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 -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:43:54,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:43:54,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:43:54,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:43:54,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:43:54,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:43:54,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:43:54,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:43:54,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:43:54,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:43:54,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:43:54,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:43:54,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:43:54,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:43:54,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:43:54,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:43:54,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:43:54,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:43:54,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:43:54,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:43:54,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:43:54,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:43:54,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:43:54,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:43:54,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:43:54,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:43:54,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:43:54,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:43:54,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:43:54,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:43:54,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:43:54,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:43:54,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:43:54,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:43:54,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:43:54,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:43:54,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:43:54,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:43:54,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:43:54,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:43:54,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:43:54,396 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 [2019-09-06 12:43:54,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:43:54,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:43:54,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:43:54,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:43:54,421 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:43:54,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:43:54,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:43:54,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:43:54,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:43:54,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:43:54,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:43:54,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:43:54,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:43:54,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:43:54,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:43:54,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:43:54,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:43:54,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:43:54,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:43:54,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:43:54,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:43:54,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:43:54,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:43:54,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:43:54,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:43:54,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:43:54,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:43:54,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:43:54,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 12:43:54,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:43:54,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:43:54,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:43:54,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:43:54,483 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:43:54,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 12:43:54,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7a84aa2/a8c0060d6f194583a551d38ff27e5f82/FLAG49318a316 [2019-09-06 12:43:55,061 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:43:55,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 12:43:55,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7a84aa2/a8c0060d6f194583a551d38ff27e5f82/FLAG49318a316 [2019-09-06 12:43:55,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7a84aa2/a8c0060d6f194583a551d38ff27e5f82 [2019-09-06 12:43:55,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:43:55,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:43:55,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:43:55,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:43:55,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:43:55,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:43:55" (1/1) ... [2019-09-06 12:43:55,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256458f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:55, skipping insertion in model container [2019-09-06 12:43:55,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:43:55" (1/1) ... [2019-09-06 12:43:55,422 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:43:55,487 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:43:55,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:43:55,909 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:43:56,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:43:56,065 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:43:56,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56 WrapperNode [2019-09-06 12:43:56,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:43:56,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:43:56,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:43:56,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:43:56,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (1/1) ... [2019-09-06 12:43:56,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:43:56,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:43:56,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:43:56,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:43:56,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:43:56" (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 [2019-09-06 12:43:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:43:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:43:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:43:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:43:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:43:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:43:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:43:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:43:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:43:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 12:43:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 12:43:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 12:43:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 12:43:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 12:43:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:43:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 12:43:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:43:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:43:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:43:57,380 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:43:57,381 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:43:57,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:43:57 BoogieIcfgContainer [2019-09-06 12:43:57,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:43:57,383 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:43:57,383 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:43:57,384 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:43:57,385 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:43:57" (1/1) ... [2019-09-06 12:43:57,385 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 12:43:57,409 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:43:57,410 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:43:57,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:43:57,431 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:43:57,432 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:43:57,632 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 243 for LOIs [2019-09-06 12:44:11,649 WARN L188 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 323 DAG size of output: 298 [2019-09-06 12:44:14,555 WARN L188 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:44:22,602 WARN L188 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 323 DAG size of output: 299 [2019-09-06 12:44:25,862 WARN L188 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 326 DAG size of output: 302 [2019-09-06 12:44:31,164 WARN L188 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 323 DAG size of output: 298 [2019-09-06 12:44:33,948 WARN L188 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:44:38,631 WARN L188 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 323 DAG size of output: 298 [2019-09-06 12:44:41,562 WARN L188 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:44:48,160 WARN L188 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 323 DAG size of output: 298 [2019-09-06 12:44:50,973 WARN L188 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:44:54,814 WARN L188 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 323 DAG size of output: 298 [2019-09-06 12:44:57,753 WARN L188 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:45:02,829 WARN L188 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 323 DAG size of output: 299 [2019-09-06 12:45:05,720 WARN L188 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 326 DAG size of output: 302 [2019-09-06 12:45:10,510 WARN L188 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 323 DAG size of output: 299 [2019-09-06 12:45:13,386 WARN L188 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:45:17,947 WARN L188 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 323 DAG size of output: 299 [2019-09-06 12:45:20,767 WARN L188 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:45:24,110 WARN L188 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 323 DAG size of output: 298 [2019-09-06 12:45:26,926 WARN L188 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 326 DAG size of output: 301 [2019-09-06 12:45:26,979 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 12:45:26,980 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 12:45:26,982 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 34298#(and (<= 0 main_~__tmp_2~0) (<= ~__return_1389~0 0) (<= 0 main_~assert__arg~1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~__tmp_2~0 1) (<= main_~check__tmp~1 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1) (<= 0 ~__return_1389~0)) [2019-09-06 12:45:26,994 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 12:45:26,994 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 12:45:26,996 INFO L168 Benchmark]: Toolchain (without parser) took 91589.88 ms. Allocated memory was 133.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 88.0 MB in the beginning and 867.4 MB in the end (delta: -779.5 MB). Peak memory consumption was 559.6 MB. Max. memory is 7.1 GB. [2019-09-06 12:45:26,997 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-06 12:45:26,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.94 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 165.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-09-06 12:45:26,999 INFO L168 Benchmark]: Boogie Preprocessor took 74.43 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 162.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-06 12:45:27,000 INFO L168 Benchmark]: RCFGBuilder took 1242.26 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 162.2 MB in the beginning and 194.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-06 12:45:27,001 INFO L168 Benchmark]: Sifa took 89611.06 ms. Allocated memory was 226.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 194.0 MB in the beginning and 867.4 MB in the end (delta: -673.4 MB). Peak memory consumption was 573.3 MB. Max. memory is 7.1 GB. [2019-09-06 12:45:27,005 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 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.94 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 165.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.43 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 162.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1242.26 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 162.2 MB in the beginning and 194.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Sifa took 89611.06 ms. Allocated memory was 226.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 194.0 MB in the beginning and 867.4 MB in the end (delta: -673.4 MB). Peak memory consumption was 573.3 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]: 89573, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25258, DAG_INTERPRETER_EARLY_EXITS: 554, TOOLS_POST_APPLICATIONS: 23746, TOOLS_POST_TIME[ms]: 61959, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 83, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 59059, FLUID_QUERY_TIME[ms]: 323, FLUID_QUERIES: 25268, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10547, DOMAIN_JOIN_TIME[ms]: 6026, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 8631, DOMAIN_ISBOTTOM_TIME[ms]: 14138, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 332, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 314, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 56, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 48, REGEX_TO_DAG_TIME[ms]: 93, DAG_COMPRESSION_TIME[ms]: 4433, DAG_COMPRESSION_PROCESSED_NODES: 470274, DAG_COMPRESSION_RETAINED_NODES: 170235 - UnprovableResult [Line: 536]: 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 34298#(and (<= 0 main_~__tmp_2~0) (<= ~__return_1389~0 0) (<= 0 main_~assert__arg~1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~__tmp_2~0 1) (<= main_~check__tmp~1 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1) (<= 0 ~__return_1389~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...