/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/xcsp/Dubois-024.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 06:54:07,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 06:54:07,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 06:54:07,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 06:54:07,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 06:54:07,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 06:54:07,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 06:54:07,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 06:54:07,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 06:54:07,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 06:54:07,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 06:54:07,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 06:54:07,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 06:54:07,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 06:54:07,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 06:54:07,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 06:54:07,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 06:54:07,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 06:54:07,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 06:54:07,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 06:54:07,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 06:54:07,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 06:54:07,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 06:54:07,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 06:54:07,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 06:54:07,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 06:54:07,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 06:54:07,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 06:54:07,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 06:54:07,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 06:54:07,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 06:54:07,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 06:54:07,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 06:54:07,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 06:54:07,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 06:54:07,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 06:54:07,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 06:54:07,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 06:54:07,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 06:54:07,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 06:54:07,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 06:54:07,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 06:54:07,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 06:54:07,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 06:54:07,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 06:54:07,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 06:54:07,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 06:54:07,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 06:54:07,776 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 06:54:07,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 06:54:07,777 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 06:54:07,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 06:54:07,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 06:54:07,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 06:54:07,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 06:54:07,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 06:54:07,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 06:54:07,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 06:54:07,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 06:54:07,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 06:54:07,780 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 06:54:07,780 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 06:54:07,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 06:54:07,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 06:54:07,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 06:54:07,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 06:54:07,965 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 06:54:07,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Dubois-024.c [2022-01-11 06:54:08,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689649308/0372c2995aa24b579eb49d1299f21645/FLAG7aa73b0f1 [2022-01-11 06:54:08,379 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 06:54:08,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-024.c [2022-01-11 06:54:08,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689649308/0372c2995aa24b579eb49d1299f21645/FLAG7aa73b0f1 [2022-01-11 06:54:08,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689649308/0372c2995aa24b579eb49d1299f21645 [2022-01-11 06:54:08,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 06:54:08,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 06:54:08,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 06:54:08,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 06:54:08,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 06:54:08,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e14f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08, skipping insertion in model container [2022-01-11 06:54:08,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 06:54:08,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 06:54:08,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-024.c[17136,17149] [2022-01-11 06:54:08,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 06:54:08,649 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 06:54:08,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-024.c[17136,17149] [2022-01-11 06:54:08,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 06:54:08,719 INFO L208 MainTranslator]: Completed translation [2022-01-11 06:54:08,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08 WrapperNode [2022-01-11 06:54:08,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 06:54:08,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 06:54:08,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 06:54:08,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 06:54:08,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,813 INFO L137 Inliner]: procedures = 13, calls = 199, calls flagged for inlining = 194, calls inlined = 194, statements flattened = 1001 [2022-01-11 06:54:08,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 06:54:08,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 06:54:08,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 06:54:08,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 06:54:08,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 06:54:08,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 06:54:08,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 06:54:08,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 06:54:08,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (1/1) ... [2022-01-11 06:54:08,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 06:54:08,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 06:54:08,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 06:54:08,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 06:54:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 06:54:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 06:54:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 06:54:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 06:54:09,026 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 06:54:09,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 06:54:09,592 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 06:54:09,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 06:54:09,600 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 06:54:09,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:54:09 BoogieIcfgContainer [2022-01-11 06:54:09,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 06:54:09,602 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 06:54:09,602 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 06:54:09,603 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 06:54:09,605 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:54:09" (1/1) ... [2022-01-11 06:54:11,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 06:54:11 BasicIcfg [2022-01-11 06:54:11,529 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 06:54:11,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 06:54:11,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 06:54:11,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 06:54:11,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 06:54:08" (1/4) ... [2022-01-11 06:54:11,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1806008c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 06:54:11, skipping insertion in model container [2022-01-11 06:54:11,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:54:08" (2/4) ... [2022-01-11 06:54:11,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1806008c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 06:54:11, skipping insertion in model container [2022-01-11 06:54:11,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:54:09" (3/4) ... [2022-01-11 06:54:11,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1806008c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 06:54:11, skipping insertion in model container [2022-01-11 06:54:11,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 06:54:11" (4/4) ... [2022-01-11 06:54:11,537 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-024.cTransformedIcfg [2022-01-11 06:54:11,541 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 06:54:11,542 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 06:54:11,673 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 06:54:11,678 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 06:54:11,679 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 06:54:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 389 states have (on average 1.4961439588688945) internal successors, (582), 390 states have internal predecessors, (582), 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) [2022-01-11 06:54:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-01-11 06:54:11,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:54:11,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:54:11,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:54:11,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:54:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1011683988, now seen corresponding path program 1 times [2022-01-11 06:54:11,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:54:11,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662687755] [2022-01-11 06:54:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:54:11,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:54:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:54:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:54:12,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:54:12,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662687755] [2022-01-11 06:54:12,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662687755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:54:12,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:54:12,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 06:54:12,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363725662] [2022-01-11 06:54:12,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:54:12,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 06:54:12,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:54:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 06:54:12,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 06:54:12,789 INFO L87 Difference]: Start difference. First operand has 391 states, 389 states have (on average 1.4961439588688945) internal successors, (582), 390 states have internal predecessors, (582), 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 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2022-01-11 06:54:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:54:12,830 INFO L93 Difference]: Finished difference Result 776 states and 1158 transitions. [2022-01-11 06:54:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 06:54:12,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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 387 [2022-01-11 06:54:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:54:12,847 INFO L225 Difference]: With dead ends: 776 [2022-01-11 06:54:12,847 INFO L226 Difference]: Without dead ends: 388 [2022-01-11 06:54:12,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 06:54:12,859 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:54:12,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:54:12,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-01-11 06:54:12,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2022-01-11 06:54:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 387 states have (on average 1.0) internal successors, (387), 387 states have internal predecessors, (387), 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) [2022-01-11 06:54:12,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 387 transitions. [2022-01-11 06:54:12,910 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 387 transitions. Word has length 387 [2022-01-11 06:54:12,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:54:12,911 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 387 transitions. [2022-01-11 06:54:12,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2022-01-11 06:54:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 387 transitions. [2022-01-11 06:54:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-01-11 06:54:12,924 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:54:12,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:54:12,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 06:54:12,925 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:54:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:54:12,927 INFO L85 PathProgramCache]: Analyzing trace with hash -240292280, now seen corresponding path program 1 times [2022-01-11 06:54:12,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:54:12,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567816537] [2022-01-11 06:54:12,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:54:12,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms