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/eca-rers2012/Problem03_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:44,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:44,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:44,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:44,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:44,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:44,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:44,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:44,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:44,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:44,662 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:44,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:44,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:44,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:44,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:44,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:44,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:44,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:44,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:44,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:44,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:44,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:44,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:44,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:44,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:44,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:44,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:44,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:44,688 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 [2019-08-08 10:01:44,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:44,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:44,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:44,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:44,704 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:44,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:44,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:44,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:44,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:44,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:44,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:44,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:44,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:44,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:44,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:44,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:44,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:44,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:44,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:44,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:44,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:44,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:44,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:44,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:44,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:44,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:44,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:44,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:44,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:44,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:44,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:44,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:44,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:44,754 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:44,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label20.c [2019-08-08 10:01:44,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217471e69/7e5f5b56ad44425e95ba78ea960dfd8e/FLAG7320b8500 [2019-08-08 10:01:45,471 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:45,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label20.c [2019-08-08 10:01:45,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217471e69/7e5f5b56ad44425e95ba78ea960dfd8e/FLAG7320b8500 [2019-08-08 10:01:45,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217471e69/7e5f5b56ad44425e95ba78ea960dfd8e [2019-08-08 10:01:45,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:45,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:45,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:45,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:45,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:45,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:45" (1/1) ... [2019-08-08 10:01:45,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228c6b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:45, skipping insertion in model container [2019-08-08 10:01:45,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:45" (1/1) ... [2019-08-08 10:01:45,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:45,756 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:46,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:46,566 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:01:46,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:46,966 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:01:46,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46 WrapperNode [2019-08-08 10:01:46,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:46,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:01:46,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:01:46,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:01:46,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:46,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:47,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:47,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:47,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:47,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:47,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:47,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:01:47,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:01:47,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:01:47,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:01:47,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46" (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 [2019-08-08 10:01:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:01:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:01:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:01:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:01:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:01:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:01:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:01:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:01:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:01:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:01:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:01:51,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:01:51,574 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:01:51,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:51 BoogieIcfgContainer [2019-08-08 10:01:51,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:01:51,576 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:01:51,577 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:01:51,577 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:01:51,578 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:51" (1/1) ... [2019-08-08 10:01:51,590 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:01:51,592 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:01:51,603 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:01:51,613 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:01:51,615 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:01:51,683 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:01:54,783 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:01:55,337 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:01:55,339 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:01:55,342 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 69335#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= ~a27~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a12~0 1)) (= 0 ~a3~0) (not (= ~a11~0 1))) [2019-08-08 10:01:55,343 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:01:55,354 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:01:55,358 INFO L168 Benchmark]: Toolchain (without parser) took 9704.16 ms. Allocated memory was 138.4 MB in the beginning and 440.4 MB in the end (delta: 302.0 MB). Free memory was 80.0 MB in the beginning and 370.6 MB in the end (delta: -290.6 MB). Peak memory consumption was 309.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:55,359 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:01:55,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.01 ms. Allocated memory was 138.4 MB in the beginning and 222.3 MB in the end (delta: 83.9 MB). Free memory was 79.5 MB in the beginning and 170.5 MB in the end (delta: -90.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:55,363 INFO L168 Benchmark]: Boogie Preprocessor took 174.43 ms. Allocated memory is still 222.3 MB. Free memory was 170.5 MB in the beginning and 158.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:55,365 INFO L168 Benchmark]: RCFGBuilder took 4432.87 ms. Allocated memory was 222.3 MB in the beginning and 282.1 MB in the end (delta: 59.8 MB). Free memory was 158.6 MB in the beginning and 86.4 MB in the end (delta: 72.2 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:55,367 INFO L168 Benchmark]: Symbolic Interpretation took 3777.87 ms. Allocated memory was 282.1 MB in the beginning and 440.4 MB in the end (delta: 158.3 MB). Free memory was 86.4 MB in the beginning and 370.6 MB in the end (delta: -284.1 MB). Peak memory consumption was 172.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:55,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1620]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1315.01 ms. Allocated memory was 138.4 MB in the beginning and 222.3 MB in the end (delta: 83.9 MB). Free memory was 79.5 MB in the beginning and 170.5 MB in the end (delta: -90.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.43 ms. Allocated memory is still 222.3 MB. Free memory was 170.5 MB in the beginning and 158.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4432.87 ms. Allocated memory was 222.3 MB in the beginning and 282.1 MB in the end (delta: 59.8 MB). Free memory was 158.6 MB in the beginning and 86.4 MB in the end (delta: 72.2 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3777.87 ms. Allocated memory was 282.1 MB in the beginning and 440.4 MB in the end (delta: 158.3 MB). Free memory was 86.4 MB in the beginning and 370.6 MB in the end (delta: -284.1 MB). Peak memory consumption was 172.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...