/usr/bin/java -Xmx8000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 13:07:36,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 13:07:36,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 13:07:36,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 13:07:36,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 13:07:36,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 13:07:36,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 13:07:36,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 13:07:36,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 13:07:36,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 13:07:36,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 13:07:36,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 13:07:36,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 13:07:36,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 13:07:36,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 13:07:36,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 13:07:36,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 13:07:36,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 13:07:36,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 13:07:36,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 13:07:36,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 13:07:36,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 13:07:36,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 13:07:36,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 13:07:36,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 13:07:36,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 13:07:36,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 13:07:36,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 13:07:36,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 13:07:36,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 13:07:36,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 13:07:36,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 13:07:36,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 13:07:36,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 13:07:36,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 13:07:36,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 13:07:36,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 13:07:36,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 13:07:36,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 13:07:36,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 13:07:36,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 13:07:36,382 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 13:07:36,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 13:07:36,383 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 13:07:36,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 13:07:36,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 13:07:36,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 13:07:36,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 13:07:36,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 13:07:36,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 13:07:36,386 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 13:07:36,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 13:07:36,386 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 13:07:36,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 13:07:36,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 13:07:36,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 13:07:36,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 13:07:36,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 13:07:36,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 13:07:36,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 13:07:36,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 13:07:36,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 13:07:36,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 13:07:36,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 13:07:36,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 13:07:36,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 13:07:36,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 13:07:36,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 13:07:36,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 13:07:36,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 13:07:36,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 13:07:36,866 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 13:07:36,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2020-11-09 13:07:36,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35726afe0/d49cfa59068f445e8bb1fc02d38e8b5a/FLAG421d714ac [2020-11-09 13:07:37,775 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 13:07:37,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2020-11-09 13:07:37,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35726afe0/d49cfa59068f445e8bb1fc02d38e8b5a/FLAG421d714ac [2020-11-09 13:07:37,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35726afe0/d49cfa59068f445e8bb1fc02d38e8b5a [2020-11-09 13:07:37,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 13:07:37,983 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 13:07:37,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 13:07:37,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 13:07:37,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 13:07:37,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:07:37" (1/1) ... [2020-11-09 13:07:37,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe13906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:37, skipping insertion in model container [2020-11-09 13:07:37,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:07:37" (1/1) ... [2020-11-09 13:07:38,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 13:07:38,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 13:07:38,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:07:38,647 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 13:07:38,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:07:38,885 INFO L208 MainTranslator]: Completed translation [2020-11-09 13:07:38,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38 WrapperNode [2020-11-09 13:07:38,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 13:07:38,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 13:07:38,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 13:07:38,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 13:07:38,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:38,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:38,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 13:07:38,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 13:07:38,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 13:07:38,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 13:07:38,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:38,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:38,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:38,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:39,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:39,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:39,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (1/1) ... [2020-11-09 13:07:39,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 13:07:39,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 13:07:39,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 13:07:39,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 13:07:39,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (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 [2020-11-09 13:07:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 13:07:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 13:07:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 13:07:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 13:07:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 13:07:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 13:07:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 13:07:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 13:07:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 13:07:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 13:07:39,112 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 13:07:39,663 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 13:07:39,664 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-09 13:07:39,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:07:39 BoogieIcfgContainer [2020-11-09 13:07:39,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 13:07:39,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 13:07:39,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 13:07:39,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 13:07:39,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:07:37" (1/3) ... [2020-11-09 13:07:39,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e487c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:07:39, skipping insertion in model container [2020-11-09 13:07:39,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:07:38" (2/3) ... [2020-11-09 13:07:39,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e487c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:07:39, skipping insertion in model container [2020-11-09 13:07:39,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:07:39" (3/3) ... [2020-11-09 13:07:39,676 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2020-11-09 13:07:39,693 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 13:07:39,694 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 13:07:39,698 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 13:07:39,699 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 13:07:39,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,758 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,758 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,761 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,762 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,765 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,781 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:39,800 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 13:07:39,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:07:39,854 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:07:39,855 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:07:39,855 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:07:39,855 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:07:39,855 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:07:39,855 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:07:39,855 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:07:39,856 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:07:39,878 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:07:39,881 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 122 transitions, 252 flow [2020-11-09 13:07:39,885 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 122 transitions, 252 flow [2020-11-09 13:07:39,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 122 transitions, 252 flow [2020-11-09 13:07:40,012 INFO L129 PetriNetUnfolder]: 25/166 cut-off events. [2020-11-09 13:07:40,012 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 13:07:40,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 166 events. 25/166 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 400 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 83. Up to 6 conditions per place. [2020-11-09 13:07:40,025 INFO L116 LiptonReduction]: Number of co-enabled transitions 2744 [2020-11-09 13:07:41,888 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-11-09 13:07:44,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:07:45,195 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-11-09 13:07:45,329 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 13:07:45,622 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-11-09 13:07:45,760 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 13:07:46,843 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2020-11-09 13:07:47,156 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-09 13:07:47,810 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2020-11-09 13:07:48,089 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-09 13:07:49,449 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 13:07:50,104 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:07:51,445 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 13:07:52,036 WARN L194 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:07:52,045 INFO L131 LiptonReduction]: Checked pairs total: 4598 [2020-11-09 13:07:52,045 INFO L133 LiptonReduction]: Total number of compositions: 117 [2020-11-09 13:07:52,053 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 34 transitions, 76 flow [2020-11-09 13:07:52,070 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 132 states. [2020-11-09 13:07:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-11-09 13:07:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:07:52,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:07:52,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:07:52,079 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:07:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:07:52,089 INFO L82 PathProgramCache]: Analyzing trace with hash 15041549, now seen corresponding path program 1 times [2020-11-09 13:07:52,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:07:52,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106513474] [2020-11-09 13:07:52,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:07:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:07:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:07:52,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106513474] [2020-11-09 13:07:52,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:07:52,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:07:52,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343801900] [2020-11-09 13:07:52,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:07:52,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:07:52,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:07:52,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:07:52,443 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2020-11-09 13:07:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:07:52,502 INFO L93 Difference]: Finished difference Result 127 states and 235 transitions. [2020-11-09 13:07:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:07:52,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:07:52,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:07:52,520 INFO L225 Difference]: With dead ends: 127 [2020-11-09 13:07:52,521 INFO L226 Difference]: Without dead ends: 73 [2020-11-09 13:07:52,528 INFO L677 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 [2020-11-09 13:07:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-09 13:07:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-09 13:07:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-09 13:07:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2020-11-09 13:07:52,586 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 4 [2020-11-09 13:07:52,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:07:52,586 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2020-11-09 13:07:52,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:07:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2020-11-09 13:07:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 13:07:52,587 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:07:52,587 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 13:07:52,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 13:07:52,588 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:07:52,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:07:52,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1486421591, now seen corresponding path program 1 times [2020-11-09 13:07:52,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:07:52,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150171146] [2020-11-09 13:07:52,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:07:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:07:52,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:07:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:07:52,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:07:52,757 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:07:52,757 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:07:52,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 13:07:52,758 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:07:52,759 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 13:07:52,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,768 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,768 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,769 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,769 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,774 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,775 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,775 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,775 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,781 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,781 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:07:52,792 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 13:07:52,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:07:52,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:07:52,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:07:52,794 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:07:52,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:07:52,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:07:52,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:07:52,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:07:52,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:07:52,808 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:07:52,808 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 152 transitions, 322 flow [2020-11-09 13:07:52,808 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 152 transitions, 322 flow [2020-11-09 13:07:52,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 152 transitions, 322 flow [2020-11-09 13:07:52,863 INFO L129 PetriNetUnfolder]: 43/263 cut-off events. [2020-11-09 13:07:52,863 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 13:07:52,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 263 events. 43/263 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 813 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 168. Up to 9 conditions per place. [2020-11-09 13:07:52,885 INFO L116 LiptonReduction]: Number of co-enabled transitions 7672 [2020-11-09 13:07:56,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:07:56,684 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:07:57,199 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 13:07:57,315 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 13:07:57,448 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 13:07:57,578 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 13:07:57,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:07:58,230 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:07:58,465 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-09 13:07:58,695 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:07:58,932 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-09 13:07:59,420 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 13:07:59,729 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 13:08:00,028 WARN L194 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 13:08:00,327 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 13:08:00,868 WARN L194 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-11-09 13:08:01,271 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-11-09 13:08:01,704 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-11-09 13:08:02,114 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-11-09 13:08:03,372 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 173 DAG size of output: 159 [2020-11-09 13:08:03,950 WARN L194 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:08:05,373 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 173 DAG size of output: 159 [2020-11-09 13:08:05,983 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:08:06,003 INFO L131 LiptonReduction]: Checked pairs total: 17874 [2020-11-09 13:08:06,003 INFO L133 LiptonReduction]: Total number of compositions: 137 [2020-11-09 13:08:06,006 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 56 transitions, 130 flow [2020-11-09 13:08:06,136 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2113 states. [2020-11-09 13:08:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states. [2020-11-09 13:08:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:08:06,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:06,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:08:06,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:06,138 INFO L82 PathProgramCache]: Analyzing trace with hash 24849715, now seen corresponding path program 1 times [2020-11-09 13:08:06,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:06,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047887089] [2020-11-09 13:08:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:06,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047887089] [2020-11-09 13:08:06,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:08:06,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:08:06,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542406991] [2020-11-09 13:08:06,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:08:06,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:08:06,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:08:06,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:08:06,182 INFO L87 Difference]: Start difference. First operand 2113 states. Second operand 3 states. [2020-11-09 13:08:06,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:08:06,251 INFO L93 Difference]: Finished difference Result 2108 states and 5774 transitions. [2020-11-09 13:08:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:08:06,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:08:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:08:06,270 INFO L225 Difference]: With dead ends: 2108 [2020-11-09 13:08:06,271 INFO L226 Difference]: Without dead ends: 1239 [2020-11-09 13:08:06,271 INFO L677 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 [2020-11-09 13:08:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-11-09 13:08:06,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-11-09 13:08:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-11-09 13:08:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-11-09 13:08:06,421 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-11-09 13:08:06,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:08:06,421 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-11-09 13:08:06,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:08:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-11-09 13:08:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 13:08:06,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:06,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:08:06,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 13:08:06,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:06,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:06,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1283448183, now seen corresponding path program 1 times [2020-11-09 13:08:06,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:06,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932606295] [2020-11-09 13:08:06,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:06,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932606295] [2020-11-09 13:08:06,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418158162] [2020-11-09 13:08:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:06,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:08:06,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:08:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-09 13:08:06,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:08:06,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 13:08:06,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190774338] [2020-11-09 13:08:06,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:08:06,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:08:06,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:08:06,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:06,648 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 3 states. [2020-11-09 13:08:06,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:08:06,727 INFO L93 Difference]: Finished difference Result 1209 states and 3199 transitions. [2020-11-09 13:08:06,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:08:06,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 13:08:06,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:08:06,739 INFO L225 Difference]: With dead ends: 1209 [2020-11-09 13:08:06,740 INFO L226 Difference]: Without dead ends: 1209 [2020-11-09 13:08:06,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2020-11-09 13:08:06,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2020-11-09 13:08:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-11-09 13:08:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 3199 transitions. [2020-11-09 13:08:06,842 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 3199 transitions. Word has length 8 [2020-11-09 13:08:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:08:06,842 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 3199 transitions. [2020-11-09 13:08:06,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:08:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3199 transitions. [2020-11-09 13:08:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 13:08:06,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:06,846 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 13:08:07,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:07,062 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:07,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:07,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1285052093, now seen corresponding path program 1 times [2020-11-09 13:08:07,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:07,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592129406] [2020-11-09 13:08:07,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:08:07,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:08:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:08:07,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:08:07,130 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:08:07,130 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:08:07,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 13:08:07,132 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:08:07,133 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 13:08:07,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,144 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,144 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,144 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,155 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,155 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,161 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,162 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,164 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,165 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:07,172 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 13:08:07,172 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:08:07,173 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:08:07,173 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:08:07,173 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:08:07,174 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:08:07,174 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:08:07,174 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:08:07,174 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:08:07,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:08:07,176 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:08:07,176 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 182 transitions, 394 flow [2020-11-09 13:08:07,177 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 182 transitions, 394 flow [2020-11-09 13:08:07,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 182 transitions, 394 flow [2020-11-09 13:08:07,256 INFO L129 PetriNetUnfolder]: 66/391 cut-off events. [2020-11-09 13:08:07,256 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 13:08:07,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 391 events. 66/391 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1369 event pairs, 1 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 271. Up to 16 conditions per place. [2020-11-09 13:08:07,284 INFO L116 LiptonReduction]: Number of co-enabled transitions 14112 [2020-11-09 13:08:12,135 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 13:08:12,247 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 13:08:12,381 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 13:08:12,517 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 13:08:12,836 WARN L194 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-11-09 13:08:13,079 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-09 13:08:13,341 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-11-09 13:08:13,564 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-09 13:08:13,690 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:13,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:13,711 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:13,722 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:16,263 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2020-11-09 13:08:16,687 WARN L194 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-11-09 13:08:17,524 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2020-11-09 13:08:17,874 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-11-09 13:08:19,502 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 13:08:20,192 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:08:21,630 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 13:08:22,349 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:08:22,415 INFO L131 LiptonReduction]: Checked pairs total: 30529 [2020-11-09 13:08:22,415 INFO L133 LiptonReduction]: Total number of compositions: 154 [2020-11-09 13:08:22,416 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 76 transitions, 182 flow [2020-11-09 13:08:25,327 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26221 states. [2020-11-09 13:08:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 26221 states. [2020-11-09 13:08:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:08:25,328 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:25,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:08:25,328 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:25,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:25,329 INFO L82 PathProgramCache]: Analyzing trace with hash 36085420, now seen corresponding path program 1 times [2020-11-09 13:08:25,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:25,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485679372] [2020-11-09 13:08:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:25,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485679372] [2020-11-09 13:08:25,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:08:25,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:08:25,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551091677] [2020-11-09 13:08:25,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:08:25,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:08:25,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:08:25,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:08:25,357 INFO L87 Difference]: Start difference. First operand 26221 states. Second operand 3 states. [2020-11-09 13:08:25,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:08:25,833 INFO L93 Difference]: Finished difference Result 26216 states and 94942 transitions. [2020-11-09 13:08:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:08:25,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:08:25,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:08:26,222 INFO L225 Difference]: With dead ends: 26216 [2020-11-09 13:08:26,223 INFO L226 Difference]: Without dead ends: 14919 [2020-11-09 13:08:26,227 INFO L677 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 [2020-11-09 13:08:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-11-09 13:08:27,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-11-09 13:08:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-11-09 13:08:27,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-11-09 13:08:27,318 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-11-09 13:08:27,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:08:27,318 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-11-09 13:08:27,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:08:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-11-09 13:08:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 13:08:27,320 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:27,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:08:27,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 13:08:27,320 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:27,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:27,321 INFO L82 PathProgramCache]: Analyzing trace with hash 799622211, now seen corresponding path program 1 times [2020-11-09 13:08:27,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:27,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582062696] [2020-11-09 13:08:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:27,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582062696] [2020-11-09 13:08:27,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41678686] [2020-11-09 13:08:27,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:27,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:08:27,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:08:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-09 13:08:27,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:08:27,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 13:08:27,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222961039] [2020-11-09 13:08:27,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:08:27,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:08:27,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:08:27,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:27,584 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 3 states. [2020-11-09 13:08:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:08:27,818 INFO L93 Difference]: Finished difference Result 14764 states and 52547 transitions. [2020-11-09 13:08:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:08:27,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 13:08:27,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:08:28,073 INFO L225 Difference]: With dead ends: 14764 [2020-11-09 13:08:28,074 INFO L226 Difference]: Without dead ends: 14764 [2020-11-09 13:08:28,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:28,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14764 states. [2020-11-09 13:08:28,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14764 to 14764. [2020-11-09 13:08:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14764 states. [2020-11-09 13:08:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14764 states to 14764 states and 52547 transitions. [2020-11-09 13:08:29,106 INFO L78 Accepts]: Start accepts. Automaton has 14764 states and 52547 transitions. Word has length 8 [2020-11-09 13:08:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:08:29,112 INFO L481 AbstractCegarLoop]: Abstraction has 14764 states and 52547 transitions. [2020-11-09 13:08:29,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:08:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 14764 states and 52547 transitions. [2020-11-09 13:08:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 13:08:29,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:29,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:08:29,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:29,340 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:29,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:29,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1313155781, now seen corresponding path program 1 times [2020-11-09 13:08:29,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:29,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444277380] [2020-11-09 13:08:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:29,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444277380] [2020-11-09 13:08:29,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658418591] [2020-11-09 13:08:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:29,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-09 13:08:29,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:08:29,556 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-09 13:08:29,556 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 13:08:29,564 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 13:08:29,565 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 13:08:29,565 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-11-09 13:08:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:29,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:08:29,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-09 13:08:29,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045666963] [2020-11-09 13:08:29,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:08:29,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:08:29,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:08:29,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:29,591 INFO L87 Difference]: Start difference. First operand 14764 states and 52547 transitions. Second operand 3 states. [2020-11-09 13:08:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:08:29,941 INFO L93 Difference]: Finished difference Result 12873 states and 40352 transitions. [2020-11-09 13:08:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:08:29,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-09 13:08:29,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:08:29,990 INFO L225 Difference]: With dead ends: 12873 [2020-11-09 13:08:29,990 INFO L226 Difference]: Without dead ends: 12867 [2020-11-09 13:08:29,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12867 states. [2020-11-09 13:08:30,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12867 to 11025. [2020-11-09 13:08:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11025 states. [2020-11-09 13:08:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 35262 transitions. [2020-11-09 13:08:30,616 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 35262 transitions. Word has length 13 [2020-11-09 13:08:30,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:08:30,617 INFO L481 AbstractCegarLoop]: Abstraction has 11025 states and 35262 transitions. [2020-11-09 13:08:30,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:08:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 35262 transitions. [2020-11-09 13:08:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 13:08:30,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:30,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:08:30,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:30,832 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:30,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:30,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1749679369, now seen corresponding path program 1 times [2020-11-09 13:08:30,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:30,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669319281] [2020-11-09 13:08:30,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:30,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669319281] [2020-11-09 13:08:30,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673608204] [2020-11-09 13:08:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:08:30,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:08:30,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:08:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:08:30,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 13:08:30,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-11-09 13:08:31,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234875888] [2020-11-09 13:08:31,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 13:08:31,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:08:31,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 13:08:31,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:31,001 INFO L87 Difference]: Start difference. First operand 11025 states and 35262 transitions. Second operand 5 states. [2020-11-09 13:08:31,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:08:31,244 INFO L93 Difference]: Finished difference Result 11007 states and 35229 transitions. [2020-11-09 13:08:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 13:08:31,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-11-09 13:08:31,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:08:31,295 INFO L225 Difference]: With dead ends: 11007 [2020-11-09 13:08:31,295 INFO L226 Difference]: Without dead ends: 11007 [2020-11-09 13:08:31,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:08:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11007 states. [2020-11-09 13:08:31,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11007 to 11007. [2020-11-09 13:08:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11007 states. [2020-11-09 13:08:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 35229 transitions. [2020-11-09 13:08:32,005 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 35229 transitions. Word has length 14 [2020-11-09 13:08:32,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:08:32,006 INFO L481 AbstractCegarLoop]: Abstraction has 11007 states and 35229 transitions. [2020-11-09 13:08:32,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 13:08:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 35229 transitions. [2020-11-09 13:08:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 13:08:32,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:08:32,007 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 13:08:32,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:08:32,221 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:08:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:08:32,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1941426334, now seen corresponding path program 1 times [2020-11-09 13:08:32,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:08:32,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250609447] [2020-11-09 13:08:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:08:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:08:32,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:08:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:08:32,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:08:32,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:08:32,270 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:08:32,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 13:08:32,271 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:08:32,271 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 13:08:32,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,309 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,309 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,312 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,313 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,315 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,315 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:08:32,322 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 13:08:32,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:08:32,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:08:32,323 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:08:32,323 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:08:32,323 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:08:32,324 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:08:32,324 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:08:32,324 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:08:32,324 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:08:32,326 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:08:32,327 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 212 transitions, 468 flow [2020-11-09 13:08:32,327 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 212 transitions, 468 flow [2020-11-09 13:08:32,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 212 transitions, 468 flow [2020-11-09 13:08:32,591 INFO L129 PetriNetUnfolder]: 101/583 cut-off events. [2020-11-09 13:08:32,591 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-11-09 13:08:32,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 583 events. 101/583 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2308 event pairs, 6 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 411. Up to 32 conditions per place. [2020-11-09 13:08:32,661 INFO L116 LiptonReduction]: Number of co-enabled transitions 22288 [2020-11-09 13:08:38,982 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-11-09 13:08:39,224 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-11-09 13:08:39,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:39,396 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:39,769 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-11-09 13:08:39,936 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 13:08:40,288 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-11-09 13:08:40,447 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 13:08:40,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:40,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:40,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:40,487 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:40,563 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:40,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:40,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:40,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:41,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:08:41,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:41,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:41,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:41,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:41,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 13:08:42,859 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2020-11-09 13:08:43,191 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-11-09 13:08:43,845 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2020-11-09 13:08:44,152 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-11-09 13:08:45,306 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-09 13:08:45,751 WARN L194 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:08:46,218 WARN L194 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-09 13:08:46,693 WARN L194 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:08:48,262 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 13:08:49,014 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:08:50,614 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 13:08:51,372 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:08:51,398 INFO L131 LiptonReduction]: Checked pairs total: 56567 [2020-11-09 13:08:51,398 INFO L133 LiptonReduction]: Total number of compositions: 175 [2020-11-09 13:08:51,398 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 95 transitions, 234 flow Received shutdown request... [2020-11-09 13:11:46,870 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 13:11:46,874 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 13:11:46,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:11:46 BasicIcfg [2020-11-09 13:11:46,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 13:11:46,876 INFO L168 Benchmark]: Toolchain (without parser) took 248899.29 ms. Allocated memory was 164.6 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 137.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 13:11:46,876 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 164.6 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 13:11:46,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.45 ms. Allocated memory is still 164.6 MB. Free memory was 137.2 MB in the beginning and 117.5 MB in the end (delta: 19.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. [2020-11-09 13:11:46,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.75 ms. Allocated memory is still 164.6 MB. Free memory was 117.5 MB in the beginning and 115.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:11:46,878 INFO L168 Benchmark]: Boogie Preprocessor took 67.14 ms. Allocated memory is still 164.6 MB. Free memory was 115.4 MB in the beginning and 113.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:11:46,878 INFO L168 Benchmark]: RCFGBuilder took 633.50 ms. Allocated memory is still 164.6 MB. Free memory was 113.3 MB in the beginning and 84.5 MB in the end (delta: 28.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-11-09 13:11:46,893 INFO L168 Benchmark]: TraceAbstraction took 247206.62 ms. Allocated memory was 164.6 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 84.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 13:11:46,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 164.6 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 899.45 ms. Allocated memory is still 164.6 MB. Free memory was 137.2 MB in the beginning and 117.5 MB in the end (delta: 19.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 76.75 ms. Allocated memory is still 164.6 MB. Free memory was 117.5 MB in the beginning and 115.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.14 ms. Allocated memory is still 164.6 MB. Free memory was 115.4 MB in the beginning and 113.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 633.50 ms. Allocated memory is still 164.6 MB. Free memory was 113.3 MB in the beginning and 84.5 MB in the end (delta: 28.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 247206.62 ms. Allocated memory was 164.6 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 84.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1747 VarBasedMoverChecksPositive, 110 VarBasedMoverChecksNegative, 79 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 126 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 12.1s, 109 PlacesBefore, 26 PlacesAfterwards, 122 TransitionsBefore, 34 TransitionsAfterwards, 2744 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 117 TotalNumberOfCompositions, 4598 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4756 VarBasedMoverChecksPositive, 357 VarBasedMoverChecksNegative, 305 SemBasedMoverChecksPositive, 52 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 477 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 13.1s, 134 PlacesBefore, 44 PlacesAfterwards, 152 TransitionsBefore, 56 TransitionsAfterwards, 7672 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 6 ChoiceCompositions, 137 TotalNumberOfCompositions, 17874 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8049 VarBasedMoverChecksPositive, 780 VarBasedMoverChecksNegative, 704 SemBasedMoverChecksPositive, 76 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 545 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 15.2s, 159 PlacesBefore, 58 PlacesAfterwards, 182 TransitionsBefore, 76 TransitionsAfterwards, 14112 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 82 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 5 ChoiceCompositions, 154 TotalNumberOfCompositions, 30529 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 13062 VarBasedMoverChecksPositive, 1523 VarBasedMoverChecksNegative, 1395 SemBasedMoverChecksPositive, 128 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 3.2s, 1822 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 19.0s, 184 PlacesBefore, 72 PlacesAfterwards, 212 TransitionsBefore, 95 TransitionsAfterwards, 22288 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 32 ConcurrentYvCompositions, 5 ChoiceCompositions, 175 TotalNumberOfCompositions, 56567 MoverChecksTotal - TimeoutResultAtElement [Line: 921]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 921). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 72 places, 95 transitions, 234 flow. Already constructed 267264 states. Currently 26179 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 246.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 238.2s, HoareTripleCheckerStatistics: 278 SDtfs, 124 SDslu, 263 SDs, 0 SdLazy, 93 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26221occurred 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: 3.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 1842 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 2063 SizeOfPredicates, 3 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3/8 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 could not prove your program: Timeout Completed graceful shutdown