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 0.1.24-673a906-m [2019-10-04 13:07:52,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:07:52,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:07:52,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:07:52,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:07:52,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:07:52,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:07:52,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:07:52,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:07:52,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:07:52,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:07:52,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:07:52,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:07:52,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:07:52,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:07:52,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:07:52,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:07:52,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:07:52,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:07:52,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:07:52,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:07:52,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:07:52,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:07:52,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:07:52,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:07:52,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:07:52,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:07:52,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:07:52,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:07:52,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:07:52,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:07:52,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:07:52,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:07:52,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:07:52,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:07:52,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:07:52,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:07:52,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:07:52,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:07:52,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:07:52,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:07:52,066 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 [2019-10-04 13:07:52,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:07:52,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:07:52,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:07:52,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:07:52,092 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:07:52,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:07:52,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:07:52,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:07:52,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:07:52,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:07:52,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:07:52,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:07:52,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:07:52,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:07:52,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:07:52,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:07:52,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:07:52,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:07:52,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:07:52,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:07:52,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:07:52,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:07:52,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:07:52,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:07:52,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:07:52,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:07:52,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:07:52,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:07:52,100 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 [2019-10-04 13:07:52,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:07:52,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:07:52,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:07:52,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:07:52,162 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:07:52,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-10-04 13:07:52,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7372490/26ea05a6100c4f0db7fbce80959c0e01/FLAG34dfd7067 [2019-10-04 13:07:52,779 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:07:52,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-10-04 13:07:52,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7372490/26ea05a6100c4f0db7fbce80959c0e01/FLAG34dfd7067 [2019-10-04 13:07:53,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7372490/26ea05a6100c4f0db7fbce80959c0e01 [2019-10-04 13:07:53,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:07:53,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:07:53,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:07:53,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:07:53,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:07:53,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4345f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53, skipping insertion in model container [2019-10-04 13:07:53,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,120 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:07:53,157 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:07:53,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:07:53,542 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:07:53,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:07:53,631 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:07:53,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53 WrapperNode [2019-10-04 13:07:53,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:07:53,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:07:53,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:07:53,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:07:53,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (1/1) ... [2019-10-04 13:07:53,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:07:53,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:07:53,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:07:53,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:07:53,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:07:53" (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 [2019-10-04 13:07:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:07:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:07:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-04 13:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-04 13:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-04 13:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-04 13:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:07:54,630 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:07:54,630 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 13:07:54,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:54 BoogieIcfgContainer [2019-10-04 13:07:54,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:07:54,633 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:07:54,633 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:07:54,634 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:07:54,635 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:54" (1/1) ... [2019-10-04 13:07:54,636 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 [2019-10-04 13:07:54,667 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 13:07:54,668 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:07:54,678 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:07:54,688 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:07:54,690 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:07:54,957 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-10-04 13:07:55,269 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 172 for LOIs [2019-10-04 13:07:55,804 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2019-10-04 13:07:56,167 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2019-10-04 13:07:56,758 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-10-04 13:07:58,277 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-10-04 13:07:59,384 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-10-04 13:07:59,699 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2019-10-04 13:08:00,226 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-04 13:08:01,025 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-10-04 13:08:01,976 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-10-04 13:08:02,535 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-10-04 13:08:02,849 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2019-10-04 13:08:03,041 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2019-10-04 13:08:03,438 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2019-10-04 13:08:03,962 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-10-04 13:08:04,338 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2019-10-04 13:08:04,574 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2019-10-04 13:08:04,723 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2019-10-04 13:08:05,043 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-10-04 13:08:05,447 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2019-10-04 13:08:06,018 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-04 13:08:07,343 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-10-04 13:08:10,470 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:10,515 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:10,621 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:10,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:10,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:10,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:10,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:11,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,216 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,410 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,504 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,533 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,635 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:14,754 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 13:08:20,961 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-04 13:08:23,784 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 13:08:23,785 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 13:08:23,787 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 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)) [2019-10-04 13:08:23,799 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 13:08:23,800 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 13:08:23,802 INFO L168 Benchmark]: Toolchain (without parser) took 30699.78 ms. Allocated memory was 133.7 MB in the beginning and 845.2 MB in the end (delta: 711.5 MB). Free memory was 88.0 MB in the beginning and 220.2 MB in the end (delta: -132.1 MB). Peak memory consumption was 579.3 MB. Max. memory is 7.1 GB. [2019-10-04 13:08:23,803 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-04 13:08:23,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.51 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.8 MB in the beginning and 172.2 MB in the end (delta: -84.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-04 13:08:23,805 INFO L168 Benchmark]: Boogie Preprocessor took 46.23 ms. Allocated memory is still 199.8 MB. Free memory was 172.2 MB in the beginning and 170.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-10-04 13:08:23,805 INFO L168 Benchmark]: RCFGBuilder took 953.07 ms. Allocated memory is still 199.8 MB. Free memory was 170.3 MB in the beginning and 107.8 MB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. [2019-10-04 13:08:23,806 INFO L168 Benchmark]: Sifa took 29166.80 ms. Allocated memory was 199.8 MB in the beginning and 845.2 MB in the end (delta: 645.4 MB). Free memory was 107.8 MB in the beginning and 220.2 MB in the end (delta: -112.3 MB). Peak memory consumption was 533.1 MB. Max. memory is 7.1 GB. [2019-10-04 13:08:23,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 529.51 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.8 MB in the beginning and 172.2 MB in the end (delta: -84.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.23 ms. Allocated memory is still 199.8 MB. Free memory was 172.2 MB in the beginning and 170.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 953.07 ms. Allocated memory is still 199.8 MB. Free memory was 170.3 MB in the beginning and 107.8 MB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. * Sifa took 29166.80 ms. Allocated memory was 199.8 MB in the beginning and 845.2 MB in the end (delta: 645.4 MB). Free memory was 107.8 MB in the beginning and 220.2 MB in the end (delta: -112.3 MB). Peak memory consumption was 533.1 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]: 29120, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1808, DAG_INTERPRETER_EARLY_EXITS: 53, TOOLS_POST_APPLICATIONS: 1792, TOOLS_POST_TIME[ms]: 1557, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 47, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1795, TOOLS_QUANTIFIERELIM_TIME[ms]: 1247, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 269, FLUID_QUERY_TIME[ms]: 51, FLUID_QUERIES: 1817, FLUID_YES_ANSWERS: 24, DOMAIN_JOIN_APPLICATIONS: 497, DOMAIN_JOIN_TIME[ms]: 24044, DOMAIN_ALPHA_APPLICATIONS: 24, DOMAIN_ALPHA_TIME[ms]: 1878, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 587, DOMAIN_ISBOTTOM_TIME[ms]: 1203, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 26959, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26958, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 477, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 473, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 113, 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...