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 --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/locks/test_locks_7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:10:50,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:10:50,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:10:50,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:10:50,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:10:50,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:10:50,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:10:50,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:10:50,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:10:50,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:10:50,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:10:50,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:10:50,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:10:50,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:10:50,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:10:50,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:10:50,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:10:50,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:10:50,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:10:50,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:10:50,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:10:50,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:10:50,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:10:50,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:10:50,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:10:50,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:10:50,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:10:50,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:10:50,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:10:50,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:10:50,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:10:50,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:10:50,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:10:50,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:10:50,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:10:50,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:10:50,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:10:50,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:10:50,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:10:50,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:10:50,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:10:50,810 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 [2019-09-21 09:10:50,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:10:50,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:10:50,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:10:50,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:10:50,836 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:10:50,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:10:50,837 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:10:50,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:10:50,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:10:50,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:10:50,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:10:50,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:10:50,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:10:50,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:10:50,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:10:50,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:10:50,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:10:50,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:10:50,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:10:50,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:10:50,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:10:50,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:10:50,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:10:50,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:10:50,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:10:50,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:10:50,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:10:50,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:10:50,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:10:50,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:10:50,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:10:50,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:10:50,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:10:50,930 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:10:50,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_7.c [2019-09-21 09:10:51,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4df506f06/619317afc4124a45837ac9786a1da255/FLAGceef05809 [2019-09-21 09:10:51,506 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:10:51,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_7.c [2019-09-21 09:10:51,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4df506f06/619317afc4124a45837ac9786a1da255/FLAGceef05809 [2019-09-21 09:10:51,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4df506f06/619317afc4124a45837ac9786a1da255 [2019-09-21 09:10:51,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:10:51,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:10:51,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:51,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:10:51,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:10:51,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:51" (1/1) ... [2019-09-21 09:10:51,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580f83ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:51, skipping insertion in model container [2019-09-21 09:10:51,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:51" (1/1) ... [2019-09-21 09:10:51,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:10:51,922 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:10:52,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:52,152 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:10:52,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:52,287 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:10:52,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52 WrapperNode [2019-09-21 09:10:52,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:52,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:10:52,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:10:52,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:10:52,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:10:52,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:10:52,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:10:52,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:10:52,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:52" (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 [2019-09-21 09:10:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:10:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:10:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:10:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:10:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:10:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:10:52,854 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:10:52,854 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:10:52,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:52 BoogieIcfgContainer [2019-09-21 09:10:52,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:10:52,856 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:10:52,856 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:10:52,857 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:10:52,858 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:52" (1/1) ... [2019-09-21 09:10:52,859 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:10:52,887 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:10:52,888 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:10:52,896 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:10:52,908 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:10:52,909 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:10:52,993 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:10:53,082 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 09:10:54,722 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 214 [2019-09-21 09:10:55,462 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-21 09:10:56,665 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 214 [2019-09-21 09:10:56,930 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 09:10:57,661 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-09-21 09:10:58,029 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-21 09:10:58,300 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-21 09:10:58,636 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-21 09:10:58,767 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-21 09:10:58,989 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-21 09:10:59,622 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-09-21 09:11:00,185 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-09-21 09:11:00,446 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-21 09:11:01,164 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-09-21 09:11:01,376 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:11:01,377 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:11:01,379 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 145#(and (<= main_~p1~0 2147483647) (<= 0 main_~lk4~0) (<= main_~p5~0 2147483647) (<= main_~lk7~0 1) (<= main_~p6~0 2147483647) (<= main_~p3~0 2147483647) (<= main_~lk4~0 1) (<= 0 main_~lk7~0) (<= main_~cond~0 2147483647) (<= 0 main_~lk1~0) (<= 0 (+ main_~p1~0 2147483648)) (<= 0 (+ main_~p7~0 2147483648)) (<= main_~p7~0 2147483647) (<= 0 main_~lk6~0) (<= 0 (+ main_~cond~0 2147483648)) (<= main_~p2~0 2147483647) (<= 0 main_~lk5~0) (<= 0 main_~lk2~0) (<= 0 (+ main_~p3~0 2147483648)) (<= main_~lk3~0 1) (<= 0 (+ main_~p4~0 2147483648)) (<= main_~lk6~0 1) (<= 0 (+ main_~p2~0 2147483648)) (<= 0 (+ main_~p5~0 2147483648)) (<= 0 (+ main_~p6~0 2147483648)) (<= main_~lk2~0 1) (<= 0 main_~lk3~0) (<= main_~lk1~0 1) (<= main_~lk5~0 1) (<= main_~p4~0 2147483647)) [2019-09-21 09:11:01,393 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:11:01,393 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:11:01,395 INFO L168 Benchmark]: Toolchain (without parser) took 9508.96 ms. Allocated memory was 141.0 MB in the beginning and 482.3 MB in the end (delta: 341.3 MB). Free memory was 88.7 MB in the beginning and 86.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 343.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:01,396 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:11:01,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.94 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.5 MB in the beginning and 178.8 MB in the end (delta: -90.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:01,398 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 176.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:01,399 INFO L168 Benchmark]: RCFGBuilder took 527.52 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 150.7 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:01,400 INFO L168 Benchmark]: Sifa took 8537.08 ms. Allocated memory was 200.3 MB in the beginning and 482.3 MB in the end (delta: 282.1 MB). Free memory was 150.7 MB in the beginning and 86.9 MB in the end (delta: 63.8 MB). Peak memory consumption was 345.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:01,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 401.94 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.5 MB in the beginning and 178.8 MB in the end (delta: -90.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.06 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 176.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 527.52 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 150.7 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Sifa took 8537.08 ms. Allocated memory was 200.3 MB in the beginning and 482.3 MB in the end (delta: 282.1 MB). Free memory was 150.7 MB in the beginning and 86.9 MB in the end (delta: 63.8 MB). Peak memory consumption was 345.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 8492, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 88, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 78, TOOLS_POST_TIME[ms]: 131, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 6, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 81, TOOLS_QUANTIFIERELIM_TIME[ms]: 101, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 89, FLUID_YES_ANSWERS: 13, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME[ms]: 487, DOMAIN_ALPHA_APPLICATIONS: 13, DOMAIN_ALPHA_TIME[ms]: 7527, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 210, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3867, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3865, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 48, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 47, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 491, DAG_COMPRESSION_RETAINED_NODES: 165 - UnprovableResult [Line: 119]: 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 145#(and (<= main_~p1~0 2147483647) (<= 0 main_~lk4~0) (<= main_~p5~0 2147483647) (<= main_~lk7~0 1) (<= main_~p6~0 2147483647) (<= main_~p3~0 2147483647) (<= main_~lk4~0 1) (<= 0 main_~lk7~0) (<= main_~cond~0 2147483647) (<= 0 main_~lk1~0) (<= 0 (+ main_~p1~0 2147483648)) (<= 0 (+ main_~p7~0 2147483648)) (<= main_~p7~0 2147483647) (<= 0 main_~lk6~0) (<= 0 (+ main_~cond~0 2147483648)) (<= main_~p2~0 2147483647) (<= 0 main_~lk5~0) (<= 0 main_~lk2~0) (<= 0 (+ main_~p3~0 2147483648)) (<= main_~lk3~0 1) (<= 0 (+ main_~p4~0 2147483648)) (<= main_~lk6~0 1) (<= 0 (+ main_~p2~0 2147483648)) (<= 0 (+ main_~p5~0 2147483648)) (<= 0 (+ main_~p6~0 2147483648)) (<= main_~lk2~0 1) (<= 0 main_~lk3~0) (<= main_~lk1~0 1) (<= main_~lk5~0 1) (<= main_~p4~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...