/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_NONE.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 20:43:44,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 20:43:44,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 20:43:44,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 20:43:44,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 20:43:44,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 20:43:44,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 20:43:44,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 20:43:44,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 20:43:44,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 20:43:44,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 20:43:44,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 20:43:44,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 20:43:44,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 20:43:44,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 20:43:44,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 20:43:44,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 20:43:44,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 20:43:44,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 20:43:44,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 20:43:44,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 20:43:44,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 20:43:44,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 20:43:44,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 20:43:44,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 20:43:44,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 20:43:44,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 20:43:44,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 20:43:44,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 20:43:44,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 20:43:44,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 20:43:44,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 20:43:44,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 20:43:44,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 20:43:44,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 20:43:44,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 20:43:44,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 20:43:44,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 20:43:44,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 20:43:44,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 20:43:44,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 20:43:44,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 20:43:44,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 20:43:44,767 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 20:43:44,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 20:43:44,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 20:43:44,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 20:43:44,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 20:43:44,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 20:43:44,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 20:43:44,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 20:43:44,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 20:43:44,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 20:43:44,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 20:43:44,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 20:43:44,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 20:43:44,771 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 20:43:44,774 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 20:43:44,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 20:43:44,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 20:43:44,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 20:43:44,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 20:43:44,962 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 20:43:44,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c [2022-01-10 20:43:45,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56799e5b9/28418eddd5234c5aae538217cc7d8955/FLAG5675b7b2c [2022-01-10 20:43:45,402 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 20:43:45,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c [2022-01-10 20:43:45,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56799e5b9/28418eddd5234c5aae538217cc7d8955/FLAG5675b7b2c [2022-01-10 20:43:45,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56799e5b9/28418eddd5234c5aae538217cc7d8955 [2022-01-10 20:43:45,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 20:43:45,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 20:43:45,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 20:43:45,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 20:43:45,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 20:43:45,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502113c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45, skipping insertion in model container [2022-01-10 20:43:45,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 20:43:45,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 20:43:45,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c[546,559] [2022-01-10 20:43:45,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 20:43:45,628 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 20:43:45,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c[546,559] [2022-01-10 20:43:45,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 20:43:45,656 INFO L208 MainTranslator]: Completed translation [2022-01-10 20:43:45,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45 WrapperNode [2022-01-10 20:43:45,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 20:43:45,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 20:43:45,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 20:43:45,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 20:43:45,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,685 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-01-10 20:43:45,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 20:43:45,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 20:43:45,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 20:43:45,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 20:43:45,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 20:43:45,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 20:43:45,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 20:43:45,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 20:43:45,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (1/1) ... [2022-01-10 20:43:45,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 20:43:45,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 20:43:45,742 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 20:43:45,747 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 20:43:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 20:43:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 20:43:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 20:43:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 20:43:45,830 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 20:43:45,831 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 20:43:46,188 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 20:43:46,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 20:43:46,193 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 20:43:46,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:43:46 BoogieIcfgContainer [2022-01-10 20:43:46,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 20:43:46,195 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 20:43:46,196 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 20:43:46,197 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 20:43:46,199 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:43:46" (1/1) ... [2022-01-10 20:43:46,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:43:46 BasicIcfg [2022-01-10 20:43:46,306 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 20:43:46,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 20:43:46,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 20:43:46,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 20:43:46,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 08:43:45" (1/4) ... [2022-01-10 20:43:46,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750935fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:43:46, skipping insertion in model container [2022-01-10 20:43:46,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:43:45" (2/4) ... [2022-01-10 20:43:46,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750935fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:43:46, skipping insertion in model container [2022-01-10 20:43:46,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:43:46" (3/4) ... [2022-01-10 20:43:46,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750935fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:43:46, skipping insertion in model container [2022-01-10 20:43:46,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:43:46" (4/4) ... [2022-01-10 20:43:46,312 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound100.cTransformedIcfg [2022-01-10 20:43:46,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 20:43:46,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-10 20:43:46,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 20:43:46,356 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 20:43:46,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-10 20:43:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 23 states have internal predecessors, (32), 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 20:43:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 20:43:46,371 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:43:46,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 20:43:46,372 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:43:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:43:46,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1889357781, now seen corresponding path program 1 times [2022-01-10 20:43:46,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:43:46,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208956298] [2022-01-10 20:43:46,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:43:46,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:43:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:43:46,554 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 20:43:46,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 20:43:46,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208956298] [2022-01-10 20:43:46,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208956298] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 20:43:46,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 20:43:46,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 20:43:46,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557388511] [2022-01-10 20:43:46,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 20:43:46,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 20:43:46,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 20:43:46,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 20:43:46,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 20:43:46,594 INFO L87 Difference]: Start difference. First operand has 24 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 23 states have internal predecessors, (32), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 20:43:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 20:43:46,615 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-01-10 20:43:46,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 20:43:46,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2022-01-10 20:43:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 20:43:46,623 INFO L225 Difference]: With dead ends: 45 [2022-01-10 20:43:46,624 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 20:43:46,627 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 20:43:46,631 INFO L933 BasicCegarLoop]: 24 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, 24 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 20:43:46,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 20:43:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 20:43:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-01-10 20:43:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 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 20:43:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-01-10 20:43:46,665 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 13 [2022-01-10 20:43:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 20:43:46,666 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-01-10 20:43:46,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 20:43:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-01-10 20:43:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 20:43:46,668 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:43:46,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 20:43:46,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 20:43:46,669 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:43:46,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:43:46,672 INFO L85 PathProgramCache]: Analyzing trace with hash 980833624, now seen corresponding path program 1 times [2022-01-10 20:43:46,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:43:46,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863699869] [2022-01-10 20:43:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:43:46,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:43:46,722 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 20:43:46,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [732847698] [2022-01-10 20:43:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:43:46,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 20:43:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 20:43:46,727 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 20:43:46,745 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 20:43:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:43:46,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 20:43:46,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 20:43:47,330 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 20:43:47,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 20:43:47,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 20:43:47,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863699869] [2022-01-10 20:43:47,331 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 20:43:47,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732847698] [2022-01-10 20:43:47,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732847698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 20:43:47,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 20:43:47,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 20:43:47,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931583172] [2022-01-10 20:43:47,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 20:43:47,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 20:43:47,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 20:43:47,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 20:43:47,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 20:43:47,335 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 20:43:47,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 20:43:47,638 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-01-10 20:43:47,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 20:43:47,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 13 [2022-01-10 20:43:47,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 20:43:47,641 INFO L225 Difference]: With dead ends: 30 [2022-01-10 20:43:47,641 INFO L226 Difference]: Without dead ends: 24 [2022-01-10 20:43:47,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-01-10 20:43:47,643 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 47 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 20:43:47,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 36 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 20:43:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-01-10 20:43:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-01-10 20:43:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 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 20:43:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-01-10 20:43:47,648 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 13 [2022-01-10 20:43:47,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 20:43:47,649 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-01-10 20:43:47,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 20:43:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-01-10 20:43:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-10 20:43:47,652 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:43:47,652 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 20:43:47,659 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 20:43:47,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 20:43:47,853 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:43:47,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:43:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1004724080, now seen corresponding path program 1 times [2022-01-10 20:43:47,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:43:47,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658154355] [2022-01-10 20:43:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:43:47,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:43:47,881 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 20:43:47,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993845070] [2022-01-10 20:43:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:43:47,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 20:43:47,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 20:43:47,883 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 20:43:47,913 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 20:43:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:43:49,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 41 conjunts are in the unsatisfiable core [2022-01-10 20:43:49,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 20:43:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 20:43:50,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 20:44:08,404 WARN L228 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-10 20:44:51,318 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int|))) (let ((.cse2 (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| .cse1) 18446744073709551616))) (or (= (mod (let ((.cse0 (mod (+ .cse2 1) 18446744073709551616))) (+ (mod (* .cse0 .cse1) 18446744073709551616) (mod (* 18446744073709551615 (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| .cse1) 18446744073709551616)) 18446744073709551616) (mod (* 18446744073709551615 .cse0) 18446744073709551616) 1)) 18446744073709551616) 0) (not (let ((.cse3 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 2147483648) 2))) (< (+ (* 2 (mod |c_ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 9223372036854775808)) |c_ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| (* 18446744069414584320 .cse3)) (+ (* 2 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| (* .cse3 9223372032559808512)) 9223372036854775808)) |c_ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int|)))) (not (= (mod (+ .cse2 (mod (* 18446744073709551615 |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616) (mod (* 18446744073709551615 |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616) 1) 18446744073709551616) 0))))) is different from true