/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_BITWISE.epf -i ../../../trunk/examples/svcomp/xcsp/Dubois-035.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 13:27:14,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 13:27:14,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 13:27:14,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 13:27:14,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 13:27:14,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 13:27:14,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 13:27:14,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 13:27:14,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 13:27:14,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 13:27:14,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 13:27:14,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 13:27:14,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 13:27:14,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 13:27:14,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 13:27:14,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 13:27:14,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 13:27:14,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 13:27:14,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 13:27:14,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 13:27:14,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 13:27:14,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 13:27:14,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 13:27:14,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 13:27:14,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 13:27:14,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 13:27:14,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 13:27:14,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 13:27:14,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 13:27:14,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 13:27:14,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 13:27:14,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 13:27:14,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 13:27:14,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 13:27:14,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 13:27:14,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 13:27:14,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 13:27:14,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 13:27:14,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 13:27:14,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 13:27:14,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 13:27:14,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 13:27:14,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 13:27:14,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 13:27:14,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 13:27:14,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 13:27:14,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 13:27:14,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 13:27:14,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 13:27:14,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 13:27:14,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 13:27:14,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 13:27:14,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 13:27:14,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 13:27:14,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 13:27:14,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 13:27:14,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 13:27:14,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 13:27:14,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 13:27:14,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 13:27:14,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 13:27:14,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 13:27:14,916 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 13:27:14,916 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 13:27:15,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 13:27:15,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 13:27:15,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 13:27:15,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 13:27:15,154 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 13:27:15,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Dubois-035.c [2022-01-10 13:27:15,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6204033/9f3ddc96619640c18db61a6ec3eb8ce2/FLAGa3762c840 [2022-01-10 13:27:15,689 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 13:27:15,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-035.c [2022-01-10 13:27:15,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6204033/9f3ddc96619640c18db61a6ec3eb8ce2/FLAGa3762c840 [2022-01-10 13:27:16,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6204033/9f3ddc96619640c18db61a6ec3eb8ce2 [2022-01-10 13:27:16,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 13:27:16,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 13:27:16,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 13:27:16,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 13:27:16,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 13:27:16,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1671a82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16, skipping insertion in model container [2022-01-10 13:27:16,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 13:27:16,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 13:27:16,568 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-035.c[24720,24733] [2022-01-10 13:27:16,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 13:27:16,594 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 13:27:16,662 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-035.c[24720,24733] [2022-01-10 13:27:16,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 13:27:16,676 INFO L208 MainTranslator]: Completed translation [2022-01-10 13:27:16,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16 WrapperNode [2022-01-10 13:27:16,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 13:27:16,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 13:27:16,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 13:27:16,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 13:27:16,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,771 INFO L137 Inliner]: procedures = 13, calls = 287, calls flagged for inlining = 282, calls inlined = 282, statements flattened = 1452 [2022-01-10 13:27:16,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 13:27:16,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 13:27:16,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 13:27:16,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 13:27:16,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 13:27:16,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 13:27:16,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 13:27:16,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 13:27:16,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (1/1) ... [2022-01-10 13:27:16,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 13:27:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 13:27:16,925 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) [2022-01-10 13:27:16,966 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 [2022-01-10 13:27:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 13:27:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 13:27:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 13:27:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 13:27:17,084 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 13:27:17,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 13:27:17,860 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 13:27:17,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 13:27:17,873 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 13:27:17,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:27:17 BoogieIcfgContainer [2022-01-10 13:27:17,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 13:27:17,879 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 13:27:17,879 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 13:27:17,880 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 13:27:17,882 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:27:17" (1/1) ... [2022-01-10 13:27:20,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 01:27:20 BasicIcfg [2022-01-10 13:27:20,256 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 13:27:20,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 13:27:20,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 13:27:20,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 13:27:20,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:27:16" (1/4) ... [2022-01-10 13:27:20,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4789fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:27:20, skipping insertion in model container [2022-01-10 13:27:20,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:27:16" (2/4) ... [2022-01-10 13:27:20,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4789fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:27:20, skipping insertion in model container [2022-01-10 13:27:20,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:27:17" (3/4) ... [2022-01-10 13:27:20,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4789fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:27:20, skipping insertion in model container [2022-01-10 13:27:20,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 01:27:20" (4/4) ... [2022-01-10 13:27:20,261 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-035.cTransformedIcfg [2022-01-10 13:27:20,265 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 13:27:20,265 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 13:27:20,305 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 13:27:20,313 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 [2022-01-10 13:27:20,313 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 13:27:20,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 565 states have (on average 1.497345132743363) internal successors, (846), 566 states have internal predecessors, (846), 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) [2022-01-10 13:27:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2022-01-10 13:27:20,364 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 13:27:20,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 13:27:20,365 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 13:27:20,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 13:27:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash 684901273, now seen corresponding path program 1 times [2022-01-10 13:27:20,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 13:27:20,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622669708] [2022-01-10 13:27:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 13:27:20,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 13:27:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 13:27:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 13:27:21,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 13:27:21,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622669708] [2022-01-10 13:27:21,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622669708] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 13:27:21,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 13:27:21,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 13:27:21,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545489872] [2022-01-10 13:27:21,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 13:27:21,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 13:27:21,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 13:27:21,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 13:27:21,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 13:27:21,966 INFO L87 Difference]: Start difference. First operand has 567 states, 565 states have (on average 1.497345132743363) internal successors, (846), 566 states have internal predecessors, (846), 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 281.5) internal successors, (563), 2 states have internal predecessors, (563), 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) [2022-01-10 13:27:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 13:27:21,994 INFO L93 Difference]: Finished difference Result 1128 states and 1686 transitions. [2022-01-10 13:27:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 13:27:21,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 281.5) internal successors, (563), 2 states have internal predecessors, (563), 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 563 [2022-01-10 13:27:21,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 13:27:22,005 INFO L225 Difference]: With dead ends: 1128 [2022-01-10 13:27:22,005 INFO L226 Difference]: Without dead ends: 564 [2022-01-10 13:27:22,008 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 [2022-01-10 13:27:22,011 INFO L933 BasicCegarLoop]: 563 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, 563 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 [2022-01-10 13:27:22,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 13:27:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-01-10 13:27:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 564. [2022-01-10 13:27:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 563 states have (on average 1.0) internal successors, (563), 563 states have internal predecessors, (563), 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) [2022-01-10 13:27:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 563 transitions. [2022-01-10 13:27:22,049 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 563 transitions. Word has length 563 [2022-01-10 13:27:22,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 13:27:22,050 INFO L470 AbstractCegarLoop]: Abstraction has 564 states and 563 transitions. [2022-01-10 13:27:22,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 281.5) internal successors, (563), 2 states have internal predecessors, (563), 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) [2022-01-10 13:27:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 563 transitions. [2022-01-10 13:27:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2022-01-10 13:27:22,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 13:27:22,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 13:27:22,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 13:27:22,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 13:27:22,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 13:27:22,057 INFO L85 PathProgramCache]: Analyzing trace with hash -541692960, now seen corresponding path program 1 times [2022-01-10 13:27:22,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 13:27:22,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710446168] [2022-01-10 13:27:22,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 13:27:22,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms