/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/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 08:39:00,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 08:39:00,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 08:39:00,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 08:39:00,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 08:39:00,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 08:39:00,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 08:39:00,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 08:39:00,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 08:39:00,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 08:39:00,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 08:39:00,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 08:39:00,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 08:39:00,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 08:39:00,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 08:39:00,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 08:39:00,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 08:39:00,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 08:39:00,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 08:39:00,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 08:39:00,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 08:39:00,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 08:39:00,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 08:39:00,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 08:39:00,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 08:39:00,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 08:39:00,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 08:39:00,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 08:39:00,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 08:39:00,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 08:39:00,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 08:39:00,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 08:39:00,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 08:39:00,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 08:39:00,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 08:39:00,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 08:39:00,947 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 08:39:00,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 08:39:00,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 08:39:00,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 08:39:00,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 08:39:00,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 08:39:00,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 08:39:00,980 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 08:39:00,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 08:39:00,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 08:39:00,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 08:39:00,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 08:39:00,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 08:39:00,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 08:39:00,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 08:39:00,982 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 08:39:00,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 08:39:00,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 08:39:00,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 08:39:00,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 08:39:00,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 08:39:00,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 08:39:00,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 08:39:00,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 08:39:00,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 08:39:00,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 08:39:00,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 08:39:00,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 08:39:00,983 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 08:39:00,984 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 08:39:00,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 08:39:00,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 08:39:00,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 08:39:00,985 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 08:39:00,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 08:39:01,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 08:39:01,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 08:39:01,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 08:39:01,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 08:39:01,174 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 08:39:01,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2022-01-10 08:39:01,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091cd567a/23a6deda94294e978f22b60597a2f6ee/FLAG33c884b97 [2022-01-10 08:39:01,675 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 08:39:01,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2022-01-10 08:39:01,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091cd567a/23a6deda94294e978f22b60597a2f6ee/FLAG33c884b97 [2022-01-10 08:39:02,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091cd567a/23a6deda94294e978f22b60597a2f6ee [2022-01-10 08:39:02,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 08:39:02,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 08:39:02,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 08:39:02,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 08:39:02,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 08:39:02,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bda15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02, skipping insertion in model container [2022-01-10 08:39:02,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 08:39:02,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 08:39:02,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c[7920,7933] [2022-01-10 08:39:02,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 08:39:02,503 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 08:39:02,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c[7920,7933] [2022-01-10 08:39:02,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 08:39:02,582 INFO L208 MainTranslator]: Completed translation [2022-01-10 08:39:02,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02 WrapperNode [2022-01-10 08:39:02,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 08:39:02,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 08:39:02,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 08:39:02,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 08:39:02,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,635 INFO L137 Inliner]: procedures = 21, calls = 199, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 359 [2022-01-10 08:39:02,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 08:39:02,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 08:39:02,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 08:39:02,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 08:39:02,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 08:39:02,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 08:39:02,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 08:39:02,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 08:39:02,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (1/1) ... [2022-01-10 08:39:02,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 08:39:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:39:02,726 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 08:39:02,763 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 08:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 08:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-01-10 08:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 08:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 08:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 08:39:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 08:39:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 08:39:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 08:39:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 08:39:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 08:39:02,924 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 08:39:02,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 08:39:03,533 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 08:39:03,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 08:39:03,540 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 08:39:03,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:39:03 BoogieIcfgContainer [2022-01-10 08:39:03,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 08:39:03,543 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 08:39:03,543 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 08:39:03,544 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 08:39:03,546 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:39:03" (1/1) ... [2022-01-10 08:39:03,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:39:03 BasicIcfg [2022-01-10 08:39:03,692 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 08:39:03,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 08:39:03,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 08:39:03,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 08:39:03,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 08:39:02" (1/4) ... [2022-01-10 08:39:03,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4669ae9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:39:03, skipping insertion in model container [2022-01-10 08:39:03,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:39:02" (2/4) ... [2022-01-10 08:39:03,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4669ae9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:39:03, skipping insertion in model container [2022-01-10 08:39:03,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:39:03" (3/4) ... [2022-01-10 08:39:03,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4669ae9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:39:03, skipping insertion in model container [2022-01-10 08:39:03,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:39:03" (4/4) ... [2022-01-10 08:39:03,702 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+cfa-reducer.cTransformedIcfg [2022-01-10 08:39:03,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 08:39:03,706 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 08:39:03,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 08:39:03,776 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 08:39:03,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 08:39:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 08:39:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 08:39:03,792 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:39:03,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 08:39:03,793 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:39:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:39:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1539350316, now seen corresponding path program 1 times [2022-01-10 08:39:03,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:39:03,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774079149] [2022-01-10 08:39:03,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:39:03,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:39:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:39:04,258 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 08:39:04,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:39:04,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774079149] [2022-01-10 08:39:04,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774079149] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:39:04,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:39:04,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 08:39:04,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277609060] [2022-01-10 08:39:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:39:04,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 08:39:04,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:39:04,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 08:39:04,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 08:39:04,288 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 08:39:04,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:39:04,331 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-01-10 08:39:04,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 08:39:04,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-01-10 08:39:04,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:39:04,338 INFO L225 Difference]: With dead ends: 34 [2022-01-10 08:39:04,339 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 08:39:04,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 08:39:04,343 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 08:39:04,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 08:39:04,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 08:39:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-01-10 08:39:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 08:39:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-01-10 08:39:04,369 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2022-01-10 08:39:04,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:39:04,370 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-01-10 08:39:04,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 08:39:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-01-10 08:39:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 08:39:04,370 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:39:04,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 08:39:04,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 08:39:04,371 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:39:04,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:39:04,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1539380107, now seen corresponding path program 1 times [2022-01-10 08:39:04,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:39:04,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822444975] [2022-01-10 08:39:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:39:04,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:39:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:39:04,483 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 08:39:04,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:39:04,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822444975] [2022-01-10 08:39:04,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822444975] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:39:04,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:39:04,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 08:39:04,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944272781] [2022-01-10 08:39:04,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:39:04,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 08:39:04,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:39:04,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 08:39:04,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 08:39:04,487 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 08:39:04,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:39:04,532 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-01-10 08:39:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 08:39:04,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-01-10 08:39:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:39:04,533 INFO L225 Difference]: With dead ends: 30 [2022-01-10 08:39:04,533 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 08:39:04,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 08:39:04,535 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 08:39:04,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 08:39:04,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 08:39:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2022-01-10 08:39:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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 08:39:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-01-10 08:39:04,539 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 9 [2022-01-10 08:39:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:39:04,539 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-01-10 08:39:04,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 08:39:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-01-10 08:39:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 08:39:04,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:39:04,540 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 08:39:04,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 08:39:04,540 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:39:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:39:04,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1107632750, now seen corresponding path program 1 times [2022-01-10 08:39:04,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:39:04,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784972003] [2022-01-10 08:39:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:39:04,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:39:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:39:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:04,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:39:04,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784972003] [2022-01-10 08:39:04,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784972003] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 08:39:04,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474263389] [2022-01-10 08:39:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:39:04,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:39:04,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:39:04,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:39:04,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 08:39:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:39:05,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 08:39:05,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:39:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:05,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 08:39:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:05,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474263389] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 08:39:05,302 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 08:39:05,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-01-10 08:39:05,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84298473] [2022-01-10 08:39:05,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 08:39:05,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 08:39:05,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:39:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 08:39:05,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-10 08:39:05,307 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 08:39:07,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 08:39:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:39:07,411 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-01-10 08:39:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 08:39:07,412 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 15 [2022-01-10 08:39:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:39:07,413 INFO L225 Difference]: With dead ends: 49 [2022-01-10 08:39:07,413 INFO L226 Difference]: Without dead ends: 39 [2022-01-10 08:39:07,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-01-10 08:39:07,414 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 37 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-10 08:39:07,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 34 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-10 08:39:07,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-01-10 08:39:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2022-01-10 08:39:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 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) [2022-01-10 08:39:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2022-01-10 08:39:07,420 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 15 [2022-01-10 08:39:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:39:07,420 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2022-01-10 08:39:07,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 08:39:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2022-01-10 08:39:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 08:39:07,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:39:07,422 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2022-01-10 08:39:07,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 08:39:07,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:39:07,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:39:07,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:39:07,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1656009767, now seen corresponding path program 2 times [2022-01-10 08:39:07,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:39:07,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502878028] [2022-01-10 08:39:07,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:39:07,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:39:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:39:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:07,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:39:07,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502878028] [2022-01-10 08:39:07,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502878028] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 08:39:07,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113397368] [2022-01-10 08:39:07,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 08:39:07,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:39:07,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:39:07,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:39:07,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 08:39:08,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 08:39:08,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 08:39:08,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-10 08:39:08,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:39:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:08,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 08:39:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:09,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113397368] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 08:39:09,097 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 08:39:09,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 23 [2022-01-10 08:39:09,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392125089] [2022-01-10 08:39:09,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 08:39:09,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-10 08:39:09,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:39:09,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-10 08:39:09,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-01-10 08:39:09,100 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 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 08:39:11,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 08:39:12,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:39:12,314 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2022-01-10 08:39:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 08:39:12,315 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 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 33 [2022-01-10 08:39:12,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:39:12,319 INFO L225 Difference]: With dead ends: 85 [2022-01-10 08:39:12,319 INFO L226 Difference]: Without dead ends: 75 [2022-01-10 08:39:12,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=349, Invalid=911, Unknown=0, NotChecked=0, Total=1260 [2022-01-10 08:39:12,323 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 167 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-01-10 08:39:12,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 93 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 245 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-01-10 08:39:12,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-01-10 08:39:12,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2022-01-10 08:39:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 69 states have internal predecessors, (71), 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 08:39:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2022-01-10 08:39:12,336 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 33 [2022-01-10 08:39:12,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:39:12,336 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2022-01-10 08:39:12,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 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 08:39:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2022-01-10 08:39:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 08:39:12,338 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:39:12,338 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2022-01-10 08:39:12,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 08:39:12,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-10 08:39:12,546 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:39:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:39:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash 80011153, now seen corresponding path program 3 times [2022-01-10 08:39:12,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:39:12,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000201223] [2022-01-10 08:39:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:39:12,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:39:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:39:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 20 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 08:39:12,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:39:12,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000201223] [2022-01-10 08:39:12,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000201223] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 08:39:12,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45632549] [2022-01-10 08:39:12,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-10 08:39:12,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:39:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:39:12,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:39:12,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 08:39:13,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-10 08:39:13,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 08:39:13,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-10 08:39:13,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:39:14,557 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 08:39:14,558 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-01-10 08:39:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 56 proven. 39 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-10 08:39:16,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 08:39:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 20 proven. 75 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-10 08:39:18,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45632549] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 08:39:18,245 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 08:39:18,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 10] total 29 [2022-01-10 08:39:18,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278273517] [2022-01-10 08:39:18,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 08:39:18,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-10 08:39:18,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:39:18,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-10 08:39:18,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=666, Unknown=0, NotChecked=0, Total=812 [2022-01-10 08:39:18,248 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 29 states have internal predecessors, (101), 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 08:39:20,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 08:39:22,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 08:39:27,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:39:27,500 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-01-10 08:39:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-10 08:39:27,503 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 29 states have internal predecessors, (101), 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 69 [2022-01-10 08:39:27,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:39:27,505 INFO L225 Difference]: With dead ends: 85 [2022-01-10 08:39:27,505 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 08:39:27,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 124 SyntacticMatches, 12 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=695, Invalid=2167, Unknown=0, NotChecked=0, Total=2862 [2022-01-10 08:39:27,507 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 307 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 103 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 98 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-01-10 08:39:27,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 97 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 442 Invalid, 1 Unknown, 98 Unchecked, 4.4s Time] [2022-01-10 08:39:27,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 08:39:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 08:39:27,508 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) [2022-01-10 08:39:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 08:39:27,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-01-10 08:39:27,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:39:27,508 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 08:39:27,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 29 states have internal predecessors, (101), 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 08:39:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 08:39:27,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 08:39:27,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 08:39:27,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 08:39:27,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:39:27,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 08:39:28,377 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 08:39:28,378 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 08:39:28,378 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 224) no Hoare annotation was computed. [2022-01-10 08:39:28,378 INFO L861 garLoopResultBuilder]: At program point L221(lines 133 225) the Hoare annotation is: true [2022-01-10 08:39:28,378 INFO L854 garLoopResultBuilder]: At program point L204(lines 167 223) the Hoare annotation is: (let ((.cse0 (= (select (select |#memory_intInt| |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.baseInt|) (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt| 492) 18446744073709551616)) 0)) (.cse1 (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt|)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt| 0))) (or (and (<= ~Id_MCDC_93~0Int 0) .cse0 (= |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int| 0) .cse1 .cse2) (and (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int|) (exists ((|aux_div_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110| Int) (|aux_div_v_ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int_13_95| Int) (|aux_mod_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241| Int) (|aux_div_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241| Int)) (let ((.cse6 (mod (+ (* 12 |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int|) (* |aux_div_v_ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int_13_95| 51539607552) 18446744073709551604) 18446744073709551616)) (.cse9 (* |aux_div_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241| 18446744073709551616))) (let ((.cse4 (+ .cse9 |aux_mod_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241| (* |aux_div_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110| 18446744073709551616))) (.cse3 (+ 18446744073709551616 .cse6)) (.cse5 (+ .cse9 |aux_mod_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241|)) (.cse7 (+ 18446744073709551124 .cse6)) (.cse8 (+ (* |aux_div_v_ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int_13_95| 4294967296) |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int|))) (and (<= .cse3 .cse4) (<= .cse4 .cse3) (< .cse5 (+ 36893488147419102740 .cse6)) (<= .cse7 .cse5) (< .cse8 43) (not (= .cse9 .cse7)) (< |aux_mod_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241| 18446744073709551616) (<= 0 |aux_mod_aux_mod_ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt_110_241|) (<= 1 .cse8))))) .cse0 .cse1 .cse2 (< |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int| 4294967296)))) [2022-01-10 08:39:28,378 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 08:39:28,378 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 222) no Hoare annotation was computed. [2022-01-10 08:39:28,378 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 08:39:28,378 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 217) no Hoare annotation was computed. [2022-01-10 08:39:28,379 INFO L854 garLoopResultBuilder]: At program point L216(lines 182 217) the Hoare annotation is: (and (= |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~0#1Int| 1) (= (select (select |#memory_intInt| |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.baseInt|) (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt| 492) 18446744073709551616)) 0) (<= 0 ~Id_MCDC_93~0Int) (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt|) (<= |ULTIMATE.start_ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offsetInt| 0) (= ~Id_MCDC_93~0Int |ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int|) (< ~Id_MCDC_93~0Int 42)) [2022-01-10 08:39:28,379 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 210) no Hoare annotation was computed. [2022-01-10 08:39:28,379 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-01-10 08:39:28,379 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 209) no Hoare annotation was computed. [2022-01-10 08:39:28,379 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2022-01-10 08:39:28,381 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-01-10 08:39:28,382 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 08:39:28,404 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Cannot translate AuxVars back to Bitvector Sort |aux_div_v_ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int_13_95| at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.bvinttranslation.IntToBvBackTranslation.convert(IntToBvBackTranslation.java:88) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.lambda$0(IcfgTransformationObserver.java:355) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformationBacktranslator.translateExpression(IcfgTransformationBacktranslator.java:113) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformationBacktranslator.translateExpression(IcfgTransformationBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-01-10 08:39:28,407 INFO L158 Benchmark]: Toolchain (without parser) took 26206.76ms. Allocated memory was 202.4MB in the beginning and 292.6MB in the end (delta: 90.2MB). Free memory was 151.3MB in the beginning and 192.3MB in the end (delta: -41.0MB). Peak memory consumption was 50.4MB. Max. memory is 8.0GB. [2022-01-10 08:39:28,407 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 168.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 08:39:28,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.37ms. Allocated memory is still 202.4MB. Free memory was 151.0MB in the beginning and 170.5MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 08:39:28,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.88ms. Allocated memory is still 202.4MB. Free memory was 170.5MB in the beginning and 167.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 08:39:28,407 INFO L158 Benchmark]: Boogie Preprocessor took 58.40ms. Allocated memory is still 202.4MB. Free memory was 167.4MB in the beginning and 163.8MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 08:39:28,408 INFO L158 Benchmark]: RCFGBuilder took 845.29ms. Allocated memory is still 202.4MB. Free memory was 163.8MB in the beginning and 80.4MB in the end (delta: 83.4MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2022-01-10 08:39:28,408 INFO L158 Benchmark]: IcfgTransformer took 149.54ms. Allocated memory is still 202.4MB. Free memory was 80.4MB in the beginning and 71.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 08:39:28,408 INFO L158 Benchmark]: TraceAbstraction took 24711.01ms. Allocated memory was 202.4MB in the beginning and 292.6MB in the end (delta: 90.2MB). Free memory was 70.4MB in the beginning and 192.3MB in the end (delta: -121.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 08:39:28,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 168.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 380.37ms. Allocated memory is still 202.4MB. Free memory was 151.0MB in the beginning and 170.5MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.88ms. Allocated memory is still 202.4MB. Free memory was 170.5MB in the beginning and 167.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.40ms. Allocated memory is still 202.4MB. Free memory was 167.4MB in the beginning and 163.8MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 845.29ms. Allocated memory is still 202.4MB. Free memory was 163.8MB in the beginning and 80.4MB in the end (delta: 83.4MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. * IcfgTransformer took 149.54ms. Allocated memory is still 202.4MB. Free memory was 80.4MB in the beginning and 71.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 24711.01ms. Allocated memory was 202.4MB in the beginning and 292.6MB in the end (delta: 90.2MB). Free memory was 70.4MB in the beginning and 192.3MB in the end (delta: -121.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 5, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 540 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 540 mSDsluCounter, 287 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 98 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 190 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 762 IncrementalHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 190 mSolverCounterUnsat, 58 mSDtfsCounter, 762 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 203 SyntacticMatches, 14 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=4, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 30 NumberOfFragments, 197 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1068 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1842 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 252 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 358 ConstructedInterpolants, 59 QuantifiedInterpolants, 5647 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2270 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 576/1143 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((~bvule64(0bv64, Id_MCDC_89__Id_MCDC_95) && ~bvule64(Id_MCDC_89__Id_MCDC_95, 0bv64)) && 1bv32 == Id_MCDC_89____CPAchecker_TMP_1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][~bvadd16(~zero_extendFrom32To64(Id_MCDC_89__Id_MCDC_95), 492bv65)[63:0]] == 0bv32) && ~bvult64(Id_MCDC_93, 42bv32)) && Id_MCDC_93 == Id_MCDC_89__Id_MCDC_96) && ~bvule32(0bv32, Id_MCDC_93) - ExceptionOrErrorResult: UnsupportedOperationException: Cannot translate AuxVars back to Bitvector Sort |aux_div_v_ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int_13_95| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Cannot translate AuxVars back to Bitvector Sort |aux_div_v_ULTIMATE.start_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1Int_13_95|: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.bvinttranslation.IntToBvBackTranslation.convert(IntToBvBackTranslation.java:88) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-01-10 08:39:28,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...