/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:29:44,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:29:44,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:29:44,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:29:44,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:29:44,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:29:44,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:29:44,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:29:44,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:29:44,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:29:44,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:29:44,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:29:44,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:29:44,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:29:44,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:29:44,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:29:44,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:29:44,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:29:45,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:29:45,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:29:45,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:29:45,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:29:45,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:29:45,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:29:45,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 12:29:45,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 12:29:45,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 12:29:45,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 12:29:45,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 12:29:45,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 12:29:45,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:29:45,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:29:45,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:29:45,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:29:45,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:29:45,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:29:45,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:29:45,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:29:45,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:29:45,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:29:45,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:29:45,043 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-New_States.epf [2020-11-12 12:29:45,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:29:45,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:29:45,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:29:45,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:29:45,073 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:29:45,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:29:45,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:29:45,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:29:45,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:29:45,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:29:45,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:29:45,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:29:45,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:29:45,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:29:45,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:29:45,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:29:45,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:29:45,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:29:45,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:29:45,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:29:45,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:29:45,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:29:45,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:29:45,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:29:45,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:29:45,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:29:45,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:29:45,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:29:45,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:29:45,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:29:45,078 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:29:45,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:29:45,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:29:45,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:29:45,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:29:45,487 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:29:45,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-11-12 12:29:45,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4be1743e/1380afac4bb141f5ad663245ec578cd5/FLAG7e96a5bfe [2020-11-12 12:29:46,386 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:29:46,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-11-12 12:29:46,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4be1743e/1380afac4bb141f5ad663245ec578cd5/FLAG7e96a5bfe [2020-11-12 12:29:46,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4be1743e/1380afac4bb141f5ad663245ec578cd5 [2020-11-12 12:29:46,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:29:46,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:29:46,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:29:46,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:29:46,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:29:46,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:29:46" (1/1) ... [2020-11-12 12:29:46,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437a8b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:46, skipping insertion in model container [2020-11-12 12:29:46,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:29:46" (1/1) ... [2020-11-12 12:29:46,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:29:46,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:29:47,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:29:47,183 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:29:47,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:29:47,406 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:29:47,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47 WrapperNode [2020-11-12 12:29:47,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:29:47,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:29:47,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:29:47,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:29:47,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:29:47,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:29:47,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:29:47,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:29:47,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (1/1) ... [2020-11-12 12:29:47,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:29:47,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:29:47,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:29:47,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:29:47,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (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 [2020-11-12 12:29:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:29:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:29:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:29:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:29:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:29:47,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:29:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:29:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:29:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:29:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:29:47,652 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 12:29:48,225 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:29:48,226 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:29:48,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:48 BoogieIcfgContainer [2020-11-12 12:29:48,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:29:48,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:29:48,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:29:48,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:29:48,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:29:46" (1/3) ... [2020-11-12 12:29:48,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48433120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:29:48, skipping insertion in model container [2020-11-12 12:29:48,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:47" (2/3) ... [2020-11-12 12:29:48,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48433120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:29:48, skipping insertion in model container [2020-11-12 12:29:48,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:48" (3/3) ... [2020-11-12 12:29:48,239 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-11-12 12:29:48,256 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:29:48,256 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:29:48,260 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:29:48,261 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:29:48,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:29:48,318 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:29:48,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 12:29:48,368 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:29:48,369 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:29:48,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:29:48,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:29:48,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:29:48,370 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:29:48,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:29:48,371 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:29:48,387 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 65 transitions, 140 flow [2020-11-12 12:29:48,502 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:48,847 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 341ms [2020-11-12 12:29:48,852 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:48,861 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 4081 states, 3682 states have (on average 1.1735469853340577) internal successors, (4321), 4080 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 4081 states, 3682 states have (on average 1.1735469853340577) internal successors, (4321), 4080 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-12 12:29:48,883 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:29:48,884 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:29:48,885 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:29:48,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:29:48,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1210534896, now seen corresponding path program 1 times [2020-11-12 12:29:48,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:29:48,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149339271] [2020-11-12 12:29:48,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:29:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:29:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:29:49,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149339271] [2020-11-12 12:29:49,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:29:49,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:29:49,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963680141] [2020-11-12 12:29:49,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:29:49,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:29:49,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:29:49,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:29:49,488 INFO L87 Difference]: Start difference. First operand has 4081 states, 3682 states have (on average 1.1735469853340577) internal successors, (4321), 4080 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:29:49,702 INFO L93 Difference]: Finished difference Result 1688 states and 1835 transitions. [2020-11-12 12:29:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:29:49,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2020-11-12 12:29:49,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:29:49,722 INFO L225 Difference]: With dead ends: 1688 [2020-11-12 12:29:49,723 INFO L226 Difference]: Without dead ends: 599 [2020-11-12 12:29:49,725 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:29:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-12 12:29:49,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2020-11-12 12:29:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 564 states have (on average 1.2127659574468086) internal successors, (684), 598 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 684 transitions. [2020-11-12 12:29:49,837 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 684 transitions. Word has length 37 [2020-11-12 12:29:49,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:29:49,838 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 684 transitions. [2020-11-12 12:29:49,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 684 transitions. [2020-11-12 12:29:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-12 12:29:49,843 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:29:49,843 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:29:49,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:29:49,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:29:49,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:29:49,845 INFO L82 PathProgramCache]: Analyzing trace with hash -315660943, now seen corresponding path program 1 times [2020-11-12 12:29:49,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:29:49,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623112509] [2020-11-12 12:29:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:29:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:29:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:29:50,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623112509] [2020-11-12 12:29:50,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:29:50,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:29:50,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986270] [2020-11-12 12:29:50,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:29:50,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:29:50,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:29:50,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:29:50,061 INFO L87 Difference]: Start difference. First operand 599 states and 684 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:50,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:29:50,272 INFO L93 Difference]: Finished difference Result 754 states and 859 transitions. [2020-11-12 12:29:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:29:50,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2020-11-12 12:29:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:29:50,276 INFO L225 Difference]: With dead ends: 754 [2020-11-12 12:29:50,276 INFO L226 Difference]: Without dead ends: 328 [2020-11-12 12:29:50,277 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:29:50,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-11-12 12:29:50,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2020-11-12 12:29:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 308 states have (on average 1.155844155844156) internal successors, (356), 327 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 356 transitions. [2020-11-12 12:29:50,293 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 356 transitions. Word has length 39 [2020-11-12 12:29:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:29:50,293 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 356 transitions. [2020-11-12 12:29:50,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 356 transitions. [2020-11-12 12:29:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 12:29:50,295 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:29:50,296 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:29:50,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:29:50,296 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:29:50,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:29:50,297 INFO L82 PathProgramCache]: Analyzing trace with hash 457144820, now seen corresponding path program 1 times [2020-11-12 12:29:50,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:29:50,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845542594] [2020-11-12 12:29:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:29:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:29:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:29:50,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845542594] [2020-11-12 12:29:50,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:29:50,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:29:50,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605640406] [2020-11-12 12:29:50,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:29:50,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:29:50,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:29:50,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:29:50,456 INFO L87 Difference]: Start difference. First operand 328 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:29:50,649 INFO L93 Difference]: Finished difference Result 248 states and 276 transitions. [2020-11-12 12:29:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:29:50,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2020-11-12 12:29:50,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:29:50,650 INFO L225 Difference]: With dead ends: 248 [2020-11-12 12:29:50,650 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:29:50,651 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:29:50,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:29:50,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:29:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:29:50,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2020-11-12 12:29:50,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:29:50,652 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:29:50,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:29:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:29:50,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:29:50,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:29:50,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:29:50 BasicIcfg [2020-11-12 12:29:50,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:29:50,662 INFO L168 Benchmark]: Toolchain (without parser) took 4003.77 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.1 MB in the beginning and 258.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:29:50,663 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:29:50,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.42 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 274.7 MB in the end (delta: 792.0 kB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-11-12 12:29:50,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.18 ms. Allocated memory is still 302.0 MB. Free memory was 274.7 MB in the beginning and 273.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:29:50,665 INFO L168 Benchmark]: Boogie Preprocessor took 58.54 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 271.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:29:50,666 INFO L168 Benchmark]: RCFGBuilder took 668.04 ms. Allocated memory is still 302.0 MB. Free memory was 271.5 MB in the beginning and 251.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-11-12 12:29:50,667 INFO L168 Benchmark]: TraceAbstraction took 2427.85 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 251.6 MB in the beginning and 258.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.0 GB. [2020-11-12 12:29:50,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 741.42 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 274.7 MB in the end (delta: 792.0 kB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 86.18 ms. Allocated memory is still 302.0 MB. Free memory was 274.7 MB in the beginning and 273.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 58.54 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 271.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 668.04 ms. Allocated memory is still 302.0 MB. Free memory was 271.5 MB in the beginning and 251.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2427.85 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 251.6 MB in the beginning and 258.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 162 SDtfs, 216 SDslu, 619 SDs, 0 SdLazy, 64 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4081occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 12785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...