/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-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:24:06,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:24:06,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:24:06,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:24:06,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:24:06,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:24:06,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:24:06,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:24:06,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:24:06,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:24:06,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:24:06,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:24:06,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:24:06,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:24:06,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:24:06,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:24:06,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:24:06,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:24:06,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:24:06,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:24:06,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:24:06,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:24:06,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:24:06,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:24:06,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 06:24:06,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 06:24:06,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 06:24:06,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 06:24:06,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 06:24:06,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 06:24:06,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:24:06,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:24:06,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:24:06,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:24:06,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:24:06,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:24:06,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:24:06,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:24:06,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:24:06,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:24:06,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:24:06,752 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-Delay.epf [2020-11-12 06:24:06,814 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:24:06,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:24:06,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:24:06,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:24:06,819 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:24:06,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:24:06,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:24:06,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:24:06,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:24:06,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:24:06,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:24:06,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:24:06,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:24:06,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:24:06,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:24:06,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:24:06,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:24:06,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:24:06,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:24:06,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:24:06,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:24:06,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:24:06,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:24:06,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:24:06,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:24:06,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:24:06,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:24:06,831 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:24:06,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:24:06,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:24:06,831 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:24:07,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:24:07,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:24:07,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:24:07,343 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:24:07,344 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:24:07,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2020-11-12 06:24:07,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f84aa08c/0aa337dfa0fc4c43a34dba278a36713f/FLAG85a52b008 [2020-11-12 06:24:08,165 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:24:08,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2020-11-12 06:24:08,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f84aa08c/0aa337dfa0fc4c43a34dba278a36713f/FLAG85a52b008 [2020-11-12 06:24:08,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f84aa08c/0aa337dfa0fc4c43a34dba278a36713f [2020-11-12 06:24:08,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:24:08,420 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:24:08,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:24:08,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:24:08,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:24:08,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:24:08" (1/1) ... [2020-11-12 06:24:08,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa8f1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:08, skipping insertion in model container [2020-11-12 06:24:08,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:24:08" (1/1) ... [2020-11-12 06:24:08,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:24:08,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:24:08,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:24:08,878 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:24:08,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:24:09,048 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:24:09,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09 WrapperNode [2020-11-12 06:24:09,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:24:09,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:24:09,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:24:09,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:24:09,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:24:09,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:24:09,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:24:09,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:24:09,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (1/1) ... [2020-11-12 06:24:09,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:24:09,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:24:09,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:24:09,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:24:09,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (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 06:24:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:24:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:24:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:24:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:24:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:24:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:24:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:24:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:24:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:24:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:24:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:24:09,285 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 06:24:09,632 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:24:09,632 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:24:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:24:09 BoogieIcfgContainer [2020-11-12 06:24:09,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:24:09,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:24:09,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:24:09,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:24:09,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:24:08" (1/3) ... [2020-11-12 06:24:09,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a10ff68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:24:09, skipping insertion in model container [2020-11-12 06:24:09,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:24:09" (2/3) ... [2020-11-12 06:24:09,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a10ff68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:24:09, skipping insertion in model container [2020-11-12 06:24:09,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:24:09" (3/3) ... [2020-11-12 06:24:09,644 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2020-11-12 06:24:09,662 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:24:09,662 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:24:09,667 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:24:09,668 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:24:09,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,700 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,700 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,701 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,701 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:24:09,719 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:24:09,734 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 06:24:09,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:24:09,762 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:24:09,762 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:24:09,762 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:24:09,762 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:24:09,762 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:24:09,763 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:24:09,763 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:24:09,775 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 63 transitions, 136 flow [2020-11-12 06:24:09,871 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1319 states, 1317 states have (on average 2.7524677296886866) internal successors, (3625), 1318 states have internal predecessors, (3625), 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 06:24:10,237 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 363ms [2020-11-12 06:24:10,241 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 1319 states, 1317 states have (on average 2.7524677296886866) internal successors, (3625), 1318 states have internal predecessors, (3625), 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 06:24:10,244 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 1319 states, 1221 states have (on average 1.298935298935299) internal successors, (1586), 1318 states have internal predecessors, (1586), 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 06:24:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 1319 states, 1221 states have (on average 1.298935298935299) internal successors, (1586), 1318 states have internal predecessors, (1586), 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 06:24:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-12 06:24:10,258 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:10,259 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] [2020-11-12 06:24:10,259 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:10,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1864162051, now seen corresponding path program 1 times [2020-11-12 06:24:10,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:10,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662559222] [2020-11-12 06:24:10,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:10,634 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 06:24:10,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662559222] [2020-11-12 06:24:10,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:10,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:10,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437197417] [2020-11-12 06:24:10,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:10,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:10,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:10,663 INFO L87 Difference]: Start difference. First operand has 1319 states, 1221 states have (on average 1.298935298935299) internal successors, (1586), 1318 states have internal predecessors, (1586), 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 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 06:24:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:10,855 INFO L93 Difference]: Finished difference Result 1713 states and 1853 transitions. [2020-11-12 06:24:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:10,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 35 [2020-11-12 06:24:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:10,877 INFO L225 Difference]: With dead ends: 1713 [2020-11-12 06:24:10,877 INFO L226 Difference]: Without dead ends: 696 [2020-11-12 06:24:10,879 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:10,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-11-12 06:24:10,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2020-11-12 06:24:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 653 states have (on average 1.2388973966309342) internal successors, (809), 695 states have internal predecessors, (809), 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 06:24:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 809 transitions. [2020-11-12 06:24:11,001 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 809 transitions. Word has length 35 [2020-11-12 06:24:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:11,002 INFO L481 AbstractCegarLoop]: Abstraction has 696 states and 809 transitions. [2020-11-12 06:24:11,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 06:24:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 809 transitions. [2020-11-12 06:24:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-12 06:24:11,008 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:11,009 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 06:24:11,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:24:11,009 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:11,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:11,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1847546430, now seen corresponding path program 1 times [2020-11-12 06:24:11,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:11,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364893680] [2020-11-12 06:24:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:11,187 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 06:24:11,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364893680] [2020-11-12 06:24:11,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:11,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:11,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699442956] [2020-11-12 06:24:11,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:11,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:11,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:11,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:11,192 INFO L87 Difference]: Start difference. First operand 696 states and 809 transitions. 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 06:24:11,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:11,331 INFO L93 Difference]: Finished difference Result 820 states and 950 transitions. [2020-11-12 06:24:11,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:11,332 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 06:24:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:11,336 INFO L225 Difference]: With dead ends: 820 [2020-11-12 06:24:11,336 INFO L226 Difference]: Without dead ends: 668 [2020-11-12 06:24:11,337 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:11,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-11-12 06:24:11,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2020-11-12 06:24:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 627 states have (on average 1.240829346092504) internal successors, (778), 667 states have internal predecessors, (778), 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 06:24:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 778 transitions. [2020-11-12 06:24:11,360 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 778 transitions. Word has length 37 [2020-11-12 06:24:11,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:11,361 INFO L481 AbstractCegarLoop]: Abstraction has 668 states and 778 transitions. [2020-11-12 06:24:11,361 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 06:24:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 778 transitions. [2020-11-12 06:24:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 06:24:11,363 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:11,364 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] [2020-11-12 06:24:11,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:24:11,364 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:11,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1291945354, now seen corresponding path program 1 times [2020-11-12 06:24:11,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:11,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469541066] [2020-11-12 06:24:11,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:11,501 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 06:24:11,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469541066] [2020-11-12 06:24:11,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:11,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:11,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681145542] [2020-11-12 06:24:11,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:11,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:11,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:11,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:11,504 INFO L87 Difference]: Start difference. First operand 668 states and 778 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 06:24:11,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:11,639 INFO L93 Difference]: Finished difference Result 1096 states and 1285 transitions. [2020-11-12 06:24:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:11,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 38 [2020-11-12 06:24:11,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:11,644 INFO L225 Difference]: With dead ends: 1096 [2020-11-12 06:24:11,644 INFO L226 Difference]: Without dead ends: 703 [2020-11-12 06:24:11,645 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:11,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-11-12 06:24:11,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 543. [2020-11-12 06:24:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 510 states have (on average 1.2392156862745098) internal successors, (632), 542 states have internal predecessors, (632), 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 06:24:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 632 transitions. [2020-11-12 06:24:11,664 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 632 transitions. Word has length 38 [2020-11-12 06:24:11,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:11,665 INFO L481 AbstractCegarLoop]: Abstraction has 543 states and 632 transitions. [2020-11-12 06:24:11,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 06:24:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 632 transitions. [2020-11-12 06:24:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 06:24:11,667 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:11,667 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] [2020-11-12 06:24:11,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:24:11,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:11,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1369770414, now seen corresponding path program 1 times [2020-11-12 06:24:11,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:11,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821301853] [2020-11-12 06:24:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:11,858 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 06:24:11,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821301853] [2020-11-12 06:24:11,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:11,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:11,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916516647] [2020-11-12 06:24:11,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:11,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:11,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:11,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:11,863 INFO L87 Difference]: Start difference. First operand 543 states and 632 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 06:24:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:12,003 INFO L93 Difference]: Finished difference Result 859 states and 987 transitions. [2020-11-12 06:24:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 38 [2020-11-12 06:24:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:12,007 INFO L225 Difference]: With dead ends: 859 [2020-11-12 06:24:12,007 INFO L226 Difference]: Without dead ends: 479 [2020-11-12 06:24:12,008 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-11-12 06:24:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 319. [2020-11-12 06:24:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 294 states have (on average 1.1938775510204083) internal successors, (351), 318 states have internal predecessors, (351), 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 06:24:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 351 transitions. [2020-11-12 06:24:12,020 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 351 transitions. Word has length 38 [2020-11-12 06:24:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:12,020 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 351 transitions. [2020-11-12 06:24:12,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 06:24:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 351 transitions. [2020-11-12 06:24:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-12 06:24:12,022 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:12,022 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 06:24:12,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:24:12,023 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:12,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:12,023 INFO L82 PathProgramCache]: Analyzing trace with hash 306669119, now seen corresponding path program 1 times [2020-11-12 06:24:12,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:12,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918450624] [2020-11-12 06:24:12,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:12,137 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 06:24:12,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918450624] [2020-11-12 06:24:12,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:12,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:24:12,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681481755] [2020-11-12 06:24:12,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:24:12,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:12,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:24:12,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:24:12,140 INFO L87 Difference]: Start difference. First operand 319 states and 351 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 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 06:24:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:12,276 INFO L93 Difference]: Finished difference Result 308 states and 331 transitions. [2020-11-12 06:24:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:24:12,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 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 06:24:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:12,279 INFO L225 Difference]: With dead ends: 308 [2020-11-12 06:24:12,279 INFO L226 Difference]: Without dead ends: 263 [2020-11-12 06:24:12,279 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:12,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-11-12 06:24:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2020-11-12 06:24:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 242 states have (on average 1.1818181818181819) internal successors, (286), 262 states have internal predecessors, (286), 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 06:24:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 286 transitions. [2020-11-12 06:24:12,292 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 286 transitions. Word has length 39 [2020-11-12 06:24:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:12,297 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 286 transitions. [2020-11-12 06:24:12,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 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 06:24:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2020-11-12 06:24:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-12 06:24:12,299 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:24:12,301 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] [2020-11-12 06:24:12,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:24:12,301 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:24:12,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:24:12,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1264066346, now seen corresponding path program 1 times [2020-11-12 06:24:12,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:24:12,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028760746] [2020-11-12 06:24:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:24:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:24:12,431 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 06:24:12,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028760746] [2020-11-12 06:24:12,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:24:12,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:24:12,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219331641] [2020-11-12 06:24:12,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:24:12,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:24:12,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:24:12,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:24:12,434 INFO L87 Difference]: Start difference. First operand 263 states and 286 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 06:24:12,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:24:12,508 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2020-11-12 06:24:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:24:12,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 41 [2020-11-12 06:24:12,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:24:12,509 INFO L225 Difference]: With dead ends: 89 [2020-11-12 06:24:12,509 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:24:12,509 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:24:12,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:24:12,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:24:12,510 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 06:24:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:24:12,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-11-12 06:24:12,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:24:12,511 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:24:12,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 06:24:12,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:24:12,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:24:12,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:24:12,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:24:12 BasicIcfg [2020-11-12 06:24:12,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:24:12,519 INFO L168 Benchmark]: Toolchain (without parser) took 4103.90 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.5 MB in the beginning and 248.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.0 GB. [2020-11-12 06:24:12,520 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:24:12,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.99 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 246.6 MB in the end (delta: 30.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2020-11-12 06:24:12,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.20 ms. Allocated memory is still 302.0 MB. Free memory was 246.6 MB in the beginning and 244.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:24:12,522 INFO L168 Benchmark]: Boogie Preprocessor took 39.57 ms. Allocated memory is still 302.0 MB. Free memory was 244.7 MB in the beginning and 243.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:24:12,523 INFO L168 Benchmark]: RCFGBuilder took 462.65 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 266.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:24:12,524 INFO L168 Benchmark]: TraceAbstraction took 2880.19 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 266.6 MB in the beginning and 248.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 16.0 GB. [2020-11-12 06:24:12,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 628.99 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 246.6 MB in the end (delta: 30.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 78.20 ms. Allocated memory is still 302.0 MB. Free memory was 246.6 MB in the beginning and 244.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.57 ms. Allocated memory is still 302.0 MB. Free memory was 244.7 MB in the beginning and 243.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 462.65 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 266.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2880.19 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 266.6 MB in the beginning and 248.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 78.8 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 321 SDtfs, 296 SDslu, 1145 SDs, 0 SdLazy, 139 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1319occurred 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, 6 MinimizatonAttempts, 320 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...