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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:02:31,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:02:31,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:02:31,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:02:31,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:02:31,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:02:31,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:02:31,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:02:31,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:02:31,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:02:31,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:02:31,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:02:31,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:02:31,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:02:31,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:02:31,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:02:31,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:02:31,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:02:31,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:02:31,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:02:31,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:02:31,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:02:31,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:02:31,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:02:31,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:02:31,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:02:31,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:02:31,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:02:31,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:02:31,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:02:31,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:02:31,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:02:31,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:02:31,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:02:31,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:02:31,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:02:31,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:02:31,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:02:31,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:02:31,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:02:31,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:02:31,832 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 [2019-10-15 07:02:31,857 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:02:31,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:02:31,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:02:31,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:02:31,859 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:02:31,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:02:31,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:02:31,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:02:31,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:02:31,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:02:31,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:02:31,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:02:31,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:02:31,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:02:31,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:02:31,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:02:31,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:02:31,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:02:31,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:02:31,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:02:31,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:02:31,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:02:31,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:02:31,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:02:31,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:02:31,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:02:31,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:02:31,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:02:31,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:02:32,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:02:32,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:02:32,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:02:32,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:02:32,166 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:02:32,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-10-15 07:02:32,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b6e6ef7/6f0a4afdba914f8cbb7e5b9e00785c1f/FLAGce2df9de9 [2019-10-15 07:02:32,743 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:02:32,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-10-15 07:02:32,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b6e6ef7/6f0a4afdba914f8cbb7e5b9e00785c1f/FLAGce2df9de9 [2019-10-15 07:02:33,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b6e6ef7/6f0a4afdba914f8cbb7e5b9e00785c1f [2019-10-15 07:02:33,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:02:33,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:02:33,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:02:33,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:02:33,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:02:33,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aadee4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33, skipping insertion in model container [2019-10-15 07:02:33,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,133 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:02:33,197 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:02:33,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:02:33,517 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:02:33,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:02:33,697 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:02:33,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33 WrapperNode [2019-10-15 07:02:33,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:02:33,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:02:33,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:02:33,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:02:33,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (1/1) ... [2019-10-15 07:02:33,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:02:33,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:02:33,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:02:33,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:02:33,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:33" (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 [2019-10-15 07:02:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:02:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:02:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:02:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:02:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 07:02:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 07:02:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-15 07:02:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-15 07:02:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 07:02:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-15 07:02:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-15 07:02:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-15 07:02:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-15 07:02:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-15 07:02:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-15 07:02:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-15 07:02:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:02:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:02:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:02:34,717 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:02:34,718 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 07:02:34,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:02:34 BoogieIcfgContainer [2019-10-15 07:02:34,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:02:34,720 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:02:34,720 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:02:34,721 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:02:34,722 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:02:34" (1/1) ... [2019-10-15 07:02:34,723 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 07:02:34,750 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:02:34,750 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:02:34,759 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:02:34,769 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:02:34,771 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:02:35,331 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 172 for LOIs [2019-10-15 07:02:35,959 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2019-10-15 07:02:36,303 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2019-10-15 07:02:36,869 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-10-15 07:02:37,817 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-10-15 07:02:38,110 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-10-15 07:02:39,403 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2019-10-15 07:02:39,905 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-15 07:02:40,492 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2019-10-15 07:02:40,905 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-10-15 07:02:41,914 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-10-15 07:02:42,609 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-10-15 07:02:42,782 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2019-10-15 07:02:42,981 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2019-10-15 07:02:43,387 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2019-10-15 07:02:43,891 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 07:02:44,262 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2019-10-15 07:02:44,574 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2019-10-15 07:02:44,868 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-10-15 07:02:45,793 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-15 07:02:50,185 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,359 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,502 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,636 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:50,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:53,394 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:53,424 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:53,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:53,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:53,740 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:53,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:54,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:54,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:02:56,190 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-10-15 07:03:00,899 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-15 07:03:03,644 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:03:03,659 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:03:03,659 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:03:03,661 INFO L168 Benchmark]: Toolchain (without parser) took 30555.45 ms. Allocated memory was 138.9 MB in the beginning and 708.3 MB in the end (delta: 569.4 MB). Free memory was 101.7 MB in the beginning and 359.0 MB in the end (delta: -257.3 MB). Peak memory consumption was 312.1 MB. Max. memory is 7.1 GB. [2019-10-15 07:03:03,662 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:03:03,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.91 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 178.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-15 07:03:03,664 INFO L168 Benchmark]: Boogie Preprocessor took 51.11 ms. Allocated memory is still 202.4 MB. Free memory was 178.0 MB in the beginning and 176.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:03:03,665 INFO L168 Benchmark]: RCFGBuilder took 969.42 ms. Allocated memory is still 202.4 MB. Free memory was 176.0 MB in the beginning and 114.3 MB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. [2019-10-15 07:03:03,666 INFO L168 Benchmark]: Sifa took 28939.46 ms. Allocated memory was 202.4 MB in the beginning and 708.3 MB in the end (delta: 505.9 MB). Free memory was 114.3 MB in the beginning and 359.0 MB in the end (delta: -244.7 MB). Peak memory consumption was 261.3 MB. Max. memory is 7.1 GB. [2019-10-15 07:03:03,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 589.91 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 178.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.11 ms. Allocated memory is still 202.4 MB. Free memory was 178.0 MB in the beginning and 176.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 969.42 ms. Allocated memory is still 202.4 MB. Free memory was 176.0 MB in the beginning and 114.3 MB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. * Sifa took 28939.46 ms. Allocated memory was 202.4 MB in the beginning and 708.3 MB in the end (delta: 505.9 MB). Free memory was 114.3 MB in the beginning and 359.0 MB in the end (delta: -244.7 MB). Peak memory consumption was 261.3 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]: 28895, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1808, DAG_INTERPRETER_EARLY_EXITS: 53, TOOLS_POST_APPLICATIONS: 1792, TOOLS_POST_TIME[ms]: 1506, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 55, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1795, TOOLS_QUANTIFIERELIM_TIME[ms]: 1196, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 255, FLUID_QUERY_TIME[ms]: 51, FLUID_QUERIES: 1817, FLUID_YES_ANSWERS: 24, DOMAIN_JOIN_APPLICATIONS: 497, DOMAIN_JOIN_TIME[ms]: 23834, DOMAIN_ALPHA_APPLICATIONS: 24, DOMAIN_ALPHA_TIME[ms]: 1860, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 587, DOMAIN_ISBOTTOM_TIME[ms]: 1246, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 26672, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26671, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 458, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 458, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 114, DAG_COMPRESSION_PROCESSED_NODES: 2861, DAG_COMPRESSION_RETAINED_NODES: 839 - UnprovableResult [Line: 200]: 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 20646#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= 0 ~__return_6075~0) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= ~__return_6075~0 1) (<= 0 main_~__tmp_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...