/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 01:52:21,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 01:52:21,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 01:52:21,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 01:52:21,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 01:52:21,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 01:52:21,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 01:52:21,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 01:52:21,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 01:52:21,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 01:52:21,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 01:52:21,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 01:52:21,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 01:52:21,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 01:52:21,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 01:52:21,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 01:52:21,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 01:52:21,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 01:52:21,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 01:52:21,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 01:52:21,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 01:52:21,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 01:52:21,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 01:52:21,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 01:52:21,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 01:52:21,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 01:52:21,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 01:52:21,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 01:52:21,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 01:52:21,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 01:52:21,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 01:52:21,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 01:52:21,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 01:52:21,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 01:52:21,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 01:52:21,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 01:52:21,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2020-12-18 01:52:21,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 01:52:21,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 01:52:21,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 01:52:21,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 01:52:21,539 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 01:52:21,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 01:52:21,539 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 01:52:21,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 01:52:21,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 01:52:21,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 01:52:21,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 01:52:21,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 01:52:21,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 01:52:21,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 01:52:21,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 01:52:21,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 01:52:21,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 01:52:21,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 01:52:21,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 01:52:21,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 01:52:21,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 01:52:21,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 01:52:21,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 01:52:21,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 01:52:21,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 01:52:21,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 01:52:21,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 01:52:21,544 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 01:52:21,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 01:52:21,544 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-18 01:52:21,544 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 01:52:21,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 01:52:21,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 01:52:21,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 01:52:21,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 01:52:21,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 01:52:21,971 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 01:52:21,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2020-12-18 01:52:22,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4510a7434/f42afd98e686463eb7b667d0c8c1851e/FLAG1dad774d8 [2020-12-18 01:52:22,895 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 01:52:22,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2020-12-18 01:52:22,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4510a7434/f42afd98e686463eb7b667d0c8c1851e/FLAG1dad774d8 [2020-12-18 01:52:23,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4510a7434/f42afd98e686463eb7b667d0c8c1851e [2020-12-18 01:52:23,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 01:52:23,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 01:52:23,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 01:52:23,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 01:52:23,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 01:52:23,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:23,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194d842a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23, skipping insertion in model container [2020-12-18 01:52:23,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:23,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 01:52:23,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 01:52:23,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 01:52:23,725 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 01:52:23,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 01:52:23,953 INFO L208 MainTranslator]: Completed translation [2020-12-18 01:52:23,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23 WrapperNode [2020-12-18 01:52:23,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 01:52:23,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 01:52:23,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 01:52:23,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 01:52:23,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:23,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 01:52:24,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 01:52:24,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 01:52:24,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 01:52:24,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (1/1) ... [2020-12-18 01:52:24,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 01:52:24,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 01:52:24,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 01:52:24,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 01:52:24,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (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 [2020-12-18 01:52:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 01:52:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 01:52:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 01:52:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 01:52:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 01:52:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 01:52:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 01:52:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 01:52:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 01:52:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 01:52:24,176 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 01:52:25,001 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 01:52:25,001 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-18 01:52:25,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:52:25 BoogieIcfgContainer [2020-12-18 01:52:25,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 01:52:25,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 01:52:25,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 01:52:25,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 01:52:25,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:52:23" (1/3) ... [2020-12-18 01:52:25,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b56211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:52:25, skipping insertion in model container [2020-12-18 01:52:25,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:23" (2/3) ... [2020-12-18 01:52:25,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b56211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:52:25, skipping insertion in model container [2020-12-18 01:52:25,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:52:25" (3/3) ... [2020-12-18 01:52:25,012 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2020-12-18 01:52:25,029 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 01:52:25,029 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 01:52:25,033 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 01:52:25,034 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 01:52:25,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 01:52:25,095 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-18 01:52:25,108 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-18 01:52:25,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 01:52:25,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 01:52:25,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 01:52:25,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 01:52:25,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 01:52:25,134 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 01:52:25,134 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 01:52:25,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 01:52:25,148 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 103 transitions, 214 flow [2020-12-18 01:52:25,199 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 660 states, 658 states have (on average 2.234042553191489) internal successors, (1470), 659 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 660 states, 658 states have (on average 2.234042553191489) internal successors, (1470), 659 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-18 01:52:25,220 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 01:52:25,221 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 01:52:25,222 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 01:52:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 01:52:25,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1950299108, now seen corresponding path program 1 times [2020-12-18 01:52:25,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 01:52:25,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941881413] [2020-12-18 01:52:25,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 01:52:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 01:52:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 01:52:25,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941881413] [2020-12-18 01:52:25,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 01:52:25,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-18 01:52:25,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398254089] [2020-12-18 01:52:25,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-18 01:52:25,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 01:52:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-18 01:52:25,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-18 01:52:25,734 INFO L87 Difference]: Start difference. First operand has 660 states, 658 states have (on average 2.234042553191489) internal successors, (1470), 659 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:26,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 01:52:26,310 INFO L93 Difference]: Finished difference Result 753 states and 1377 transitions. [2020-12-18 01:52:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-18 01:52:26,312 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2020-12-18 01:52:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 01:52:26,315 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2020-12-18 01:52:26,315 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1377 transitions. Word has length 48 [2020-12-18 01:52:26,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 01:52:26,317 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1377 transitions. [2020-12-18 01:52:26,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1377 transitions. [2020-12-18 01:52:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-18 01:52:26,323 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 01:52:26,323 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 01:52:26,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 01:52:26,324 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 01:52:26,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 01:52:26,325 INFO L82 PathProgramCache]: Analyzing trace with hash 424723398, now seen corresponding path program 1 times [2020-12-18 01:52:26,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 01:52:26,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609494116] [2020-12-18 01:52:26,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 01:52:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 01:52:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 01:52:26,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609494116] [2020-12-18 01:52:26,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 01:52:26,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 01:52:26,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734735006] [2020-12-18 01:52:26,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 01:52:26,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 01:52:26,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 01:52:26,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-18 01:52:26,478 INFO L87 Difference]: Start difference. First operand 753 states and 1377 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:26,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 01:52:26,591 INFO L93 Difference]: Finished difference Result 255 states and 370 transitions. [2020-12-18 01:52:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-18 01:52:26,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-12-18 01:52:26,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 01:52:26,593 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-18 01:52:26,593 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 370 transitions. Word has length 58 [2020-12-18 01:52:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 01:52:26,594 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 370 transitions. [2020-12-18 01:52:26,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 370 transitions. [2020-12-18 01:52:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-18 01:52:26,597 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 01:52:26,597 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 01:52:26,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 01:52:26,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 01:52:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 01:52:26,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1074228917, now seen corresponding path program 1 times [2020-12-18 01:52:26,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 01:52:26,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437326903] [2020-12-18 01:52:26,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 01:52:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 01:52:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 01:52:27,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437326903] [2020-12-18 01:52:27,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 01:52:27,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-18 01:52:27,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977914077] [2020-12-18 01:52:27,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-18 01:52:27,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 01:52:27,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-18 01:52:27,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-12-18 01:52:27,019 INFO L87 Difference]: Start difference. First operand 255 states and 370 transitions. Second operand has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:29,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 01:52:29,389 INFO L93 Difference]: Finished difference Result 243 states and 350 transitions. [2020-12-18 01:52:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-12-18 01:52:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2020-12-18 01:52:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 01:52:29,392 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=657, Invalid=2883, Unknown=0, NotChecked=0, Total=3540 [2020-12-18 01:52:29,394 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 350 transitions. Word has length 73 [2020-12-18 01:52:29,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 01:52:29,395 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 350 transitions. [2020-12-18 01:52:29,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 01:52:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 350 transitions. [2020-12-18 01:52:29,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-18 01:52:29,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-18 01:52:29,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:52:29 BasicIcfg [2020-12-18 01:52:29,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-18 01:52:29,409 INFO L168 Benchmark]: Toolchain (without parser) took 6234.73 ms. Allocated memory was 306.2 MB in the beginning and 392.2 MB in the end (delta: 86.0 MB). Free memory was 279.0 MB in the beginning and 293.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.0 GB. [2020-12-18 01:52:29,410 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 306.2 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 01:52:29,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.80 ms. Allocated memory is still 306.2 MB. Free memory was 278.9 MB in the beginning and 282.1 MB in the end (delta: -3.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.0 GB. [2020-12-18 01:52:29,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.83 ms. Allocated memory is still 306.2 MB. Free memory was 282.1 MB in the beginning and 280.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 01:52:29,413 INFO L168 Benchmark]: Boogie Preprocessor took 63.25 ms. Allocated memory is still 306.2 MB. Free memory was 280.1 MB in the beginning and 278.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 01:52:29,415 INFO L168 Benchmark]: RCFGBuilder took 915.82 ms. Allocated memory is still 306.2 MB. Free memory was 278.7 MB in the beginning and 252.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-12-18 01:52:29,418 INFO L168 Benchmark]: TraceAbstraction took 4400.49 ms. Allocated memory was 306.2 MB in the beginning and 392.2 MB in the end (delta: 86.0 MB). Free memory was 252.8 MB in the beginning and 293.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.0 GB. [2020-12-18 01:52:29,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 306.2 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 776.80 ms. Allocated memory is still 306.2 MB. Free memory was 278.9 MB in the beginning and 282.1 MB in the end (delta: -3.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.83 ms. Allocated memory is still 306.2 MB. Free memory was 282.1 MB in the beginning and 280.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.25 ms. Allocated memory is still 306.2 MB. Free memory was 280.1 MB in the beginning and 278.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 915.82 ms. Allocated memory is still 306.2 MB. Free memory was 278.7 MB in the beginning and 252.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4400.49 ms. Allocated memory was 306.2 MB in the beginning and 392.2 MB in the end (delta: 86.0 MB). Free memory was 252.8 MB in the beginning and 293.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 683]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 349 SDtfs, 916 SDslu, 1689 SDs, 0 SdLazy, 649 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=753occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 48053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...