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/ldv-regression/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:33,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:33,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:33,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:33,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:33,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:33,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:33,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:33,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:33,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:33,525 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:33,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:33,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:33,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:33,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:33,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:33,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:33,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:33,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:33,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:33,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:33,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:33,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:33,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:33,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:33,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:33,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:33,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:33,555 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 02:01:33,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:33,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:33,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:33,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:33,583 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:33,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:33,583 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:33,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:33,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:33,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:33,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:33,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:33,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:33,586 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:33,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:33,586 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:33,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:33,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:33,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:33,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:33,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:33,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:33,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:33,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:33,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:33,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:33,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:33,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:33,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:33,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:33,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:33,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:33,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:33,657 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:33,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-08-10 02:01:33,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb84863a9/5f747ff7880149f7be01d9b70fc1570d/FLAG2028cc1a3 [2019-08-10 02:01:34,179 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:34,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-08-10 02:01:34,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb84863a9/5f747ff7880149f7be01d9b70fc1570d/FLAG2028cc1a3 [2019-08-10 02:01:34,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb84863a9/5f747ff7880149f7be01d9b70fc1570d [2019-08-10 02:01:34,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:34,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:34,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:34,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:34,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:34,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:34,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff7d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34, skipping insertion in model container [2019-08-10 02:01:34,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:34,588 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:34,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:34,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:34,867 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:34,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:34,927 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:34,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34 WrapperNode [2019-08-10 02:01:34,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:34,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:34,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:34,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:35,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (1/1) ... [2019-08-10 02:01:35,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:35,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:35,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:35,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:35,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:34" (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 02:01:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-10 02:01:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-10 02:01:35,141 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:35,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 02:01:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 02:01:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-10 02:01:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-10 02:01:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:35,482 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:35,482 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:01:35,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:35 BoogieIcfgContainer [2019-08-10 02:01:35,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:35,484 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:35,485 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:35,490 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:35,491 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,742 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-10 02:01:35,914 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-08-10 02:01:36,141 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-10 02:01:36,289 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-10 02:01:36,406 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:36,414 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:36,416 INFO L168 Benchmark]: Toolchain (without parser) took 1843.77 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 90.3 MB in the beginning and 84.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:36,417 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:36,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.65 ms. Allocated memory is still 134.2 MB. Free memory was 90.1 MB in the beginning and 79.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:36,419 INFO L168 Benchmark]: Boogie Preprocessor took 150.57 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.8 MB in the beginning and 176.6 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:36,420 INFO L168 Benchmark]: RCFGBuilder took 404.33 ms. Allocated memory is still 201.3 MB. Free memory was 176.6 MB in the beginning and 159.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:36,421 INFO L168 Benchmark]: Symbolic Interpretation took 929.52 ms. Allocated memory is still 201.3 MB. Free memory was 159.3 MB in the beginning and 84.4 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:36,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: 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 77#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 355.65 ms. Allocated memory is still 134.2 MB. Free memory was 90.1 MB in the beginning and 79.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.57 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.8 MB in the beginning and 176.6 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 404.33 ms. Allocated memory is still 201.3 MB. Free memory was 176.6 MB in the beginning and 159.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 929.52 ms. Allocated memory is still 201.3 MB. Free memory was 159.3 MB in the beginning and 84.4 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...