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/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:13:40,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:13:40,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:13:40,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:13:40,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:13:40,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:13:40,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:13:40,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:13:40,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:13:40,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:13:40,915 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:13:40,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:13:40,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:13:40,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:13:40,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:13:40,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:13:40,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:13:40,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:13:40,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:13:40,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:13:40,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:13:40,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:13:40,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:13:40,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:13:40,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 06:13:40,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:13:40,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:13:40,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:13:40,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:13:40,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:13:40,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:13:40,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:13:40,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:13:40,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:13:40,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:13:40,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:13:40,949 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 06:13:40,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:13:40,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:13:40,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:13:40,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:13:40,977 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:13:40,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:13:40,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:13:40,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:13:40,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:13:40,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:13:40,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:13:40,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:13:40,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:13:40,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:13:40,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:13:40,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:13:40,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:13:40,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:13:40,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:13:40,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:13:40,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:13:40,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:13:40,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:13:40,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:13:40,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:13:40,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:13:40,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:13:40,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:13:40,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:13:41,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:13:41,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:13:41,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:13:41,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:13:41,059 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:13:41,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-08-10 06:13:41,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ab45e99/af08852a615b480cb9ac0274572c734a/FLAGa75ffa6fd [2019-08-10 06:13:41,638 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:13:41,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-08-10 06:13:41,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ab45e99/af08852a615b480cb9ac0274572c734a/FLAGa75ffa6fd [2019-08-10 06:13:41,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ab45e99/af08852a615b480cb9ac0274572c734a [2019-08-10 06:13:42,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:13:42,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:13:42,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:13:42,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:13:42,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:13:42,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:13:41" (1/1) ... [2019-08-10 06:13:42,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306269c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42, skipping insertion in model container [2019-08-10 06:13:42,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:13:41" (1/1) ... [2019-08-10 06:13:42,021 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:13:42,068 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:13:42,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:13:42,332 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:13:42,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:13:42,523 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:13:42,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42 WrapperNode [2019-08-10 06:13:42,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:13:42,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:13:42,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:13:42,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:13:42,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (1/1) ... [2019-08-10 06:13:42,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:13:42,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:13:42,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:13:42,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:13:42,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:42" (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 06:13:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:13:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:13:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:13:43,109 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:13:43,110 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:13:43,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:13:43 BoogieIcfgContainer [2019-08-10 06:13:43,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:13:43,112 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:13:43,112 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:13:43,112 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:13:43,113 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:13:43" (1/1) ... [2019-08-10 06:13:43,434 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-08-10 06:13:43,582 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-10 06:14:13,609 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:14:13,616 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:14:13,618 INFO L168 Benchmark]: Toolchain (without parser) took 31615.70 ms. Allocated memory was 132.6 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 86.1 MB in the beginning and 414.7 MB in the end (delta: -328.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-10 06:14:13,619 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 132.6 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 06:14:13,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.76 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 85.9 MB in the beginning and 174.6 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:13,621 INFO L168 Benchmark]: Boogie Preprocessor took 41.95 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 172.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:13,621 INFO L168 Benchmark]: RCFGBuilder took 545.01 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 143.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:13,622 INFO L168 Benchmark]: Symbolic Interpretation took 30504.45 ms. Allocated memory was 199.2 MB in the beginning and 1.1 GB in the end (delta: 941.1 MB). Free memory was 143.1 MB in the beginning and 414.7 MB in the end (delta: -271.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-10 06:14:13,627 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 185]: 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 102702#(and (= 0 (mod main_~assert__arg~0 256)) (= main_~__tmp_1~0 main_~assert__arg~0) (= ~__return_1482~0 main_~check__tmp~0) (= main_~main__c1~0 ~__return_1482~0) (= main_~__tmp_1~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 132.6 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 518.76 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 85.9 MB in the beginning and 174.6 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.95 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 172.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 545.01 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 143.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 30504.45 ms. Allocated memory was 199.2 MB in the beginning and 1.1 GB in the end (delta: 941.1 MB). Free memory was 143.1 MB in the beginning and 414.7 MB in the end (delta: -271.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...