/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-ext/17_szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 15:49:23,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 15:49:23,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 15:49:23,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 15:49:23,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 15:49:23,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 15:49:23,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 15:49:23,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 15:49:23,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 15:49:23,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 15:49:23,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 15:49:23,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 15:49:23,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 15:49:23,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 15:49:23,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 15:49:23,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 15:49:23,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 15:49:23,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 15:49:23,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 15:49:23,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 15:49:23,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 15:49:23,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 15:49:23,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 15:49:23,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 15:49:23,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-11 15:49:23,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 15:49:23,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 15:49:23,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 15:49:23,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 15:49:23,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 15:49:23,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 15:49:23,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 15:49:23,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 15:49:23,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 15:49:23,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 15:49:23,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 15:49:23,195 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 [2020-11-11 15:49:23,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 15:49:23,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 15:49:23,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 15:49:23,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 15:49:23,226 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 15:49:23,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 15:49:23,227 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 15:49:23,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 15:49:23,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 15:49:23,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 15:49:23,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 15:49:23,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 15:49:23,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 15:49:23,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 15:49:23,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 15:49:23,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 15:49:23,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 15:49:23,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 15:49:23,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 15:49:23,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 15:49:23,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 15:49:23,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 15:49:23,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 15:49:23,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 15:49:23,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 15:49:23,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 15:49:23,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 15:49:23,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-11 15:49:23,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 15:49:23,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 15:49:23,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 15:49:23,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 15:49:23,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 15:49:23,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 15:49:23,743 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 15:49:23,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i [2020-11-11 15:49:23,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8871131b0/e225a91d7a3d4e6f902deea523b9da4a/FLAGaebea0dfe [2020-11-11 15:49:24,624 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 15:49:24,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/17_szymanski.i [2020-11-11 15:49:24,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8871131b0/e225a91d7a3d4e6f902deea523b9da4a/FLAGaebea0dfe [2020-11-11 15:49:24,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8871131b0/e225a91d7a3d4e6f902deea523b9da4a [2020-11-11 15:49:24,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 15:49:24,900 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 15:49:24,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 15:49:24,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 15:49:24,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 15:49:24,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 03:49:24" (1/1) ... [2020-11-11 15:49:24,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7aacb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:24, skipping insertion in model container [2020-11-11 15:49:24,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 03:49:24" (1/1) ... [2020-11-11 15:49:24,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 15:49:24,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 15:49:25,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 15:49:25,381 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 15:49:25,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 15:49:25,545 INFO L208 MainTranslator]: Completed translation [2020-11-11 15:49:25,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25 WrapperNode [2020-11-11 15:49:25,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 15:49:25,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 15:49:25,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 15:49:25,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 15:49:25,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 15:49:25,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 15:49:25,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 15:49:25,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 15:49:25,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... [2020-11-11 15:49:25,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 15:49:25,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 15:49:25,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 15:49:25,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 15:49:25,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 15:49:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-11 15:49:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-11 15:49:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 15:49:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 15:49:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 15:49:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 15:49:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 15:49:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 15:49:25,773 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 15:49:26,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 15:49:26,335 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-11 15:49:26,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 03:49:26 BoogieIcfgContainer [2020-11-11 15:49:26,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 15:49:26,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 15:49:26,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 15:49:26,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 15:49:26,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 03:49:24" (1/3) ... [2020-11-11 15:49:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d598150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 03:49:26, skipping insertion in model container [2020-11-11 15:49:26,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:49:25" (2/3) ... [2020-11-11 15:49:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d598150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 03:49:26, skipping insertion in model container [2020-11-11 15:49:26,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 03:49:26" (3/3) ... [2020-11-11 15:49:26,346 INFO L111 eAbstractionObserver]: Analyzing ICFG 17_szymanski.i [2020-11-11 15:49:26,364 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 15:49:26,364 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 15:49:26,368 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-11 15:49:26,369 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 15:49:26,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,405 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 15:49:26,421 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-11 15:49:26,435 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-11 15:49:26,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 15:49:26,461 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 15:49:26,461 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 15:49:26,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 15:49:26,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 15:49:26,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 15:49:26,462 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 15:49:26,462 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 15:49:26,475 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 96 transitions, 197 flow [2020-11-11 15:49:26,538 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 774 states, 770 states have (on average 2.8636363636363638) internal successors, (2205), 773 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 774 states, 770 states have (on average 2.8636363636363638) internal successors, (2205), 773 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-11 15:49:26,559 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 15:49:26,560 INFO L494 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] [2020-11-11 15:49:26,561 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 15:49:26,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 15:49:26,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1965527308, now seen corresponding path program 1 times [2020-11-11 15:49:26,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 15:49:26,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198401023] [2020-11-11 15:49:26,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 15:49:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 15:49:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 15:49:26,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198401023] [2020-11-11 15:49:26,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 15:49:26,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 15:49:26,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008414121] [2020-11-11 15:49:26,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-11 15:49:26,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 15:49:26,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-11 15:49:26,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-11 15:49:26,811 INFO L87 Difference]: Start difference. First operand has 774 states, 770 states have (on average 2.8636363636363638) internal successors, (2205), 773 states have internal predecessors, (2205), 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 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 15:49:26,843 INFO L93 Difference]: Finished difference Result 411 states and 1007 transitions. [2020-11-11 15:49:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-11 15:49:26,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2020-11-11 15:49:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 15:49:26,864 INFO L225 Difference]: With dead ends: 411 [2020-11-11 15:49:26,864 INFO L226 Difference]: Without dead ends: 411 [2020-11-11 15:49:26,866 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-11 15:49:26,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-11-11 15:49:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2020-11-11 15:49:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 2.4560975609756097) internal successors, (1007), 410 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 1007 transitions. [2020-11-11 15:49:26,978 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 1007 transitions. Word has length 28 [2020-11-11 15:49:26,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 15:49:26,979 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 1007 transitions. [2020-11-11 15:49:26,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1007 transitions. [2020-11-11 15:49:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-11 15:49:26,984 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 15:49:26,984 INFO L494 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] [2020-11-11 15:49:26,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 15:49:26,987 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 15:49:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 15:49:26,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1797642954, now seen corresponding path program 1 times [2020-11-11 15:49:26,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 15:49:26,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010123180] [2020-11-11 15:49:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 15:49:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 15:49:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 15:49:27,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010123180] [2020-11-11 15:49:27,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 15:49:27,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 15:49:27,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365078393] [2020-11-11 15:49:27,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 15:49:27,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 15:49:27,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 15:49:27,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,113 INFO L87 Difference]: Start difference. First operand 411 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 15:49:27,158 INFO L93 Difference]: Finished difference Result 622 states and 1570 transitions. [2020-11-11 15:49:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 15:49:27,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2020-11-11 15:49:27,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 15:49:27,166 INFO L225 Difference]: With dead ends: 622 [2020-11-11 15:49:27,166 INFO L226 Difference]: Without dead ends: 622 [2020-11-11 15:49:27,167 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-11-11 15:49:27,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 420. [2020-11-11 15:49:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 2.467780429594272) internal successors, (1034), 419 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1034 transitions. [2020-11-11 15:49:27,199 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1034 transitions. Word has length 28 [2020-11-11 15:49:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 15:49:27,199 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1034 transitions. [2020-11-11 15:49:27,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1034 transitions. [2020-11-11 15:49:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-11 15:49:27,205 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 15:49:27,205 INFO L494 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] [2020-11-11 15:49:27,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 15:49:27,206 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 15:49:27,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 15:49:27,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1292248925, now seen corresponding path program 1 times [2020-11-11 15:49:27,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 15:49:27,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294520314] [2020-11-11 15:49:27,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 15:49:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 15:49:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 15:49:27,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294520314] [2020-11-11 15:49:27,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 15:49:27,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 15:49:27,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850879763] [2020-11-11 15:49:27,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 15:49:27,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 15:49:27,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 15:49:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,270 INFO L87 Difference]: Start difference. First operand 420 states and 1034 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 15:49:27,298 INFO L93 Difference]: Finished difference Result 550 states and 1393 transitions. [2020-11-11 15:49:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 15:49:27,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2020-11-11 15:49:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 15:49:27,304 INFO L225 Difference]: With dead ends: 550 [2020-11-11 15:49:27,304 INFO L226 Difference]: Without dead ends: 550 [2020-11-11 15:49:27,305 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-11-11 15:49:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 396. [2020-11-11 15:49:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 396 states have (on average 2.426767676767677) internal successors, (961), 395 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 961 transitions. [2020-11-11 15:49:27,324 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 961 transitions. Word has length 32 [2020-11-11 15:49:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 15:49:27,325 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 961 transitions. [2020-11-11 15:49:27,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 961 transitions. [2020-11-11 15:49:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-11 15:49:27,328 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 15:49:27,328 INFO L494 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] [2020-11-11 15:49:27,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 15:49:27,329 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 15:49:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 15:49:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1543968972, now seen corresponding path program 1 times [2020-11-11 15:49:27,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 15:49:27,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110173618] [2020-11-11 15:49:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 15:49:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 15:49:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 15:49:27,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110173618] [2020-11-11 15:49:27,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 15:49:27,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 15:49:27,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762853134] [2020-11-11 15:49:27,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 15:49:27,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 15:49:27,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 15:49:27,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,392 INFO L87 Difference]: Start difference. First operand 396 states and 961 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 15:49:27,474 INFO L93 Difference]: Finished difference Result 402 states and 946 transitions. [2020-11-11 15:49:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 15:49:27,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2020-11-11 15:49:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 15:49:27,478 INFO L225 Difference]: With dead ends: 402 [2020-11-11 15:49:27,479 INFO L226 Difference]: Without dead ends: 402 [2020-11-11 15:49:27,479 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-11-11 15:49:27,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 395. [2020-11-11 15:49:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 395 states have (on average 2.359493670886076) internal successors, (932), 394 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 932 transitions. [2020-11-11 15:49:27,495 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 932 transitions. Word has length 41 [2020-11-11 15:49:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 15:49:27,496 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 932 transitions. [2020-11-11 15:49:27,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 932 transitions. [2020-11-11 15:49:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-11 15:49:27,498 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 15:49:27,498 INFO L494 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] [2020-11-11 15:49:27,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 15:49:27,499 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 15:49:27,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 15:49:27,500 INFO L82 PathProgramCache]: Analyzing trace with hash 24608808, now seen corresponding path program 1 times [2020-11-11 15:49:27,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 15:49:27,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990049854] [2020-11-11 15:49:27,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 15:49:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 15:49:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 15:49:27,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990049854] [2020-11-11 15:49:27,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 15:49:27,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 15:49:27,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554735064] [2020-11-11 15:49:27,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 15:49:27,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 15:49:27,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 15:49:27,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,556 INFO L87 Difference]: Start difference. First operand 395 states and 932 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 15:49:27,616 INFO L93 Difference]: Finished difference Result 395 states and 920 transitions. [2020-11-11 15:49:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 15:49:27,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2020-11-11 15:49:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 15:49:27,620 INFO L225 Difference]: With dead ends: 395 [2020-11-11 15:49:27,621 INFO L226 Difference]: Without dead ends: 395 [2020-11-11 15:49:27,621 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-11-11 15:49:27,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2020-11-11 15:49:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 395 states have (on average 2.329113924050633) internal successors, (920), 394 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 920 transitions. [2020-11-11 15:49:27,637 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 920 transitions. Word has length 41 [2020-11-11 15:49:27,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 15:49:27,638 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 920 transitions. [2020-11-11 15:49:27,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 920 transitions. [2020-11-11 15:49:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-11 15:49:27,640 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 15:49:27,640 INFO L494 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] [2020-11-11 15:49:27,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-11 15:49:27,640 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 15:49:27,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 15:49:27,641 INFO L82 PathProgramCache]: Analyzing trace with hash -297439550, now seen corresponding path program 2 times [2020-11-11 15:49:27,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 15:49:27,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457374746] [2020-11-11 15:49:27,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 15:49:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 15:49:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 15:49:27,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457374746] [2020-11-11 15:49:27,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 15:49:27,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 15:49:27,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230654785] [2020-11-11 15:49:27,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 15:49:27,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 15:49:27,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 15:49:27,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,693 INFO L87 Difference]: Start difference. First operand 395 states and 920 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 15:49:27,746 INFO L93 Difference]: Finished difference Result 306 states and 704 transitions. [2020-11-11 15:49:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 15:49:27,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2020-11-11 15:49:27,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 15:49:27,748 INFO L225 Difference]: With dead ends: 306 [2020-11-11 15:49:27,748 INFO L226 Difference]: Without dead ends: 0 [2020-11-11 15:49:27,748 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 15:49:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-11 15:49:27,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-11 15:49:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-11 15:49:27,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-11-11 15:49:27,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 15:49:27,750 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-11 15:49:27,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 15:49:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-11 15:49:27,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-11 15:49:27,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-11 15:49:27,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 03:49:27 BasicIcfg [2020-11-11 15:49:27,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 15:49:27,759 INFO L168 Benchmark]: Toolchain (without parser) took 2863.38 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 143.0 MB in the end (delta: 133.5 MB). Peak memory consumption was 134.7 MB. Max. memory is 16.0 GB. [2020-11-11 15:49:27,760 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 15:49:27,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.17 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 279.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.0 GB. [2020-11-11 15:49:27,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.09 ms. Allocated memory is still 302.0 MB. Free memory was 279.3 MB in the beginning and 277.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 15:49:27,762 INFO L168 Benchmark]: Boogie Preprocessor took 40.35 ms. Allocated memory is still 302.0 MB. Free memory was 277.2 MB in the beginning and 276.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 15:49:27,763 INFO L168 Benchmark]: RCFGBuilder took 651.74 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 252.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-11 15:49:27,764 INFO L168 Benchmark]: TraceAbstraction took 1417.61 ms. Allocated memory is still 302.0 MB. Free memory was 251.0 MB in the beginning and 143.0 MB in the end (delta: 108.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.0 GB. [2020-11-11 15:49:27,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 643.17 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 279.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 96.09 ms. Allocated memory is still 302.0 MB. Free memory was 279.3 MB in the beginning and 277.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.35 ms. Allocated memory is still 302.0 MB. Free memory was 277.2 MB in the beginning and 276.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 651.74 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 252.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1417.61 ms. Allocated memory is still 302.0 MB. Free memory was 251.0 MB in the beginning and 143.0 MB in the end (delta: 108.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: 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 2 procedures, 71 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 484 SDtfs, 164 SDslu, 222 SDs, 0 SdLazy, 76 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=774occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 363 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 9175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...