/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 15:53:19,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 15:53:19,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 15:53:19,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 15:53:19,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 15:53:19,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 15:53:19,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 15:53:19,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 15:53:19,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 15:53:19,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 15:53:19,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 15:53:19,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 15:53:19,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 15:53:19,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 15:53:19,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 15:53:19,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 15:53:19,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 15:53:19,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 15:53:19,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 15:53:19,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 15:53:19,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 15:53:19,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 15:53:19,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 15:53:19,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 15:53:19,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-11 15:53:19,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 15:53:19,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 15:53:19,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 15:53:19,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 15:53:19,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 15:53:19,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 15:53:19,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 15:53:19,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 15:53:19,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 15:53:19,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 15:53:19,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 15:53:19,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-11 15:53:19,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 15:53:19,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 15:53:19,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 15:53:19,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 15:53:19,400 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 15:53:19,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 15:53:19,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 15:53:19,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 15:53:19,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 15:53:19,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 15:53:19,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 15:53:19,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 15:53:19,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 15:53:19,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 15:53:19,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 15:53:19,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 15:53:19,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 15:53:19,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 15:53:19,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 15:53:19,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 15:53:19,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 15:53:19,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 15:53:19,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 15:53:19,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-11 15:53:19,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 15:53:19,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 15:53:19,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 15:53:19,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 15:53:19,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-11 15:53:19,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-11 15:53:19,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 15:53:19,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 15:53:19,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 15:53:19,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 15:53:19,871 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 15:53:19,873 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-09-11 15:53:19,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3572dfdc4/c273edea77954094a7730cd2e0de4ea6/FLAG60febff73 [2020-09-11 15:53:20,578 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 15:53:20,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-09-11 15:53:20,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3572dfdc4/c273edea77954094a7730cd2e0de4ea6/FLAG60febff73 [2020-09-11 15:53:20,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3572dfdc4/c273edea77954094a7730cd2e0de4ea6 [2020-09-11 15:53:20,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 15:53:20,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 15:53:20,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 15:53:20,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 15:53:20,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 15:53:20,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 03:53:20" (1/1) ... [2020-09-11 15:53:20,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42178c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:20, skipping insertion in model container [2020-09-11 15:53:20,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 03:53:20" (1/1) ... [2020-09-11 15:53:20,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 15:53:20,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 15:53:21,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 15:53:21,535 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 15:53:21,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 15:53:21,685 INFO L208 MainTranslator]: Completed translation [2020-09-11 15:53:21,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21 WrapperNode [2020-09-11 15:53:21,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 15:53:21,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 15:53:21,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 15:53:21,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 15:53:21,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 15:53:21,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 15:53:21,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 15:53:21,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 15:53:21,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... [2020-09-11 15:53:21,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 15:53:21,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 15:53:21,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 15:53:21,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 15:53:21,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-11 15:53:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 15:53:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-11 15:53:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 15:53:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 15:53:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-11 15:53:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-11 15:53:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-11 15:53:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-11 15:53:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-09-11 15:53:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-09-11 15:53:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-11 15:53:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 15:53:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 15:53:21,900 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 15:53:22,309 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 15:53:22,310 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-11 15:53:22,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 03:53:22 BoogieIcfgContainer [2020-09-11 15:53:22,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 15:53:22,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 15:53:22,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 15:53:22,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 15:53:22,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 03:53:20" (1/3) ... [2020-09-11 15:53:22,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3428a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 03:53:22, skipping insertion in model container [2020-09-11 15:53:22,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:53:21" (2/3) ... [2020-09-11 15:53:22,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3428a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 03:53:22, skipping insertion in model container [2020-09-11 15:53:22,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 03:53:22" (3/3) ... [2020-09-11 15:53:22,326 INFO L109 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc.i [2020-09-11 15:53:22,338 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 15:53:22,338 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-11 15:53:22,349 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-11 15:53:22,351 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 15:53:22,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,392 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,394 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,394 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,402 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,418 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,423 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,423 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:53:22,457 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-11 15:53:22,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 15:53:22,486 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 15:53:22,486 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 15:53:22,486 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 15:53:22,486 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 15:53:22,487 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 15:53:22,487 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 15:53:22,487 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 15:53:22,504 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-09-11 15:53:22,507 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-09-11 15:53:22,559 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-09-11 15:53:22,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 15:53:22,566 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-11 15:53:22,569 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-09-11 15:53:22,590 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-09-11 15:53:22,590 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 15:53:22,591 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-11 15:53:22,593 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-09-11 15:53:22,595 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 15:53:24,343 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2732 [2020-09-11 15:53:24,344 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2020-09-11 15:53:24,349 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-09-11 15:53:24,396 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-09-11 15:53:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-09-11 15:53:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-11 15:53:24,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:24,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:24,415 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:24,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:24,424 INFO L82 PathProgramCache]: Analyzing trace with hash 760003701, now seen corresponding path program 1 times [2020-09-11 15:53:24,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:24,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75434484] [2020-09-11 15:53:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:24,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75434484] [2020-09-11 15:53:24,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:24,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 15:53:24,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301334903] [2020-09-11 15:53:24,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 15:53:24,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:24,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 15:53:24,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:53:24,782 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-09-11 15:53:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:24,855 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-09-11 15:53:24,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 15:53:24,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-11 15:53:24,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:24,877 INFO L225 Difference]: With dead ends: 290 [2020-09-11 15:53:24,877 INFO L226 Difference]: Without dead ends: 226 [2020-09-11 15:53:24,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:53:24,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-11 15:53:24,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-09-11 15:53:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-11 15:53:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-09-11 15:53:24,957 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-09-11 15:53:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:24,961 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-09-11 15:53:24,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 15:53:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-09-11 15:53:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-11 15:53:24,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:24,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:24,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 15:53:24,966 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:24,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:24,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2069729619, now seen corresponding path program 1 times [2020-09-11 15:53:24,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:24,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598263432] [2020-09-11 15:53:24,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:25,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598263432] [2020-09-11 15:53:25,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:25,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 15:53:25,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690392322] [2020-09-11 15:53:25,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:53:25,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:25,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:53:25,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:53:25,101 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 4 states. [2020-09-11 15:53:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:25,147 INFO L93 Difference]: Finished difference Result 242 states and 605 transitions. [2020-09-11 15:53:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-11 15:53:25,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-09-11 15:53:25,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:25,150 INFO L225 Difference]: With dead ends: 242 [2020-09-11 15:53:25,150 INFO L226 Difference]: Without dead ends: 178 [2020-09-11 15:53:25,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:53:25,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-11 15:53:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-09-11 15:53:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-11 15:53:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 434 transitions. [2020-09-11 15:53:25,179 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 434 transitions. Word has length 9 [2020-09-11 15:53:25,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:25,180 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 434 transitions. [2020-09-11 15:53:25,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:53:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 434 transitions. [2020-09-11 15:53:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-11 15:53:25,185 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:25,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:25,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 15:53:25,185 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:25,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:25,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1183022512, now seen corresponding path program 1 times [2020-09-11 15:53:25,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:25,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378267847] [2020-09-11 15:53:25,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:25,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378267847] [2020-09-11 15:53:25,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:25,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 15:53:25,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043822560] [2020-09-11 15:53:25,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 15:53:25,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:25,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 15:53:25,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:53:25,321 INFO L87 Difference]: Start difference. First operand 178 states and 434 transitions. Second operand 5 states. [2020-09-11 15:53:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:25,379 INFO L93 Difference]: Finished difference Result 163 states and 368 transitions. [2020-09-11 15:53:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 15:53:25,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-11 15:53:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:25,382 INFO L225 Difference]: With dead ends: 163 [2020-09-11 15:53:25,382 INFO L226 Difference]: Without dead ends: 126 [2020-09-11 15:53:25,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-11 15:53:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-11 15:53:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-09-11 15:53:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-11 15:53:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 278 transitions. [2020-09-11 15:53:25,392 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 278 transitions. Word has length 11 [2020-09-11 15:53:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:25,392 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 278 transitions. [2020-09-11 15:53:25,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 15:53:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2020-09-11 15:53:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 15:53:25,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:25,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:25,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 15:53:25,395 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:25,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:25,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1548024821, now seen corresponding path program 1 times [2020-09-11 15:53:25,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:25,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439394715] [2020-09-11 15:53:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:25,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439394715] [2020-09-11 15:53:25,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:25,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-11 15:53:25,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239534422] [2020-09-11 15:53:25,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-11 15:53:25,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:25,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-11 15:53:25,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-11 15:53:25,485 INFO L87 Difference]: Start difference. First operand 126 states and 278 transitions. Second operand 6 states. [2020-09-11 15:53:25,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:25,570 INFO L93 Difference]: Finished difference Result 118 states and 260 transitions. [2020-09-11 15:53:25,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-11 15:53:25,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-09-11 15:53:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:25,572 INFO L225 Difference]: With dead ends: 118 [2020-09-11 15:53:25,572 INFO L226 Difference]: Without dead ends: 108 [2020-09-11 15:53:25,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-11 15:53:25,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-11 15:53:25,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-09-11 15:53:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-11 15:53:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 242 transitions. [2020-09-11 15:53:25,580 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 242 transitions. Word has length 14 [2020-09-11 15:53:25,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:25,580 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 242 transitions. [2020-09-11 15:53:25,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-11 15:53:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 242 transitions. [2020-09-11 15:53:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 15:53:25,582 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:25,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:25,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 15:53:25,582 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:25,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:25,583 INFO L82 PathProgramCache]: Analyzing trace with hash 2137678742, now seen corresponding path program 1 times [2020-09-11 15:53:25,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:25,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897269254] [2020-09-11 15:53:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:25,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897269254] [2020-09-11 15:53:25,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:25,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 15:53:25,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646072758] [2020-09-11 15:53:25,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 15:53:25,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:25,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 15:53:25,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:53:25,638 INFO L87 Difference]: Start difference. First operand 108 states and 242 transitions. Second operand 3 states. [2020-09-11 15:53:25,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:25,647 INFO L93 Difference]: Finished difference Result 133 states and 289 transitions. [2020-09-11 15:53:25,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 15:53:25,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 15:53:25,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:25,649 INFO L225 Difference]: With dead ends: 133 [2020-09-11 15:53:25,649 INFO L226 Difference]: Without dead ends: 54 [2020-09-11 15:53:25,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:53:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-11 15:53:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-09-11 15:53:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-11 15:53:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 98 transitions. [2020-09-11 15:53:25,653 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 98 transitions. Word has length 17 [2020-09-11 15:53:25,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:25,654 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 98 transitions. [2020-09-11 15:53:25,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 15:53:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-09-11 15:53:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 15:53:25,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:25,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:25,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-11 15:53:25,655 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:25,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:25,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1164645812, now seen corresponding path program 2 times [2020-09-11 15:53:25,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:25,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933300423] [2020-09-11 15:53:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:25,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933300423] [2020-09-11 15:53:25,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:25,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 15:53:25,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900473132] [2020-09-11 15:53:25,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:53:25,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:25,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:53:25,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:53:25,721 INFO L87 Difference]: Start difference. First operand 54 states and 98 transitions. Second operand 4 states. [2020-09-11 15:53:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:25,738 INFO L93 Difference]: Finished difference Result 67 states and 119 transitions. [2020-09-11 15:53:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 15:53:25,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-09-11 15:53:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:25,739 INFO L225 Difference]: With dead ends: 67 [2020-09-11 15:53:25,739 INFO L226 Difference]: Without dead ends: 30 [2020-09-11 15:53:25,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:53:25,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-11 15:53:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-11 15:53:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-11 15:53:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-09-11 15:53:25,742 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2020-09-11 15:53:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:25,742 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-09-11 15:53:25,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:53:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-09-11 15:53:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 15:53:25,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:53:25,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:53:25,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-11 15:53:25,743 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:53:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:53:25,744 INFO L82 PathProgramCache]: Analyzing trace with hash 2098338434, now seen corresponding path program 3 times [2020-09-11 15:53:25,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:53:25,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666692749] [2020-09-11 15:53:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:53:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:53:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:53:25,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666692749] [2020-09-11 15:53:25,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:53:25,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 15:53:25,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892452022] [2020-09-11 15:53:25,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:53:25,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:53:25,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:53:25,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:53:25,817 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 4 states. [2020-09-11 15:53:25,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:53:25,834 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-09-11 15:53:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 15:53:25,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-09-11 15:53:25,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:53:25,834 INFO L225 Difference]: With dead ends: 29 [2020-09-11 15:53:25,835 INFO L226 Difference]: Without dead ends: 0 [2020-09-11 15:53:25,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:53:25,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-11 15:53:25,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-11 15:53:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-11 15:53:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-11 15:53:25,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-09-11 15:53:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:53:25,837 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-11 15:53:25,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:53:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-11 15:53:25,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-11 15:53:25,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-11 15:53:25,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 03:53:25 BasicIcfg [2020-09-11 15:53:25,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 15:53:25,846 INFO L168 Benchmark]: Toolchain (without parser) took 4975.65 ms. Allocated memory was 140.0 MB in the beginning and 248.0 MB in the end (delta: 108.0 MB). Free memory was 101.7 MB in the beginning and 177.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2020-09-11 15:53:25,847 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 140.0 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 15:53:25,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.33 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 161.4 MB in the end (delta: -60.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-09-11 15:53:25,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.33 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 158.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-11 15:53:25,850 INFO L168 Benchmark]: Boogie Preprocessor took 31.04 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 157.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-11 15:53:25,851 INFO L168 Benchmark]: RCFGBuilder took 513.27 ms. Allocated memory is still 203.4 MB. Free memory was 157.4 MB in the beginning and 135.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-09-11 15:53:25,852 INFO L168 Benchmark]: TraceAbstraction took 3525.90 ms. Allocated memory was 203.4 MB in the beginning and 248.0 MB in the end (delta: 44.6 MB). Free memory was 135.1 MB in the beginning and 177.5 MB in the end (delta: -42.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-09-11 15:53:25,856 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 140.0 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.33 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 161.4 MB in the end (delta: -60.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.33 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 158.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.04 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 157.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 513.27 ms. Allocated memory is still 203.4 MB. Free memory was 157.4 MB in the beginning and 135.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3525.90 ms. Allocated memory was 203.4 MB in the beginning and 248.0 MB in the end (delta: 44.6 MB). Free memory was 135.1 MB in the beginning and 177.5 MB in the end (delta: -42.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 685 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 32 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 2732 CheckedPairsTotal, 60 TotalNumberOfCompositions - PositiveResult [Line: 7]: 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 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 141 SDtfs, 114 SDslu, 191 SDs, 0 SdLazy, 96 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 2838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...