/usr/bin/java -ea -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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 10:20:27,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 10:20:27,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 10:20:27,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 10:20:27,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 10:20:27,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 10:20:27,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 10:20:27,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 10:20:27,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 10:20:27,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 10:20:27,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 10:20:27,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 10:20:27,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 10:20:27,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 10:20:27,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 10:20:27,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 10:20:27,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 10:20:27,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 10:20:27,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 10:20:27,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 10:20:27,450 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 10:20:27,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 10:20:27,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 10:20:27,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 10:20:27,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 10:20:27,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-27 10:20:27,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-27 10:20:27,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-27 10:20:27,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-27 10:20:27,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-27 10:20:27,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-27 10:20:27,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 10:20:27,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 10:20:27,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 10:20:27,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 10:20:27,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 10:20:27,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 10:20:27,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 10:20:27,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 10:20:27,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 10:20:27,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 10:20:27,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 10:20:27,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-04-27 10:20:27,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 10:20:27,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 10:20:27,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-27 10:20:27,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-27 10:20:27,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-27 10:20:27,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-27 10:20:27,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-27 10:20:27,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-27 10:20:27,498 INFO L138 SettingsManager]: * Use SBE=true [2022-04-27 10:20:27,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 10:20:27,499 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 10:20:27,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 10:20:27,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 10:20:27,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 10:20:27,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 10:20:27,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 10:20:27,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 10:20:27,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-27 10:20:27,501 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-04-27 10:20:27,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-27 10:20:27,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-27 10:20:27,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 10:20:27,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 10:20:27,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 10:20:27,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 10:20:27,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 10:20:27,741 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 10:20:27,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-2.i [2022-04-27 10:20:27,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b971d730/d7d89c892a7d4c25ae6277ba82b64635/FLAG4a2498b64 [2022-04-27 10:20:28,132 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 10:20:28,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-2.i [2022-04-27 10:20:28,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b971d730/d7d89c892a7d4c25ae6277ba82b64635/FLAG4a2498b64 [2022-04-27 10:20:28,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b971d730/d7d89c892a7d4c25ae6277ba82b64635 [2022-04-27 10:20:28,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 10:20:28,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-27 10:20:28,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 10:20:28,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 10:20:28,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 10:20:28,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161e69eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28, skipping insertion in model container [2022-04-27 10:20:28,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 10:20:28,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 10:20:28,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-2.i[902,915] [2022-04-27 10:20:28,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 10:20:28,708 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 10:20:28,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-2.i[902,915] [2022-04-27 10:20:28,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 10:20:28,742 INFO L208 MainTranslator]: Completed translation [2022-04-27 10:20:28,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28 WrapperNode [2022-04-27 10:20:28,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 10:20:28,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 10:20:28,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 10:20:28,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 10:20:28,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 10:20:28,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 10:20:28,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 10:20:28,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 10:20:28,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (1/1) ... [2022-04-27 10:20:28,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 10:20:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 10:20:28,804 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) [2022-04-27 10:20:28,818 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 [2022-04-27 10:20:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 10:20:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 10:20:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 10:20:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 10:20:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 10:20:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 10:20:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-04-27 10:20:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 10:20:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 10:20:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 10:20:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 10:20:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 10:20:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 10:20:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 10:20:28,925 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 10:20:28,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 10:20:29,027 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 10:20:29,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 10:20:29,033 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 10:20:29,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:20:29 BoogieIcfgContainer [2022-04-27 10:20:29,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 10:20:29,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 10:20:29,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 10:20:29,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 10:20:29,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 10:20:28" (1/3) ... [2022-04-27 10:20:29,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc1d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:20:29, skipping insertion in model container [2022-04-27 10:20:29,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:28" (2/3) ... [2022-04-27 10:20:29,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc1d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:20:29, skipping insertion in model container [2022-04-27 10:20:29,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:20:29" (3/3) ... [2022-04-27 10:20:29,047 INFO L111 eAbstractionObserver]: Analyzing ICFG terminator_03-2.i [2022-04-27 10:20:29,062 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-27 10:20:29,062 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 10:20:29,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 10:20:29,103 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@e87ad4f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3adbb28c [2022-04-27 10:20:29,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 10:20:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-27 10:20:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-27 10:20:29,139 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 10:20:29,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 10:20:29,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 10:20:29,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 10:20:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1574076283, now seen corresponding path program 1 times [2022-04-27 10:20:29,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 10:20:29,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528112894] [2022-04-27 10:20:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 10:20:29,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 10:20:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 10:20:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 10:20:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 10:20:29,441 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); {24#true} is VALID [2022-04-27 10:20:29,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2022-04-27 10:20:29,442 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #60#return; {24#true} is VALID [2022-04-27 10:20:29,443 INFO L272 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {32#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 10:20:29,444 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); {24#true} is VALID [2022-04-27 10:20:29,444 INFO L290 TraceCheckUtils]: 2: Hoare triple {24#true} assume true; {24#true} is VALID [2022-04-27 10:20:29,444 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24#true} {24#true} #60#return; {24#true} is VALID [2022-04-27 10:20:29,445 INFO L272 TraceCheckUtils]: 4: Hoare triple {24#true} call #t~ret3 := main(); {24#true} is VALID [2022-04-27 10:20:29,445 INFO L290 TraceCheckUtils]: 5: Hoare triple {24#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~x~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~y~0 := #t~nondet2;havoc #t~nondet2; {24#true} is VALID [2022-04-27 10:20:29,445 INFO L290 TraceCheckUtils]: 6: Hoare triple {24#true} assume !!(~y~0 <= 1000000); {24#true} is VALID [2022-04-27 10:20:29,446 INFO L290 TraceCheckUtils]: 7: Hoare triple {24#true} assume !(~y~0 > 0); {29#(or (<= 100 main_~x~0) (<= main_~y~0 0))} is VALID [2022-04-27 10:20:29,447 INFO L272 TraceCheckUtils]: 8: Hoare triple {29#(or (<= 100 main_~x~0) (<= main_~y~0 0))} call __VERIFIER_assert((if ~y~0 <= 0 || (~y~0 > 0 && ~x~0 >= 100) then 1 else 0)); {30#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 10:20:29,451 INFO L290 TraceCheckUtils]: 9: Hoare triple {30#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {31#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 10:20:29,452 INFO L290 TraceCheckUtils]: 10: Hoare triple {31#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {25#false} is VALID [2022-04-27 10:20:29,452 INFO L290 TraceCheckUtils]: 11: Hoare triple {25#false} assume !false; {25#false} is VALID [2022-04-27 10:20:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 10:20:29,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 10:20:29,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528112894] [2022-04-27 10:20:29,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528112894] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 10:20:29,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 10:20:29,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 10:20:29,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680395669] [2022-04-27 10:20:29,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 10:20:29,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-27 10:20:29,462 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 10:20:29,466 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:29,490 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 10:20:29,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 10:20:29,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 10:20:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 10:20:29,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 10:20:29,509 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:29,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:20:29,745 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-04-27 10:20:29,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 10:20:29,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-27 10:20:29,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 10:20:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-04-27 10:20:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-04-27 10:20:29,769 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 38 transitions. [2022-04-27 10:20:29,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 10:20:29,818 INFO L225 Difference]: With dead ends: 33 [2022-04-27 10:20:29,818 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 10:20:29,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-27 10:20:29,827 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 19 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 10:20:29,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 41 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 10:20:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 10:20:29,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 10:20:29,846 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 10:20:29,846 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-04-27 10:20:29,846 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-04-27 10:20:29,847 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-04-27 10:20:29,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:20:29,848 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 10:20:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 10:20:29,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:20:29,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 10:20:29,848 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-04-27 10:20:29,848 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-04-27 10:20:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:20:29,849 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 10:20:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 10:20:29,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:20:29,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 10:20:29,849 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 10:20:29,849 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 10:20:29,849 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) [2022-04-27 10:20:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 10:20:29,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-04-27 10:20:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 10:20:29,855 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 10:20:29,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 10:20:29,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:20:29,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 10:20:29,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 10:20:29,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-27 10:20:29,913 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2022-04-27 10:20:29,913 INFO L899 garLoopResultBuilder]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2022-04-27 10:20:29,914 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-04-27 10:20:29,914 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-04-27 10:20:29,914 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2022-04-27 10:20:29,914 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 16) no Hoare annotation was computed. [2022-04-27 10:20:29,914 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2022-04-27 10:20:29,914 INFO L902 garLoopResultBuilder]: At program point mainENTRY(lines 25 36) the Hoare annotation is: true [2022-04-27 10:20:29,915 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2022-04-27 10:20:29,915 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2022-04-27 10:20:29,915 INFO L902 garLoopResultBuilder]: At program point L30-2(lines 30 32) the Hoare annotation is: true [2022-04-27 10:20:29,916 INFO L895 garLoopResultBuilder]: At program point L29-1(lines 29 33) the Hoare annotation is: (or (<= 100 main_~x~0) (<= main_~y~0 0)) [2022-04-27 10:20:29,916 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 25 36) no Hoare annotation was computed. [2022-04-27 10:20:29,916 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 25 36) no Hoare annotation was computed. [2022-04-27 10:20:29,916 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-04-27 10:20:29,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-27 10:20:29,918 INFO L895 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-27 10:20:29,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-27 10:20:29,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-27 10:20:29,919 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-27 10:20:29,919 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-27 10:20:29,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-27 10:20:29,919 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 17 22) no Hoare annotation was computed. [2022-04-27 10:20:29,920 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2022-04-27 10:20:29,920 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2022-04-27 10:20:29,920 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-04-27 10:20:29,920 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2022-04-27 10:20:29,920 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2022-04-27 10:20:29,927 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-04-27 10:20:29,929 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 10:20:29,937 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-27 10:20:29,937 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-27 10:20:29,937 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 10:20:29,938 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-27 10:20:29,938 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-27 10:20:29,938 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-27 10:20:29,938 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2022-04-27 10:20:29,938 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 10:20:29,938 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 10:20:29,939 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2022-04-27 10:20:29,940 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-27 10:20:29,941 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-27 10:20:29,941 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 10:20:29,941 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-27 10:20:29,941 INFO L163 areAnnotationChecker]: CFG has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-27 10:20:29,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 10:20:29 BoogieIcfgContainer [2022-04-27 10:20:29,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 10:20:29,949 INFO L158 Benchmark]: Toolchain (without parser) took 1397.30ms. Allocated memory was 192.9MB in the beginning and 248.5MB in the end (delta: 55.6MB). Free memory was 162.1MB in the beginning and 217.5MB in the end (delta: -55.4MB). Peak memory consumption was 55.0MB. Max. memory is 8.0GB. [2022-04-27 10:20:29,952 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 192.9MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 10:20:29,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.22ms. Allocated memory was 192.9MB in the beginning and 248.5MB in the end (delta: 55.6MB). Free memory was 161.9MB in the beginning and 219.6MB in the end (delta: -57.7MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. [2022-04-27 10:20:29,955 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 248.5MB. Free memory was 219.6MB in the beginning and 218.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 10:20:29,955 INFO L158 Benchmark]: RCFGBuilder took 264.35ms. Allocated memory is still 248.5MB. Free memory was 218.0MB in the beginning and 207.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-27 10:20:29,956 INFO L158 Benchmark]: TraceAbstraction took 912.00ms. Allocated memory is still 248.5MB. Free memory was 206.5MB in the beginning and 217.5MB in the end (delta: -11.0MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-04-27 10:20:29,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 192.9MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.22ms. Allocated memory was 192.9MB in the beginning and 248.5MB in the end (delta: 55.6MB). Free memory was 161.9MB in the beginning and 219.6MB in the end (delta: -57.7MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 248.5MB. Free memory was 219.6MB in the beginning and 218.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 264.35ms. Allocated memory is still 248.5MB. Free memory was 218.0MB in the beginning and 207.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 912.00ms. Allocated memory is still 248.5MB. Free memory was 206.5MB in the beginning and 217.5MB in the end (delta: -11.0MB). Peak memory consumption was 45.1MB. 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: 19]: 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 6 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 20 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 19 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-04-27 10:20:29,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...