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-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:42:35,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:42:35,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:42:35,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:42:35,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:42:35,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:42:35,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:42:35,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:42:35,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:42:35,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:42:35,715 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:42:35,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:42:35,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:42:35,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:42:35,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:42:35,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:42:35,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:42:35,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:42:35,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:42:35,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:42:35,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:42:35,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:42:35,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:42:35,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:42:35,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:42:35,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:42:35,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:42:35,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:42:35,757 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 [2019-08-14 20:42:35,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:42:35,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:42:35,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:42:35,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:42:35,784 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:42:35,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:42:35,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:42:35,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:42:35,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:42:35,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:42:35,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:42:35,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:42:35,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:42:35,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:42:35,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:42:35,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:42:35,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:42:35,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:42:35,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:42:35,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:42:35,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:42:35,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:42:35,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:42:35,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:42:35,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:42:35,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:42:35,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:42:35,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:42:35,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:42:35,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:42:35,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:42:35,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:42:35,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:42:35,868 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:42:35,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-08-14 20:42:35,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90183c93/52f35c71329a41019e27fd0fb6df203a/FLAG93f01fe1f [2019-08-14 20:42:36,412 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:42:36,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-08-14 20:42:36,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90183c93/52f35c71329a41019e27fd0fb6df203a/FLAG93f01fe1f [2019-08-14 20:42:36,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90183c93/52f35c71329a41019e27fd0fb6df203a [2019-08-14 20:42:36,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:42:36,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:42:36,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:42:36,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:42:36,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:42:36,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:42:36" (1/1) ... [2019-08-14 20:42:36,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a61575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:36, skipping insertion in model container [2019-08-14 20:42:36,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:42:36" (1/1) ... [2019-08-14 20:42:36,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:42:36,831 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:42:37,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:42:37,040 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:42:37,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:42:37,193 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:42:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37 WrapperNode [2019-08-14 20:42:37,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:42:37,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:42:37,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:42:37,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:42:37,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:37,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:42:37,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:42:37,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:42:37,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:42:37,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:37" (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 [2019-08-14 20:42:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:42:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:42:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:42:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:42:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 20:42:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:42:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:42:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:42:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:42:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:42:37,660 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:42:37,661 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:42:37,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:42:37 BoogieIcfgContainer [2019-08-14 20:42:37,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:42:37,663 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:42:37,663 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:42:37,663 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:42:37,664 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:42:37" (1/1) ... [2019-08-14 20:42:39,061 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:42:39,065 INFO L168 Benchmark]: Toolchain (without parser) took 2303.64 ms. Allocated memory was 133.2 MB in the beginning and 263.2 MB in the end (delta: 130.0 MB). Free memory was 88.0 MB in the beginning and 192.2 MB in the end (delta: -104.2 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:39,067 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-14 20:42:39,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.43 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 177.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:39,070 INFO L168 Benchmark]: Boogie Preprocessor took 43.13 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:39,072 INFO L168 Benchmark]: RCFGBuilder took 424.80 ms. Allocated memory is still 200.8 MB. Free memory was 175.5 MB in the beginning and 152.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:39,074 INFO L168 Benchmark]: Symbolic Interpretation took 1399.06 ms. Allocated memory was 200.8 MB in the beginning and 263.2 MB in the end (delta: 62.4 MB). Free memory was 152.4 MB in the beginning and 192.2 MB in the end (delta: -39.8 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:39,085 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 268#(and (or (and (= main_~main____CPAchecker_TMP_0~0 ~__tmp_247_0~0) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__tmp_2~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= main_~main____CPAchecker_TMP_0~1 ~__tmp_247_0~0) (not (= main_~__VERIFIER_assert__cond~0 0))) (and (= 0 main_~main__t~0) (<= 0 main_~main__tagbuf_len~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 (+ main_~main__tagbuf_len~0 2147483649)) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0) (<= ~__tmp_247_0~0 2147483647) (= main_~__tmp_2~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= |old(~__return_305~0)| ~__return_305~0) (not (= 0 ~__tmp_247_0~0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_247_0~0) (= |old(~__tmp_247_0~0)| 0) (or (and (= main_~__tmp_1~0 1) (<= 0 main_~main__t~0)) (and (= main_~__tmp_1~0 0) (not (<= 0 main_~main__t~0)))) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (= ~__return_main~0 0))) (= main_~__VERIFIER_assert__cond~1 0)). Possible FailurePath: - PositiveResult [Line: 274]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1017#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_6~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~5 0) (not (= main_~__VERIFIER_assert__cond~4 0)) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_6~0 main_~__VERIFIER_assert__cond~5)). Possible FailurePath: - UnprovableResult [Line: 220]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1394#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (or (= main_~main____CPAchecker_TMP_3~0 0) (and (= 0 main_~main____CPAchecker_TMP_4~0) (or (and (= 0 main_~__tmp_10~0) (not (<= main_~main____CPAchecker_TMP_7~0 main_~main__tagbuf_len~0))) (and (= 1 main_~__tmp_10~0) (<= main_~main____CPAchecker_TMP_7~0 main_~main__tagbuf_len~0))) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648)) (= (+ main_~main____CPAchecker_TMP_7~0 1) main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~9 0)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (= 0 main_~main____CPAchecker_TMP_3~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (or (and (= main_~__tmp_9~0 0) (not (<= 0 main_~main____CPAchecker_TMP_7~0))) (and (<= 0 main_~main____CPAchecker_TMP_7~0) (= main_~__tmp_9~0 1))))) (= main_~__VERIFIER_assert__cond~10 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0)). Possible FailurePath: - UnprovableResult [Line: 346]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 68#(and (not (= main_~__VERIFIER_assert__cond~16 0)) (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (= main_~__VERIFIER_assert__cond~17 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~1 2147483647)). Possible FailurePath: - UnprovableResult [Line: 334]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 63#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~16 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~1 2147483647)). Possible FailurePath: - UnprovableResult [Line: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1080#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~4 0)). Possible FailurePath: - UnprovableResult [Line: 138]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 831#(or (and (= main_~main____CPAchecker_TMP_6~0 0) (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__VERIFIER_assert__cond~6 0)). Possible FailurePath: - UnprovableResult [Line: 172]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1353#(and (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~8 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)). Possible FailurePath: - UnprovableResult [Line: 293]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 57#(and (or (and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~main____CPAchecker_TMP_1~0 0) (= ~__return_main~0 0) (= ~__tmp_383_0~0 0)) (= main_~main____CPAchecker_TMP_0~1 0)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= main_~__VERIFIER_assert__cond~14 0) (= main_~__VERIFIER_assert__cond~14 main_~__tmp_15~0) (= main_~main__tagbuf_len~0 main_~main__t~0)). Possible FailurePath: - PositiveResult [Line: 305]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 39]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 261#(or (and (= main_~main____CPAchecker_TMP_0~0 ~__tmp_247_0~0) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= main_~main____CPAchecker_TMP_0~1 ~__tmp_247_0~0)) (and (= 0 main_~main__t~0) (<= 0 main_~main__tagbuf_len~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 (+ main_~main__tagbuf_len~0 2147483649)) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0) (<= ~__tmp_247_0~0 2147483647) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= |old(~__return_305~0)| ~__return_305~0) (not (= 0 ~__tmp_247_0~0)) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_247_0~0) (= |old(~__tmp_247_0~0)| 0) (or (and (= main_~__tmp_1~0 1) (<= 0 main_~main__t~0)) (and (= main_~__tmp_1~0 0) (not (<= 0 main_~main__t~0)))) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0))). Possible FailurePath: - UnprovableResult [Line: 68]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1216#(= main_~__VERIFIER_assert__cond~2 0). Possible FailurePath: - UnprovableResult [Line: 232]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1306#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (or (= main_~main____CPAchecker_TMP_3~0 0) (and (= 0 main_~main____CPAchecker_TMP_4~0) (or (and (= 0 main_~__tmp_10~0) (not (<= main_~main____CPAchecker_TMP_7~0 main_~main__tagbuf_len~0))) (and (= 1 main_~__tmp_10~0) (<= main_~main____CPAchecker_TMP_7~0 main_~main__tagbuf_len~0))) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648)) (= (+ main_~main____CPAchecker_TMP_7~0 1) main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~9 0)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (= 0 main_~main____CPAchecker_TMP_3~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (or (and (= main_~__tmp_9~0 0) (not (<= 0 main_~main____CPAchecker_TMP_7~0))) (and (<= 0 main_~main____CPAchecker_TMP_7~0) (= main_~__tmp_9~0 1))))) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)). Possible FailurePath: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1161#(or (and (= main_~main__t~0 1) (= |old(~__tmp_247_0~0)| 0) (= main_~__tmp_1~0 1) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~3 0) (= main_~main____CPAchecker_TMP_2~0 0)) (= main_~__VERIFIER_assert__cond~3 0)). Possible FailurePath: - UnprovableResult [Line: 184]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1264#(and (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (= main_~__VERIFIER_assert__cond~9 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 432.43 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 177.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.13 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 424.80 ms. Allocated memory is still 200.8 MB. Free memory was 175.5 MB in the beginning and 152.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1399.06 ms. Allocated memory was 200.8 MB in the beginning and 263.2 MB in the end (delta: 62.4 MB). Free memory was 152.4 MB in the beginning and 192.2 MB in the end (delta: -39.8 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...