java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-new/count_by_1_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:26:20,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:26:20,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:26:20,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:26:20,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:26:20,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:26:20,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:26:20,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:26:20,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:26:20,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:26:20,721 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:26:20,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:26:20,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:26:20,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:26:20,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:26:20,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:26:20,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:26:20,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:26:20,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:26:20,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:26:20,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:26:20,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:26:20,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:26:20,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:26:20,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:26:20,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:26:20,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:26:20,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:26:20,748 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 [2019-08-10 02:26:20,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:26:20,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:26:20,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:26:20,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:26:20,764 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:26:20,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:26:20,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:26:20,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:26:20,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:26:20,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:26:20,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:26:20,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:26:20,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:26:20,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:26:20,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:26:20,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:26:20,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:26:20,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:26:20,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:26:20,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:26:20,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:26:20,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:26:20,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:26:20,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:26:20,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:26:20,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:26:20,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:26:20,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:26:20,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:26:20,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:26:20,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:26:20,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:26:20,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:26:20,835 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:26:20,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/count_by_1_variant.i [2019-08-10 02:26:20,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336afe8bb/b55c52b647a0453f8ee00eb396062cca/FLAGdd62eb96a [2019-08-10 02:26:21,349 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:26:21,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/count_by_1_variant.i [2019-08-10 02:26:21,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336afe8bb/b55c52b647a0453f8ee00eb396062cca/FLAGdd62eb96a [2019-08-10 02:26:21,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336afe8bb/b55c52b647a0453f8ee00eb396062cca [2019-08-10 02:26:21,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:26:21,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:26:21,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:21,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:26:21,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:26:21,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:21" (1/1) ... [2019-08-10 02:26:21,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5737a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:21, skipping insertion in model container [2019-08-10 02:26:21,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:21" (1/1) ... [2019-08-10 02:26:21,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:26:21,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:26:21,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:21,997 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:26:22,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:22,033 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:26:22,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22 WrapperNode [2019-08-10 02:26:22,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:22,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:26:22,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:26:22,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:26:22,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:26:22,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:26:22,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:26:22,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:26:22,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:26:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:26:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:26:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:26:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:26:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:26:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:26:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:26:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:26:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:26:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:26:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:26:22,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:26:22,347 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:26:22,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:22 BoogieIcfgContainer [2019-08-10 02:26:22,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:26:22,348 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:26:22,348 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:26:22,348 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:26:22,349 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:22" (1/1) ... [2019-08-10 02:26:22,474 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:26:22,481 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:26:22,484 INFO L168 Benchmark]: Toolchain (without parser) took 721.41 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 159.1 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:26:22,485 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:26:22,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.62 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:22,487 INFO L168 Benchmark]: Boogie Preprocessor took 121.61 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 78.6 MB in the beginning and 176.1 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:22,488 INFO L168 Benchmark]: RCFGBuilder took 190.63 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 165.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:22,489 INFO L168 Benchmark]: Symbolic Interpretation took 133.32 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 159.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:22,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 46#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.62 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.61 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 78.6 MB in the beginning and 176.1 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 190.63 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 165.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 133.32 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 159.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...