/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_02-simple_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 13:05:30,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 13:05:30,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 13:05:30,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 13:05:30,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 13:05:30,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 13:05:30,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 13:05:30,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 13:05:30,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 13:05:30,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 13:05:30,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 13:05:30,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 13:05:30,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 13:05:30,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 13:05:30,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 13:05:30,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 13:05:30,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 13:05:30,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 13:05:30,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 13:05:30,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 13:05:30,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 13:05:30,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 13:05:30,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 13:05:30,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 13:05:30,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 13:05:30,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 13:05:30,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 13:05:30,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 13:05:30,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 13:05:30,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 13:05:30,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 13:05:30,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 13:05:30,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 13:05:30,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 13:05:30,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 13:05:30,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 13:05:30,920 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 13:05:30,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 13:05:30,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 13:05:30,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 13:05:30,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 13:05:30,988 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 13:05:30,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 13:05:30,989 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 13:05:30,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 13:05:30,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 13:05:30,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 13:05:30,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 13:05:30,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 13:05:30,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 13:05:30,992 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 13:05:30,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 13:05:30,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 13:05:30,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 13:05:30,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 13:05:30,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 13:05:30,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 13:05:30,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 13:05:30,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 13:05:30,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 13:05:30,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 13:05:30,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 13:05:30,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 13:05:30,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 13:05:30,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 13:05:30,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 13:05:30,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 13:05:31,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 13:05:31,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 13:05:31,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 13:05:31,473 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 13:05:31,474 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 13:05:31,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2020-11-09 13:05:31,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60cc3beee/df427acf13f9400988261bfeefef0371/FLAGeac2c4d94 [2020-11-09 13:05:32,223 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 13:05:32,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2020-11-09 13:05:32,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60cc3beee/df427acf13f9400988261bfeefef0371/FLAGeac2c4d94 [2020-11-09 13:05:32,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60cc3beee/df427acf13f9400988261bfeefef0371 [2020-11-09 13:05:32,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 13:05:32,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 13:05:32,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 13:05:32,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 13:05:32,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 13:05:32,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:32" (1/1) ... [2020-11-09 13:05:32,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74412ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:32, skipping insertion in model container [2020-11-09 13:05:32,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:32" (1/1) ... [2020-11-09 13:05:32,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 13:05:32,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 13:05:33,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:05:33,023 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 13:05:33,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:05:33,215 INFO L208 MainTranslator]: Completed translation [2020-11-09 13:05:33,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33 WrapperNode [2020-11-09 13:05:33,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 13:05:33,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 13:05:33,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 13:05:33,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 13:05:33,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 13:05:33,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 13:05:33,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 13:05:33,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 13:05:33,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (1/1) ... [2020-11-09 13:05:33,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 13:05:33,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 13:05:33,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 13:05:33,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 13:05:33,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (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 13:05:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 13:05:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 13:05:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 13:05:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 13:05:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 13:05:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 13:05:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 13:05:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 13:05:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 13:05:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 13:05:33,399 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 13:05:34,188 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 13:05:34,189 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-09 13:05:34,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:34 BoogieIcfgContainer [2020-11-09 13:05:34,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 13:05:34,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 13:05:34,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 13:05:34,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 13:05:34,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:05:32" (1/3) ... [2020-11-09 13:05:34,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603b41a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:34, skipping insertion in model container [2020-11-09 13:05:34,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33" (2/3) ... [2020-11-09 13:05:34,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603b41a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:34, skipping insertion in model container [2020-11-09 13:05:34,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:34" (3/3) ... [2020-11-09 13:05:34,203 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i [2020-11-09 13:05:34,220 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 13:05:34,221 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 13:05:34,225 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 13:05:34,226 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 13:05:34,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,263 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,275 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:34,286 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 13:05:34,300 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:05:34,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:05:34,326 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:05:34,326 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:05:34,326 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:05:34,326 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:05:34,326 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:05:34,326 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:05:34,327 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:05:34,341 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:05:34,344 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 107 transitions, 222 flow [2020-11-09 13:05:34,347 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 107 transitions, 222 flow [2020-11-09 13:05:34,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 107 transitions, 222 flow [2020-11-09 13:05:34,422 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2020-11-09 13:05:34,422 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 13:05:34,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 142 events. 19/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 349 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 68. Up to 4 conditions per place. [2020-11-09 13:05:34,434 INFO L116 LiptonReduction]: Number of co-enabled transitions 2240 [2020-11-09 13:05:38,862 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 13:05:39,026 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-09 13:05:39,216 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 13:05:39,365 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-09 13:05:40,042 WARN L194 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2020-11-09 13:05:40,323 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:05:40,920 WARN L194 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2020-11-09 13:05:41,174 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:05:41,181 INFO L131 LiptonReduction]: Checked pairs total: 3506 [2020-11-09 13:05:41,181 INFO L133 LiptonReduction]: Total number of compositions: 97 [2020-11-09 13:05:41,190 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 33 transitions, 74 flow [2020-11-09 13:05:41,204 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 132 states. [2020-11-09 13:05:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-11-09 13:05:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:05:41,213 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:05:41,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:05:41,214 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:05:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:05:41,220 INFO L82 PathProgramCache]: Analyzing trace with hash 13114167, now seen corresponding path program 1 times [2020-11-09 13:05:41,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:05:41,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830854648] [2020-11-09 13:05:41,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:05:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:05:41,425 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 13:05:41,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830854648] [2020-11-09 13:05:41,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:05:41,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:05:41,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337558855] [2020-11-09 13:05:41,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:05:41,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:05:41,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:05:41,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:05:41,453 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2020-11-09 13:05:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:05:41,492 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2020-11-09 13:05:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:05:41,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:05:41,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:05:41,505 INFO L225 Difference]: With dead ends: 127 [2020-11-09 13:05:41,505 INFO L226 Difference]: Without dead ends: 73 [2020-11-09 13:05:41,506 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 13:05:41,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-09 13:05:41,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-09 13:05:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-09 13:05:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2020-11-09 13:05:41,554 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 4 [2020-11-09 13:05:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:05:41,554 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2020-11-09 13:05:41,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:05:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2020-11-09 13:05:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 13:05:41,555 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:05:41,556 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 13:05:41,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 13:05:41,556 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:05:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:05:41,557 INFO L82 PathProgramCache]: Analyzing trace with hash -303746053, now seen corresponding path program 1 times [2020-11-09 13:05:41,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:05:41,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454567172] [2020-11-09 13:05:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:05:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:05:41,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:05:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:05:41,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:05:41,735 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:05:41,735 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:05:41,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 13:05:41,737 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:05:41,737 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 13:05:41,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,756 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,763 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,763 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,768 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,768 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,776 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,777 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,777 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:41,783 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 13:05:41,783 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:05:41,788 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:05:41,788 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:05:41,788 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:05:41,788 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:05:41,788 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:05:41,788 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:05:41,788 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:05:41,789 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:05:41,793 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:05:41,795 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 137 transitions, 292 flow [2020-11-09 13:05:41,795 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 137 transitions, 292 flow [2020-11-09 13:05:41,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 137 transitions, 292 flow [2020-11-09 13:05:41,878 INFO L129 PetriNetUnfolder]: 34/230 cut-off events. [2020-11-09 13:05:41,878 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 13:05:41,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 230 events. 34/230 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 719 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 144. Up to 8 conditions per place. [2020-11-09 13:05:41,893 INFO L116 LiptonReduction]: Number of co-enabled transitions 6664 [2020-11-09 13:05:45,317 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 13:05:45,543 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 13:05:46,154 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-11-09 13:05:46,339 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 13:05:46,700 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-11-09 13:05:46,859 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 13:05:47,433 WARN L194 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 13:05:47,679 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:05:48,185 WARN L194 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 13:05:48,442 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:05:48,689 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:05:48,926 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:05:49,163 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 13:05:49,399 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:05:49,421 INFO L131 LiptonReduction]: Checked pairs total: 15430 [2020-11-09 13:05:49,421 INFO L133 LiptonReduction]: Total number of compositions: 114 [2020-11-09 13:05:49,422 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 56 transitions, 130 flow [2020-11-09 13:05:49,539 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2113 states. [2020-11-09 13:05:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states. [2020-11-09 13:05:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:05:49,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:05:49,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:05:49,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:05:49,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:05:49,541 INFO L82 PathProgramCache]: Analyzing trace with hash 21753710, now seen corresponding path program 1 times [2020-11-09 13:05:49,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:05:49,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942291360] [2020-11-09 13:05:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:05:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:05:49,579 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 13:05:49,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942291360] [2020-11-09 13:05:49,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:05:49,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:05:49,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097455722] [2020-11-09 13:05:49,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:05:49,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:05:49,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:05:49,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:05:49,582 INFO L87 Difference]: Start difference. First operand 2113 states. Second operand 3 states. [2020-11-09 13:05:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:05:49,683 INFO L93 Difference]: Finished difference Result 2108 states and 5618 transitions. [2020-11-09 13:05:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:05:49,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:05:49,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:05:49,717 INFO L225 Difference]: With dead ends: 2108 [2020-11-09 13:05:49,717 INFO L226 Difference]: Without dead ends: 1239 [2020-11-09 13:05:49,717 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 13:05:49,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-11-09 13:05:49,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-11-09 13:05:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-11-09 13:05:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-11-09 13:05:49,878 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-11-09 13:05:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:05:49,878 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-11-09 13:05:49,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:05:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-11-09 13:05:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 13:05:49,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:05:49,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:05:49,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 13:05:49,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:05:49,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:05:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1461385493, now seen corresponding path program 1 times [2020-11-09 13:05:49,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:05:49,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047944045] [2020-11-09 13:05:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:05:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:05:49,946 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 13:05:49,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047944045] [2020-11-09 13:05:49,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745627574] [2020-11-09 13:05:49,947 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 13:05:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:05:50,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:05:50,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:05:50,039 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 13:05:50,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:05:50,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 13:05:50,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081440703] [2020-11-09 13:05:50,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:05:50,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:05:50,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:05:50,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:05:50,042 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 3 states. [2020-11-09 13:05:50,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:05:50,074 INFO L93 Difference]: Finished difference Result 1209 states and 3199 transitions. [2020-11-09 13:05:50,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:05:50,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 13:05:50,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:05:50,084 INFO L225 Difference]: With dead ends: 1209 [2020-11-09 13:05:50,084 INFO L226 Difference]: Without dead ends: 1209 [2020-11-09 13:05:50,085 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 13:05:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2020-11-09 13:05:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2020-11-09 13:05:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-11-09 13:05:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 3199 transitions. [2020-11-09 13:05:50,138 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 3199 transitions. Word has length 8 [2020-11-09 13:05:50,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:05:50,138 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 3199 transitions. [2020-11-09 13:05:50,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:05:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3199 transitions. [2020-11-09 13:05:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 13:05:50,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:05:50,140 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 13:05:50,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:05:50,354 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:05:50,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:05:50,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1407494800, now seen corresponding path program 1 times [2020-11-09 13:05:50,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:05:50,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808768579] [2020-11-09 13:05:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:05:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:05:50,375 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:05:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:05:50,406 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:05:50,421 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:05:50,421 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:05:50,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 13:05:50,421 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:05:50,422 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 13:05:50,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,463 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:05:50,470 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 13:05:50,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:05:50,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:05:50,471 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:05:50,471 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:05:50,471 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:05:50,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:05:50,472 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:05:50,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:05:50,472 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:05:50,474 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:05:50,474 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 167 transitions, 364 flow [2020-11-09 13:05:50,475 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 167 transitions, 364 flow [2020-11-09 13:05:50,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 167 transitions, 364 flow [2020-11-09 13:05:50,600 INFO L129 PetriNetUnfolder]: 54/349 cut-off events. [2020-11-09 13:05:50,601 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 13:05:50,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 349 events. 54/349 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1227 event pairs, 1 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 238. Up to 16 conditions per place. [2020-11-09 13:05:50,626 INFO L116 LiptonReduction]: Number of co-enabled transitions 12600 [2020-11-09 13:05:54,262 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-09 13:05:54,471 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-09 13:05:56,135 WARN L194 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-11-09 13:05:56,383 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:05:56,900 WARN L194 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-11-09 13:05:57,127 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:05:57,140 INFO L131 LiptonReduction]: Checked pairs total: 28211 [2020-11-09 13:05:57,140 INFO L133 LiptonReduction]: Total number of compositions: 138 [2020-11-09 13:05:57,141 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 75 transitions, 180 flow [2020-11-09 13:06:00,806 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26221 states. [2020-11-09 13:06:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 26221 states. [2020-11-09 13:06:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:06:00,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:06:00,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:06:00,807 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:06:00,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:06:00,808 INFO L82 PathProgramCache]: Analyzing trace with hash 32043540, now seen corresponding path program 1 times [2020-11-09 13:06:00,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:06:00,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988433596] [2020-11-09 13:06:00,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:06:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:00,844 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 13:06:00,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988433596] [2020-11-09 13:06:00,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:06:00,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:06:00,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471647662] [2020-11-09 13:06:00,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:06:00,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:06:00,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:06:00,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:06:00,847 INFO L87 Difference]: Start difference. First operand 26221 states. Second operand 3 states. [2020-11-09 13:06:01,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:06:01,609 INFO L93 Difference]: Finished difference Result 26216 states and 93058 transitions. [2020-11-09 13:06:01,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:06:01,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:06:01,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:06:01,854 INFO L225 Difference]: With dead ends: 26216 [2020-11-09 13:06:01,854 INFO L226 Difference]: Without dead ends: 14919 [2020-11-09 13:06:01,855 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 13:06:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-11-09 13:06:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-11-09 13:06:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-11-09 13:06:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-11-09 13:06:02,994 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-11-09 13:06:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:06:02,995 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-11-09 13:06:02,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:06:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-11-09 13:06:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 13:06:02,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:06:02,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:06:02,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 13:06:02,998 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:06:02,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:06:02,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1531918271, now seen corresponding path program 1 times [2020-11-09 13:06:02,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:06:03,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162451809] [2020-11-09 13:06:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:06:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:03,065 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 13:06:03,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162451809] [2020-11-09 13:06:03,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413816701] [2020-11-09 13:06:03,066 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 13:06:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:03,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:06:03,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:06:03,350 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 13:06:03,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:06:03,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 13:06:03,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743512755] [2020-11-09 13:06:03,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:06:03,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:06:03,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:06:03,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:06:03,352 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 3 states. [2020-11-09 13:06:03,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:06:03,509 INFO L93 Difference]: Finished difference Result 14764 states and 52547 transitions. [2020-11-09 13:06:03,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:06:03,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 13:06:03,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:06:03,748 INFO L225 Difference]: With dead ends: 14764 [2020-11-09 13:06:03,751 INFO L226 Difference]: Without dead ends: 14764 [2020-11-09 13:06:03,753 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 13:06:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14764 states. [2020-11-09 13:06:04,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14764 to 14764. [2020-11-09 13:06:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14764 states. [2020-11-09 13:06:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14764 states to 14764 states and 52547 transitions. [2020-11-09 13:06:04,863 INFO L78 Accepts]: Start accepts. Automaton has 14764 states and 52547 transitions. Word has length 8 [2020-11-09 13:06:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:06:04,864 INFO L481 AbstractCegarLoop]: Abstraction has 14764 states and 52547 transitions. [2020-11-09 13:06:04,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:06:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14764 states and 52547 transitions. [2020-11-09 13:06:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 13:06:04,877 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:06:04,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:06:05,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:06:05,093 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:06:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:06:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash 348967301, now seen corresponding path program 1 times [2020-11-09 13:06:05,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:06:05,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139813031] [2020-11-09 13:06:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:06:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:05,134 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 13:06:05,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139813031] [2020-11-09 13:06:05,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684240431] [2020-11-09 13:06:05,135 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 13:06:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:05,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-09 13:06:05,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:06:05,238 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 13:06:05,238 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 13:06:05,252 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 13:06:05,252 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 13:06:05,253 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-11-09 13:06:05,276 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 13:06:05,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:06:05,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-09 13:06:05,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107238549] [2020-11-09 13:06:05,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:06:05,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:06:05,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:06:05,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:06:05,278 INFO L87 Difference]: Start difference. First operand 14764 states and 52547 transitions. Second operand 3 states. [2020-11-09 13:06:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:06:05,576 INFO L93 Difference]: Finished difference Result 12873 states and 40352 transitions. [2020-11-09 13:06:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:06:05,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-09 13:06:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:06:05,631 INFO L225 Difference]: With dead ends: 12873 [2020-11-09 13:06:05,631 INFO L226 Difference]: Without dead ends: 12867 [2020-11-09 13:06:05,631 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 13:06:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12867 states. [2020-11-09 13:06:06,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12867 to 11025. [2020-11-09 13:06:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11025 states. [2020-11-09 13:06:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 35262 transitions. [2020-11-09 13:06:06,274 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 35262 transitions. Word has length 13 [2020-11-09 13:06:06,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:06:06,275 INFO L481 AbstractCegarLoop]: Abstraction has 11025 states and 35262 transitions. [2020-11-09 13:06:06,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:06:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 35262 transitions. [2020-11-09 13:06:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 13:06:06,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:06:06,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:06:06,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:06:06,490 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:06:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:06:06,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1946867669, now seen corresponding path program 1 times [2020-11-09 13:06:06,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:06:06,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243603754] [2020-11-09 13:06:06,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:06:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:06,533 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 13:06:06,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243603754] [2020-11-09 13:06:06,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109592207] [2020-11-09 13:06:06,533 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 13:06:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:06:06,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:06:06,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:06:06,677 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 13:06:06,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 13:06:06,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-11-09 13:06:06,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673502375] [2020-11-09 13:06:06,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 13:06:06,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:06:06,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 13:06:06,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:06:06,680 INFO L87 Difference]: Start difference. First operand 11025 states and 35262 transitions. Second operand 5 states. [2020-11-09 13:06:06,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:06:06,787 INFO L93 Difference]: Finished difference Result 11007 states and 35229 transitions. [2020-11-09 13:06:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 13:06:06,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-11-09 13:06:06,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:06:06,827 INFO L225 Difference]: With dead ends: 11007 [2020-11-09 13:06:06,827 INFO L226 Difference]: Without dead ends: 11007 [2020-11-09 13:06:06,828 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 13:06:07,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11007 states. [2020-11-09 13:06:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11007 to 11007. [2020-11-09 13:06:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11007 states. [2020-11-09 13:06:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 35229 transitions. [2020-11-09 13:06:07,533 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 35229 transitions. Word has length 14 [2020-11-09 13:06:07,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:06:07,533 INFO L481 AbstractCegarLoop]: Abstraction has 11007 states and 35229 transitions. [2020-11-09 13:06:07,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 13:06:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 35229 transitions. [2020-11-09 13:06:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 13:06:07,534 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:06:07,534 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 13:06:07,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:06:07,749 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:06:07,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:06:07,750 INFO L82 PathProgramCache]: Analyzing trace with hash 68401863, now seen corresponding path program 1 times [2020-11-09 13:06:07,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:06:07,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677693505] [2020-11-09 13:06:07,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:06:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:06:07,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:06:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:06:07,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:06:07,820 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:06:07,820 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:06:07,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 13:06:07,821 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:06:07,821 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 13:06:07,843 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,843 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,843 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,843 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,844 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,844 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,844 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,860 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:06:07,883 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 13:06:07,884 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:06:07,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:06:07,884 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:06:07,885 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:06:07,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:06:07,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:06:07,885 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:06:07,885 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:06:07,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:06:07,893 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:06:07,893 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 197 transitions, 438 flow [2020-11-09 13:06:07,893 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 197 transitions, 438 flow [2020-11-09 13:06:07,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 197 transitions, 438 flow [2020-11-09 13:06:08,001 INFO L129 PetriNetUnfolder]: 86/532 cut-off events. [2020-11-09 13:06:08,001 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-11-09 13:06:08,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 532 events. 86/532 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2135 event pairs, 6 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 369. Up to 32 conditions per place. [2020-11-09 13:06:08,041 INFO L116 LiptonReduction]: Number of co-enabled transitions 20272 [2020-11-09 13:06:12,974 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-11-09 13:06:13,205 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-11-09 13:06:14,682 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-09 13:06:15,508 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-11-09 13:06:15,746 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:06:16,269 WARN L194 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-11-09 13:06:16,503 WARN L194 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:06:16,564 INFO L131 LiptonReduction]: Checked pairs total: 54815 [2020-11-09 13:06:16,564 INFO L133 LiptonReduction]: Total number of compositions: 159 [2020-11-09 13:06:16,565 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 93 transitions, 230 flow Received shutdown request... [2020-11-09 13:09:47,128 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 13:09:47,132 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 13:09:47,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:09:47 BasicIcfg [2020-11-09 13:09:47,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 13:09:47,138 INFO L168 Benchmark]: Toolchain (without parser) took 254602.54 ms. Allocated memory was 151.0 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 124.4 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. [2020-11-09 13:09:47,138 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 13:09:47,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.91 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 129.9 MB in the end (delta: -6.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. [2020-11-09 13:09:47,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.39 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 127.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:09:47,140 INFO L168 Benchmark]: Boogie Preprocessor took 40.59 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 126.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 13:09:47,141 INFO L168 Benchmark]: RCFGBuilder took 877.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 100.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-09 13:09:47,144 INFO L168 Benchmark]: TraceAbstraction took 252937.34 ms. Allocated memory was 151.0 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 100.0 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. [2020-11-09 13:09:47,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 679.91 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 129.9 MB in the end (delta: -6.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.39 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 127.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.59 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 126.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 877.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 100.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 252937.34 ms. Allocated memory was 151.0 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 100.0 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1449 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 89 SemBasedMoverChecksPositive, 25 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 111 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.8s, 97 PlacesBefore, 26 PlacesAfterwards, 107 TransitionsBefore, 33 TransitionsAfterwards, 2240 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 3 ChoiceCompositions, 97 TotalNumberOfCompositions, 3506 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3771 VarBasedMoverChecksPositive, 353 VarBasedMoverChecksNegative, 304 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 383 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.6s, 122 PlacesBefore, 44 PlacesAfterwards, 137 TransitionsBefore, 56 TransitionsAfterwards, 6664 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 20 ConcurrentYvCompositions, 3 ChoiceCompositions, 114 TotalNumberOfCompositions, 15430 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7047 VarBasedMoverChecksPositive, 711 VarBasedMoverChecksNegative, 642 SemBasedMoverChecksPositive, 69 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 652 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.6s, 147 PlacesBefore, 58 PlacesAfterwards, 167 TransitionsBefore, 75 TransitionsAfterwards, 12600 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 3 ChoiceCompositions, 138 TotalNumberOfCompositions, 28211 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 11296 VarBasedMoverChecksPositive, 1205 VarBasedMoverChecksNegative, 1093 SemBasedMoverChecksPositive, 112 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.1s, 1056 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.6s, 172 PlacesBefore, 72 PlacesAfterwards, 197 TransitionsBefore, 93 TransitionsAfterwards, 20272 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 28 ConcurrentYvCompositions, 4 ChoiceCompositions, 159 TotalNumberOfCompositions, 54815 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 72 places, 93 transitions, 230 flow. Already constructed 300029 states. Currently 16810 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 252.6s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 244.2s, HoareTripleCheckerStatistics: 275 SDtfs, 127 SDslu, 254 SDs, 0 SdLazy, 89 SolverSat, 14 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: 3.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 1842 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 2231 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 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