08,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 18:45:08,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 18:45:08,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 18:45:08,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 18:45:08,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 18:45:08,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 18:45:08,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 18:45:08,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 18:45:08,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2021-01-20 18:45:08,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 18:45:08,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 18:45:08,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 18:45:08,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 18:45:08,178 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 18:45:08,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 18:45:08,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 18:45:08,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 18:45:08,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 18:45:08,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 18:45:08,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 18:45:08,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 18:45:08,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 18:45:08,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 18:45:08,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 18:45:08,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 18:45:08,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 18:45:08,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 18:45:08,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 18:45:08,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 18:45:08,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 18:45:08,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 18:45:08,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 18:45:08,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 18:45:08,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 18:45:08,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 18:45:08,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 18:45:08,184 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 18:45:08,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 18:45:08,184 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 18:45:08,185 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 18:45:08,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 18:45:08,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 18:45:08,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 18:45:08,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 18:45:08,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 18:45:08,697 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 18:45:08,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2021-01-20 18:45:08,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81e9dde1/0e1b1468b6934568af76211cb0c32caf/FLAG4125758d7 [2021-01-20 18:45:09,581 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 18:45:09,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2021-01-20 18:45:09,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81e9dde1/0e1b1468b6934568af76211cb0c32caf/FLAG4125758d7 [2021-01-20 18:45:09,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81e9dde1/0e1b1468b6934568af76211cb0c32caf [2021-01-20 18:45:09,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 18:45:09,817 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 18:45:09,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 18:45:09,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 18:45:09,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 18:45:09,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 06:45:09" (1/1) ... [2021-01-20 18:45:09,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e04e9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:09, skipping insertion in model container [2021-01-20 18:45:09,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 06:45:09" (1/1) ... [2021-01-20 18:45:09,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 18:45:09,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 18:45:10,193 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-20 18:45:10,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 18:45:10,367 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 18:45:10,386 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-20 18:45:10,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 18:45:10,544 INFO L208 MainTranslator]: Completed translation [2021-01-20 18:45:10,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10 WrapperNode [2021-01-20 18:45:10,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 18:45:10,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 18:45:10,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 18:45:10,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 18:45:10,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 18:45:10,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 18:45:10,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 18:45:10,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 18:45:10,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (1/1) ... [2021-01-20 18:45:10,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 18:45:10,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 18:45:10,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 18:45:10,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 18:45:10,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (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 18:45:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-20 18:45:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-20 18:45:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 18:45:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-20 18:45:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 18:45:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 18:45:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 18:45:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-20 18:45:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 18:45:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 18:45:10,721 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 18:45:11,252 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 18:45:11,252 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2021-01-20 18:45:11,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 06:45:11 BoogieIcfgContainer [2021-01-20 18:45:11,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 18:45:11,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 18:45:11,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 18:45:11,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 18:45:11,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 06:45:09" (1/3) ... [2021-01-20 18:45:11,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a9d80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 06:45:11, skipping insertion in model container [2021-01-20 18:45:11,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:45:10" (2/3) ... [2021-01-20 18:45:11,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a9d80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 06:45:11, skipping insertion in model container [2021-01-20 18:45:11,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 06:45:11" (3/3) ... [2021-01-20 18:45:11,264 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2021-01-20 18:45:11,281 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 18:45:11,281 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 18:45:11,285 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-20 18:45:11,286 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 18:45:11,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,314 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,316 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:45:11,321 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 18:45:11,334 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-20 18:45:11,357 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 18:45:11,357 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 18:45:11,357 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 18:45:11,357 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 18:45:11,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 18:45:11,358 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 18:45:11,358 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 18:45:11,358 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 18:45:11,369 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 52 transitions, 109 flow [2021-01-20 18:45:11,401 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 212 states, 210 states have (on average 1.8428571428571427) internal successors, (387), 211 states have internal predecessors, (387), 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 18:45:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 210 states have (on average 1.8428571428571427) internal successors, (387), 211 states have internal predecessors, (387), 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 18:45:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-20 18:45:11,416 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:45:11,417 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] [2021-01-20 18:45:11,417 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:45:11,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:45:11,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1200421411, now seen corresponding path program 1 times [2021-01-20 18:45:11,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:45:11,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125914552] [2021-01-20 18:45:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:45:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:45:11,699 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 18:45:11,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125914552] [2021-01-20 18:45:11,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:45:11,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 18:45:11,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377580929] [2021-01-20 18:45:11,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 18:45:11,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:45:11,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 18:45:11,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 18:45:11,726 INFO L87 Difference]: Start difference. First operand has 212 states, 210 states have (on average 1.8428571428571427) internal successors, (387), 211 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 18:45:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:45:11,863 INFO L93 Difference]: Finished difference Result 250 states and 431 transitions. [2021-01-20 18:45:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-20 18:45:11,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 30 [2021-01-20 18:45:11,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:45:11,868 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-20 18:45:11,868 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 431 transitions. Word has length 30 [2021-01-20 18:45:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:45:11,870 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 431 transitions. [2021-01-20 18:45:11,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 18:45:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 431 transitions. [2021-01-20 18:45:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-20 18:45:11,874 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:45:11,874 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] [2021-01-20 18:45:11,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 18:45:11,874 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:45:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:45:11,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1744671784, now seen corresponding path program 1 times [2021-01-20 18:45:11,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:45:11,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919148922] [2021-01-20 18:45:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:45:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:45:11,967 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 18:45:11,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919148922] [2021-01-20 18:45:11,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:45:11,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 18:45:11,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537986517] [2021-01-20 18:45:11,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 18:45:11,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:45:11,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 18:45:11,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 18:45:11,971 INFO L87 Difference]: Start difference. First operand 250 states and 431 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 18:45:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:45:11,990 INFO L93 Difference]: Finished difference Result 250 states and 429 transitions. [2021-01-20 18:45:11,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 18:45:11,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-01-20 18:45:11,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:45:11,993 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 18:45:11,993 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 429 transitions. Word has length 33 [2021-01-20 18:45:11,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:45:11,993 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 429 transitions. [2021-01-20 18:45:11,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 18:45:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 429 transitions. [2021-01-20 18:45:11,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-20 18:45:11,996 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:45:11,997 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] [2021-01-20 18:45:11,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 18:45:11,997 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:45:11,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:45:11,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1530836026, now seen corresponding path program 2 times [2021-01-20 18:45:11,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:45:11,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209949515] [2021-01-20 18:45:11,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:45:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:45:12,116 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 18:45:12,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209949515] [2021-01-20 18:45:12,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:45:12,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 18:45:12,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110659911] [2021-01-20 18:45:12,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 18:45:12,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:45:12,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 18:45:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 18:45:12,120 INFO L87 Difference]: Start difference. First operand 250 states and 429 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 18:45:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:45:12,138 INFO L93 Difference]: Finished difference Result 183 states and 300 transitions. [2021-01-20 18:45:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 18:45:12,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-01-20 18:45:12,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:45:12,140 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 18:45:12,140 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 300 transitions. Word has length 33 [2021-01-20 18:45:12,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:45:12,141 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 300 transitions. [2021-01-20 18:45:12,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 18:45:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 300 transitions. [2021-01-20 18:45:12,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-20 18:45:12,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 18:45:12,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 06:45:12 BasicIcfg [2021-01-20 18:45:12,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 18:45:12,154 INFO L168 Benchmark]: Toolchain (without parser) took 2336.35 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 188.2 MB in the end (delta: 86.9 MB). Peak memory consumption was 88.8 MB. Max. memory is 16.0 GB. [2021-01-20 18:45:12,155 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 273.0 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 18:45:12,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.37 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 276.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:45:12,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.31 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 274.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 18:45:12,158 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 273.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:45:12,159 INFO L168 Benchmark]: RCFGBuilder took 628.83 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 242.7 MB in the end (delta: 30.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-20 18:45:12,160 INFO L168 Benchmark]: TraceAbstraction took 894.27 ms. Allocated memory is still 302.0 MB. Free memory was 242.7 MB in the beginning and 188.2 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.0 GB. [2021-01-20 18:45:12,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 273.0 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 725.37 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 276.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.31 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 274.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 273.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 628.83 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 242.7 MB in the end (delta: 30.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 894.27 ms. Allocated memory is still 302.0 MB. Free memory was 242.7 MB in the beginning and 188.2 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 185 SDtfs, 127 SDslu, 299 SDs, 0 SdLazy, 57 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 4433 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...