/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:44:45,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:44:45,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:44:45,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:44:45,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:44:45,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:44:45,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:44:45,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:44:45,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:44:45,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:44:45,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:44:45,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:44:45,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:44:45,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:44:45,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:44:45,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:44:45,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:44:45,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:44:45,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:44:45,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:44:45,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:44:45,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:44:45,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:44:45,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:44:45,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 23:44:45,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 23:44:45,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 23:44:45,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 23:44:45,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 23:44:45,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 23:44:45,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:44:45,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:44:45,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:44:45,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:44:45,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:44:45,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:44:45,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:44:45,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:44:45,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:44:45,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:44:45,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:44:45,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-18 23:44:45,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:44:45,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:44:45,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:44:45,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:44:45,964 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:44:45,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:44:45,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:44:45,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:44:45,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:44:45,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:44:45,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:44:45,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:44:45,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:44:45,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:44:45,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:44:45,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:44:45,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:44:45,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:44:45,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:44:45,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:44:45,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:44:45,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:44:45,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:44:45,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:44:45,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:44:45,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:44:45,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:44:45,974 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-18 23:44:45,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:44:45,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:44:46,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:44:46,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:44:46,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:44:46,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:44:46,270 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:44:46,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2019-12-18 23:44:46,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4fdd7b0/39b2da391437435fbf5e85c4b42e30a1/FLAGc62dbbb0a [2019-12-18 23:44:46,878 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:44:46,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2019-12-18 23:44:46,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4fdd7b0/39b2da391437435fbf5e85c4b42e30a1/FLAGc62dbbb0a [2019-12-18 23:44:47,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4fdd7b0/39b2da391437435fbf5e85c4b42e30a1 [2019-12-18 23:44:47,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:44:47,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:44:47,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:44:47,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:44:47,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:44:47,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5100b2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47, skipping insertion in model container [2019-12-18 23:44:47,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:44:47,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:44:47,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:44:47,735 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:44:47,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:44:47,883 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:44:47,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47 WrapperNode [2019-12-18 23:44:47,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:44:47,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:44:47,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:44:47,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:44:47,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:44:47,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:44:47,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:44:47,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:44:47,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (1/1) ... [2019-12-18 23:44:47,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:44:47,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:44:47,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:44:47,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:44:47,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (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 [2019-12-18 23:44:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-18 23:44:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-18 23:44:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 23:44:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 23:44:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:44:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:44:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:44:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:44:48,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:44:48,028 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:44:48,178 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-18 23:44:48,182 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-18 23:44:48,276 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-18 23:44:48,286 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-18 23:44:48,387 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:44:48,388 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-18 23:44:48,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:44:48 BoogieIcfgContainer [2019-12-18 23:44:48,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:44:48,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:44:48,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:44:48,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:44:48,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:44:47" (1/3) ... [2019-12-18 23:44:48,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9a99aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:44:48, skipping insertion in model container [2019-12-18 23:44:48,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:44:47" (2/3) ... [2019-12-18 23:44:48,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9a99aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:44:48, skipping insertion in model container [2019-12-18 23:44:48,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:44:48" (3/3) ... [2019-12-18 23:44:48,398 INFO L109 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2019-12-18 23:44:48,409 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:44:48,409 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:44:48,420 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 23:44:48,421 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:44:48,445 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,446 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,446 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,446 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,447 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,447 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,448 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,448 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,448 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,449 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,449 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,449 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,453 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,454 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,454 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,454 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,463 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:48,478 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 23:44:48,499 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:44:48,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:44:48,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:44:48,500 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:44:48,500 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:44:48,500 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:44:48,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:44:48,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:44:48,512 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 47 transitions [2019-12-18 23:44:48,578 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 904 states. [2019-12-18 23:44:48,580 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states. [2019-12-18 23:44:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-18 23:44:48,589 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:44:48,590 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:44:48,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:44:48,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:44:48,599 INFO L82 PathProgramCache]: Analyzing trace with hash 646988620, now seen corresponding path program 1 times [2019-12-18 23:44:48,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:44:48,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450869683] [2019-12-18 23:44:48,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:44:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:44:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:44:48,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450869683] [2019-12-18 23:44:48,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:44:48,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:44:48,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588875971] [2019-12-18 23:44:48,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:44:48,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:44:48,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:44:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:44:48,925 INFO L87 Difference]: Start difference. First operand 904 states. Second operand 4 states. [2019-12-18 23:44:49,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:44:49,024 INFO L93 Difference]: Finished difference Result 259 states and 689 transitions. [2019-12-18 23:44:49,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:44:49,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-18 23:44:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:44:49,051 INFO L225 Difference]: With dead ends: 259 [2019-12-18 23:44:49,051 INFO L226 Difference]: Without dead ends: 259 [2019-12-18 23:44:49,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:44:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-12-18 23:44:49,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2019-12-18 23:44:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-12-18 23:44:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 689 transitions. [2019-12-18 23:44:49,135 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 689 transitions. Word has length 17 [2019-12-18 23:44:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:44:49,136 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 689 transitions. [2019-12-18 23:44:49,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:44:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 689 transitions. [2019-12-18 23:44:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-18 23:44:49,138 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:44:49,138 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:44:49,138 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:44:49,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:44:49,139 INFO L82 PathProgramCache]: Analyzing trace with hash 511467436, now seen corresponding path program 1 times [2019-12-18 23:44:49,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:44:49,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159495258] [2019-12-18 23:44:49,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:44:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:44:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:44:49,220 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:44:49,221 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:44:49,223 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:44:49,223 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-18 23:44:49,235 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,235 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,235 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,236 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,236 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,236 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,237 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,237 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,237 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,237 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,237 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,238 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,241 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,241 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,243 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,243 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,243 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,243 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,246 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,246 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,246 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,247 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,260 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,261 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:49,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 23:44:49,278 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:44:49,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:44:49,280 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:44:49,280 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:44:49,280 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:44:49,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:44:49,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:44:49,280 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:44:49,284 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 70 transitions [2019-12-18 23:44:49,849 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8113 states. [2019-12-18 23:44:49,849 INFO L276 IsEmpty]: Start isEmpty. Operand 8113 states. [2019-12-18 23:44:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-18 23:44:49,851 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:44:49,851 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:44:49,851 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:44:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:44:49,852 INFO L82 PathProgramCache]: Analyzing trace with hash -227232472, now seen corresponding path program 1 times [2019-12-18 23:44:49,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:44:49,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520072461] [2019-12-18 23:44:49,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:44:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:44:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:44:49,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520072461] [2019-12-18 23:44:49,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:44:49,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:44:49,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000278296] [2019-12-18 23:44:49,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:44:49,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:44:49,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:44:49,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:44:49,927 INFO L87 Difference]: Start difference. First operand 8113 states. Second operand 4 states. [2019-12-18 23:44:50,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:44:50,071 INFO L93 Difference]: Finished difference Result 1583 states and 5803 transitions. [2019-12-18 23:44:50,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:44:50,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-18 23:44:50,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:44:50,091 INFO L225 Difference]: With dead ends: 1583 [2019-12-18 23:44:50,091 INFO L226 Difference]: Without dead ends: 1583 [2019-12-18 23:44:50,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:44:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2019-12-18 23:44:50,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1583. [2019-12-18 23:44:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2019-12-18 23:44:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 5803 transitions. [2019-12-18 23:44:50,177 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 5803 transitions. Word has length 17 [2019-12-18 23:44:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:44:50,177 INFO L462 AbstractCegarLoop]: Abstraction has 1583 states and 5803 transitions. [2019-12-18 23:44:50,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:44:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 5803 transitions. [2019-12-18 23:44:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-18 23:44:50,180 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:44:50,180 INFO L411 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] [2019-12-18 23:44:50,180 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:44:50,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:44:50,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1958491439, now seen corresponding path program 1 times [2019-12-18 23:44:50,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:44:50,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926903138] [2019-12-18 23:44:50,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:44:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:44:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:44:50,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926903138] [2019-12-18 23:44:50,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:44:50,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:44:50,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006599636] [2019-12-18 23:44:50,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:44:50,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:44:50,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:44:50,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:44:50,267 INFO L87 Difference]: Start difference. First operand 1583 states and 5803 transitions. Second operand 3 states. [2019-12-18 23:44:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:44:50,290 INFO L93 Difference]: Finished difference Result 543 states and 1507 transitions. [2019-12-18 23:44:50,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:44:50,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-18 23:44:50,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:44:50,295 INFO L225 Difference]: With dead ends: 543 [2019-12-18 23:44:50,296 INFO L226 Difference]: Without dead ends: 543 [2019-12-18 23:44:50,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:44:50,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2019-12-18 23:44:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 447. [2019-12-18 23:44:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-12-18 23:44:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 1243 transitions. [2019-12-18 23:44:50,313 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 1243 transitions. Word has length 25 [2019-12-18 23:44:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:44:50,314 INFO L462 AbstractCegarLoop]: Abstraction has 447 states and 1243 transitions. [2019-12-18 23:44:50,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:44:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1243 transitions. [2019-12-18 23:44:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-18 23:44:50,316 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:44:50,316 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:44:50,316 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:44:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:44:50,317 INFO L82 PathProgramCache]: Analyzing trace with hash 502610814, now seen corresponding path program 1 times [2019-12-18 23:44:50,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:44:50,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336862597] [2019-12-18 23:44:50,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:44:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:44:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:44:50,348 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:44:50,348 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:44:50,348 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:44:50,349 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-18 23:44:50,361 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,361 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,361 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,361 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,362 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,362 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,362 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,363 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,363 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,363 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,363 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,363 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,364 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,364 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,364 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,364 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,365 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,365 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,365 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,366 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,366 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,366 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,366 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,366 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,367 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,367 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,367 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,367 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,369 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,369 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,369 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,369 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,370 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,370 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,370 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,370 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,372 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,373 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,373 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,373 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,376 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,377 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,377 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,377 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,379 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,380 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,380 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,380 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,382 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,383 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,383 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,383 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,385 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,385 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,386 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,386 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:44:50,388 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 23:44:50,388 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:44:50,388 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:44:50,388 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:44:50,388 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:44:50,389 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:44:50,389 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:44:50,389 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:44:50,389 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:44:50,392 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 93 transitions [2019-12-18 23:45:06,663 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 72994 states. [2019-12-18 23:45:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 72994 states. [2019-12-18 23:45:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-18 23:45:06,664 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:45:06,664 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:45:06,664 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:45:06,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:45:06,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1579205925, now seen corresponding path program 1 times [2019-12-18 23:45:06,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:45:06,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363255733] [2019-12-18 23:45:06,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:45:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:45:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:45:06,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363255733] [2019-12-18 23:45:06,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:45:06,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:45:06,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267220400] [2019-12-18 23:45:06,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:45:06,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:45:06,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:45:06,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:45:06,719 INFO L87 Difference]: Start difference. First operand 72994 states. Second operand 4 states. [2019-12-18 23:45:06,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:45:06,947 INFO L93 Difference]: Finished difference Result 9039 states and 42085 transitions. [2019-12-18 23:45:06,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:45:06,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-18 23:45:06,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:45:07,045 INFO L225 Difference]: With dead ends: 9039 [2019-12-18 23:45:07,046 INFO L226 Difference]: Without dead ends: 9039 [2019-12-18 23:45:07,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:45:07,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9039 states. [2019-12-18 23:45:07,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9039 to 9039. [2019-12-18 23:45:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9039 states. [2019-12-18 23:45:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9039 states to 9039 states and 42085 transitions. [2019-12-18 23:45:07,504 INFO L78 Accepts]: Start accepts. Automaton has 9039 states and 42085 transitions. Word has length 17 [2019-12-18 23:45:07,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:45:07,505 INFO L462 AbstractCegarLoop]: Abstraction has 9039 states and 42085 transitions. [2019-12-18 23:45:07,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:45:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 9039 states and 42085 transitions. [2019-12-18 23:45:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-18 23:45:07,506 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:45:07,507 INFO L411 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] [2019-12-18 23:45:07,507 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:45:07,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:45:07,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1761595179, now seen corresponding path program 1 times [2019-12-18 23:45:07,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:45:07,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175935723] [2019-12-18 23:45:07,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:45:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:45:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:45:07,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175935723] [2019-12-18 23:45:07,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:45:07,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:45:07,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783725604] [2019-12-18 23:45:07,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:45:07,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:45:07,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:45:07,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:45:07,544 INFO L87 Difference]: Start difference. First operand 9039 states and 42085 transitions. Second operand 3 states. [2019-12-18 23:45:07,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:45:07,613 INFO L93 Difference]: Finished difference Result 1551 states and 5125 transitions. [2019-12-18 23:45:07,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:45:07,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-18 23:45:07,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:45:07,644 INFO L225 Difference]: With dead ends: 1551 [2019-12-18 23:45:07,644 INFO L226 Difference]: Without dead ends: 1551 [2019-12-18 23:45:07,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:45:07,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2019-12-18 23:45:07,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1231. [2019-12-18 23:45:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2019-12-18 23:45:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 4101 transitions. [2019-12-18 23:45:07,710 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 4101 transitions. Word has length 25 [2019-12-18 23:45:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:45:07,710 INFO L462 AbstractCegarLoop]: Abstraction has 1231 states and 4101 transitions. [2019-12-18 23:45:07,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:45:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 4101 transitions. [2019-12-18 23:45:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-18 23:45:07,712 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:45:07,712 INFO L411 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] [2019-12-18 23:45:07,712 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:45:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:45:07,713 INFO L82 PathProgramCache]: Analyzing trace with hash -2127597374, now seen corresponding path program 1 times [2019-12-18 23:45:07,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:45:07,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825996436] [2019-12-18 23:45:07,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:45:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:45:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:45:07,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825996436] [2019-12-18 23:45:07,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:45:07,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 23:45:07,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752952578] [2019-12-18 23:45:07,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 23:45:07,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:45:07,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 23:45:07,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-18 23:45:07,797 INFO L87 Difference]: Start difference. First operand 1231 states and 4101 transitions. Second operand 6 states. [2019-12-18 23:45:07,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:45:07,981 INFO L93 Difference]: Finished difference Result 2395 states and 7925 transitions. [2019-12-18 23:45:07,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 23:45:07,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-12-18 23:45:07,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:45:07,992 INFO L225 Difference]: With dead ends: 2395 [2019-12-18 23:45:07,993 INFO L226 Difference]: Without dead ends: 2395 [2019-12-18 23:45:07,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-18 23:45:08,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2019-12-18 23:45:08,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2075. [2019-12-18 23:45:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2075 states. [2019-12-18 23:45:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 6901 transitions. [2019-12-18 23:45:08,064 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 6901 transitions. Word has length 27 [2019-12-18 23:45:08,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:45:08,065 INFO L462 AbstractCegarLoop]: Abstraction has 2075 states and 6901 transitions. [2019-12-18 23:45:08,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 23:45:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 6901 transitions. [2019-12-18 23:45:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-18 23:45:08,069 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:45:08,070 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:45:08,070 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:45:08,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:45:08,070 INFO L82 PathProgramCache]: Analyzing trace with hash -186680494, now seen corresponding path program 1 times [2019-12-18 23:45:08,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:45:08,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859063271] [2019-12-18 23:45:08,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:45:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:45:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:45:08,134 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:45:08,134 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:45:08,135 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:45:08,135 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-18 23:45:08,158 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,159 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,159 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,159 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,160 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,160 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,160 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,160 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,161 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,161 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,161 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,161 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,161 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,162 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,162 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,162 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,162 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,162 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,164 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,164 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,164 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,164 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,165 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,165 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,170 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,170 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,172 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,172 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,174 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,174 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,175 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,175 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,175 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,175 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,176 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,176 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,177 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,177 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,178 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,178 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,179 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,180 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,180 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,180 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,182 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,183 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,183 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,183 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,186 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,187 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,187 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,187 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,191 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,191 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,199 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,200 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,201 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,201 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,201 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,204 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,204 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,204 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,205 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:45:08,208 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 23:45:08,209 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:45:08,209 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:45:08,209 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:45:08,209 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:45:08,209 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:45:08,209 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:45:08,209 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:45:08,209 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:45:08,212 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 113 places, 116 transitions Received shutdown request... [2019-12-18 23:49:21,593 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-18 23:49:21,597 WARN L227 ceAbstractionStarter]: Timeout [2019-12-18 23:49:21,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:49:21 BasicIcfg [2019-12-18 23:49:21,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:49:21,601 INFO L168 Benchmark]: Toolchain (without parser) took 274426.89 ms. Allocated memory was 145.8 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 102.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-12-18 23:49:21,601 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 23:49:21,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.06 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 163.2 MB in the end (delta: -61.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-12-18 23:49:21,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.39 ms. Allocated memory is still 203.9 MB. Free memory was 163.2 MB in the beginning and 161.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:49:21,604 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 ms. Allocated memory is still 203.9 MB. Free memory was 161.3 MB in the beginning and 159.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:49:21,605 INFO L168 Benchmark]: RCFGBuilder took 424.90 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 140.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-12-18 23:49:21,606 INFO L168 Benchmark]: TraceAbstraction took 273207.54 ms. Allocated memory was 203.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 140.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-12-18 23:49:21,610 INFO L335 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 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.06 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 163.2 MB in the end (delta: -61.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.39 ms. Allocated memory is still 203.9 MB. Free memory was 163.2 MB in the beginning and 161.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.71 ms. Allocated memory is still 203.9 MB. Free memory was 161.3 MB in the beginning and 159.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 424.90 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 140.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 273207.54 ms. Allocated memory was 203.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 140.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 706]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 706). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 113 places, 116 transitions. Already constructed 310399 states. Currently 62339 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 41 locations, 1 error locations. Result: TIMEOUT, OverallTime: 253.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown