/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_LAZY.epf -i ../../../trunk/examples/svcomp/nla-digbench/ps2-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 14:38:36,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 14:38:36,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 14:38:36,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 14:38:36,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 14:38:36,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 14:38:36,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 14:38:36,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 14:38:36,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 14:38:36,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 14:38:36,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 14:38:36,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 14:38:36,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 14:38:36,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 14:38:36,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 14:38:36,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 14:38:36,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 14:38:36,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 14:38:36,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 14:38:36,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 14:38:36,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 14:38:36,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 14:38:36,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 14:38:36,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 14:38:36,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 14:38:36,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 14:38:36,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 14:38:36,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 14:38:36,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 14:38:36,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 14:38:36,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 14:38:36,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 14:38:36,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 14:38:36,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 14:38:36,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 14:38:36,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 14:38:36,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 14:38:36,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 14:38:36,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 14:38:36,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 14:38:36,218 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 14:38:36,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 14:38:36,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 14:38:36,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 14:38:36,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 14:38:36,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 14:38:36,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 14:38:36,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 14:38:36,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 14:38:36,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 14:38:36,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 14:38:36,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 14:38:36,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 14:38:36,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 14:38:36,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 14:38:36,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:38:36,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 14:38:36,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 14:38:36,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 14:38:36,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 14:38:36,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 14:38:36,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 14:38:36,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 14:38:36,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 14:38:36,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 14:38:36,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 14:38:36,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 14:38:36,223 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 14:38:36,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 14:38:36,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 14:38:36,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 14:38:36,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 14:38:36,462 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 14:38:36,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps2-ll.c [2022-01-10 14:38:36,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56729bc9b/306d011ff004488bb944376ea2ced41b/FLAG03c88ec1c [2022-01-10 14:38:36,843 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 14:38:36,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps2-ll.c [2022-01-10 14:38:36,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56729bc9b/306d011ff004488bb944376ea2ced41b/FLAG03c88ec1c [2022-01-10 14:38:36,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56729bc9b/306d011ff004488bb944376ea2ced41b [2022-01-10 14:38:36,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 14:38:36,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 14:38:36,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 14:38:36,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 14:38:36,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 14:38:36,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:38:36" (1/1) ... [2022-01-10 14:38:36,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5940ce88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:36, skipping insertion in model container [2022-01-10 14:38:36,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:38:36" (1/1) ... [2022-01-10 14:38:36,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 14:38:36,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 14:38:37,029 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/ps2-ll.c[454,467] [2022-01-10 14:38:37,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:38:37,067 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 14:38:37,078 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/ps2-ll.c[454,467] [2022-01-10 14:38:37,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:38:37,096 INFO L208 MainTranslator]: Completed translation [2022-01-10 14:38:37,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37 WrapperNode [2022-01-10 14:38:37,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 14:38:37,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 14:38:37,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 14:38:37,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 14:38:37,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,123 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2022-01-10 14:38:37,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 14:38:37,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 14:38:37,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 14:38:37,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 14:38:37,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 14:38:37,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 14:38:37,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 14:38:37,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 14:38:37,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:38:37,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:38:37,188 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 14:38:37,198 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 14:38:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 14:38:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 14:38:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 14:38:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 14:38:37,255 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 14:38:37,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 14:38:37,459 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 14:38:37,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 14:38:37,463 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 14:38:37,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:37 BoogieIcfgContainer [2022-01-10 14:38:37,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 14:38:37,464 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 14:38:37,464 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 14:38:37,465 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 14:38:37,467 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:37" (1/1) ... [2022-01-10 14:38:37,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:38:37 BasicIcfg [2022-01-10 14:38:37,550 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 14:38:37,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 14:38:37,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 14:38:37,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 14:38:37,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:38:36" (1/4) ... [2022-01-10 14:38:37,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e62069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:38:37, skipping insertion in model container [2022-01-10 14:38:37,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:37" (2/4) ... [2022-01-10 14:38:37,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e62069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:38:37, skipping insertion in model container [2022-01-10 14:38:37,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:37" (3/4) ... [2022-01-10 14:38:37,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e62069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:38:37, skipping insertion in model container [2022-01-10 14:38:37,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:38:37" (4/4) ... [2022-01-10 14:38:37,575 INFO L111 eAbstractionObserver]: Analyzing ICFG ps2-ll.cTransformedIcfg [2022-01-10 14:38:37,578 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 14:38:37,578 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-10 14:38:37,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 14:38:37,620 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 14:38:37,621 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-10 14:38:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 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 14:38:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-01-10 14:38:37,633 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:38:37,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-01-10 14:38:37,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:38:37,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:38:37,637 INFO L85 PathProgramCache]: Analyzing trace with hash 72561012, now seen corresponding path program 1 times [2022-01-10 14:38:37,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:38:37,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385571838] [2022-01-10 14:38:37,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:38:37,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:38:37,709 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 14:38:37,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [332492934] [2022-01-10 14:38:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:38:37,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 14:38:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:38:37,711 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 14:38:37,712 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 14:38:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:38:37,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 14:38:37,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 14:38:37,922 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 14:38:37,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 14:38:37,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:38:37,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385571838] [2022-01-10 14:38:37,925 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 14:38:37,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332492934] [2022-01-10 14:38:37,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332492934] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 14:38:37,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 14:38:37,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 14:38:37,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442369911] [2022-01-10 14:38:37,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 14:38:37,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 14:38:37,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:38:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 14:38:37,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 14:38:37,968 INFO L87 Difference]: Start difference. First operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 14:38:38,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:38:38,047 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2022-01-10 14:38:38,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 14:38:38,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-01-10 14:38:38,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:38:38,055 INFO L225 Difference]: With dead ends: 40 [2022-01-10 14:38:38,056 INFO L226 Difference]: Without dead ends: 16 [2022-01-10 14:38:38,058 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 14:38:38,062 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 14:38:38,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 28 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 14:38:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-01-10 14:38:38,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-01-10 14:38:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 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 14:38:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-01-10 14:38:38,083 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 5 [2022-01-10 14:38:38,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:38:38,084 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-01-10 14:38:38,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 14:38:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-01-10 14:38:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 14:38:38,085 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:38:38,085 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 14:38:38,102 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 14:38:38,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-01-10 14:38:38,294 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:38:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:38:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1571013804, now seen corresponding path program 1 times [2022-01-10 14:38:38,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:38:38,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133306749] [2022-01-10 14:38:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:38:38,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:38:38,306 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 14:38:38,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467950707] [2022-01-10 14:38:38,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:38:38,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 14:38:38,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:38:38,307 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 14:38:38,308 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 14:38:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:38:38,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-10 14:38:38,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 14:38:38,853 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 14:38:38,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 14:38:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 14:38:38,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:38:38,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133306749] [2022-01-10 14:38:38,964 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 14:38:38,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467950707] [2022-01-10 14:38:38,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467950707] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 14:38:38,964 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 14:38:38,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2022-01-10 14:38:38,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274941094] [2022-01-10 14:38:38,966 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 14:38:38,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 14:38:38,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:38:38,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 14:38:38,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 14:38:38,974 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 14:38:39,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:38:39,088 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-01-10 14:38:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 14:38:39,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 14:38:39,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:38:39,088 INFO L225 Difference]: With dead ends: 22 [2022-01-10 14:38:39,088 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 14:38:39,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 14:38:39,090 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 14:38:39,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 14:38:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 14:38:39,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 14:38:39,091 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 14:38:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 14:38:39,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2022-01-10 14:38:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:38:39,091 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 14:38:39,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 14:38:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 14:38:39,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 14:38:39,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-10 14:38:39,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-10 14:38:39,100 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 14:38:39,297 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,SelfDestructingSolverStorable1 [2022-01-10 14:38:39,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 14:38:39,374 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 14:38:39,375 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 14:38:39,375 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 35) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= 0 (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (mod (* 18446744073709551615 (mod (* 2 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616))) (and (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 0) (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 0))) [2022-01-10 14:38:39,375 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 35) no Hoare annotation was computed. [2022-01-10 14:38:39,375 INFO L858 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2022-01-10 14:38:39,375 INFO L858 garLoopResultBuilder]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2022-01-10 14:38:39,375 INFO L858 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed. [2022-01-10 14:38:39,375 INFO L854 garLoopResultBuilder]: At program point L10-2(lines 9 15) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= 0 (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (mod (* 18446744073709551615 (mod (* 2 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616))) [2022-01-10 14:38:39,375 INFO L858 garLoopResultBuilder]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2022-01-10 14:38:39,376 INFO L854 garLoopResultBuilder]: At program point L10-5(lines 9 15) the Hoare annotation is: (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) [2022-01-10 14:38:39,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-01-10 14:38:39,376 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 30) no Hoare annotation was computed. [2022-01-10 14:38:39,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-01-10 14:38:39,376 INFO L854 garLoopResultBuilder]: At program point L38(lines 17 39) the Hoare annotation is: (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) [2022-01-10 14:38:39,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 14:38:39,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 14:38:39,378 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 14:38:39,379 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 14:38:39,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:38:39 BasicIcfg [2022-01-10 14:38:39,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 14:38:39,407 INFO L158 Benchmark]: Toolchain (without parser) took 2521.25ms. Allocated memory was 186.6MB in the beginning and 297.8MB in the end (delta: 111.1MB). Free memory was 131.4MB in the beginning and 134.8MB in the end (delta: -3.4MB). Peak memory consumption was 107.5MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,408 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 14:38:39,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.45ms. Allocated memory was 186.6MB in the beginning and 297.8MB in the end (delta: 111.1MB). Free memory was 131.2MB in the beginning and 270.0MB in the end (delta: -138.9MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.06ms. Allocated memory is still 297.8MB. Free memory was 270.0MB in the beginning and 268.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,408 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 297.8MB. Free memory was 268.5MB in the beginning and 267.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,409 INFO L158 Benchmark]: RCFGBuilder took 308.18ms. Allocated memory is still 297.8MB. Free memory was 267.5MB in the beginning and 257.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,409 INFO L158 Benchmark]: IcfgTransformer took 86.04ms. Allocated memory is still 297.8MB. Free memory was 257.0MB in the beginning and 253.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,409 INFO L158 Benchmark]: TraceAbstraction took 1839.97ms. Allocated memory is still 297.8MB. Free memory was 252.8MB in the beginning and 134.8MB in the end (delta: 118.0MB). Peak memory consumption was 118.5MB. Max. memory is 8.0GB. [2022-01-10 14:38:39,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.45ms. Allocated memory was 186.6MB in the beginning and 297.8MB in the end (delta: 111.1MB). Free memory was 131.2MB in the beginning and 270.0MB in the end (delta: -138.9MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.06ms. Allocated memory is still 297.8MB. Free memory was 270.0MB in the beginning and 268.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 297.8MB. Free memory was 268.5MB in the beginning and 267.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 308.18ms. Allocated memory is still 297.8MB. Free memory was 267.5MB in the beginning and 257.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 86.04ms. Allocated memory is still 297.8MB. Free memory was 257.0MB in the beginning and 253.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1839.97ms. Allocated memory is still 297.8MB. Free memory was 252.8MB in the beginning and 134.8MB in the end (delta: 118.0MB). Peak memory consumption was 118.5MB. 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: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 17 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 14 NumberOfFragments, 71 HoareAnnotationTreeSize, 4 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 7 NumberOfNonLiveVariables, 169 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/4 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 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) && 0bv64 == ~bvadd32(~bvadd32(~zero_extendFrom64To65(y), ~zero_extendFrom64To65(~bvmul64(18446744073709551615bv128, ~zero_extendFrom64To128(~bvmul64(2bv65, ~zero_extendFrom64To65(x))[63:0]))[63:0])), ~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128(y))[63:0]))[63:0] - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((~bvule64(x, 0bv64) && ~bvule64(0bv64, x)) && ~bvule64(0bv64, y)) && ~bvule64(y, 0bv64)) && c == 0bv64) || (~bvule32(1bv32, cond) && 0bv64 == ~bvadd32(~bvadd32(~zero_extendFrom64To65(y), ~zero_extendFrom64To65(~bvmul64(18446744073709551615bv128, ~zero_extendFrom64To128(~bvmul64(2bv65, ~zero_extendFrom64To65(x))[63:0]))[63:0])), ~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128(y))[63:0]))[63:0]) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-01-10 14:38:39,442 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...