/usr/bin/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.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:56:33,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:56:33,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:56:33,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:56:33,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:56:33,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:56:33,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:56:33,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:56:33,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:56:33,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:56:33,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:56:33,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:56:33,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:56:33,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:56:33,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:56:33,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:56:33,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:56:33,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:56:33,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:56:33,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:56:33,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:56:33,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:56:33,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:56:33,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:56:33,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:56:33,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:56:33,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:56:33,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:56:33,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:56:33,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:56:33,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:56:33,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:56:33,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:56:33,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:56:33,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:56:33,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:56:33,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:56:33,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:56:33,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:56:33,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:56:33,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:56:33,227 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 [2019-11-07 10:56:33,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:56:33,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:56:33,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:56:33,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:56:33,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:56:33,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:56:33,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:56:33,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:56:33,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:56:33,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:56:33,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:56:33,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:56:33,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:56:33,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:56:33,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:56:33,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:56:33,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:56:33,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:56:33,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:56:33,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:56:33,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:56:33,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:56:33,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:56:33,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:56:33,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:56:33,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:56:33,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:56:33,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:56:33,248 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 [2019-11-07 10:56:33,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:56:33,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:56:33,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:56:33,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:56:33,563 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:56:33,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-11-07 10:56:33,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e42b53e0/0b0cfe661cff4a88b97818b9954a8393/FLAG700b64a05 [2019-11-07 10:56:34,179 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:56:34,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-11-07 10:56:34,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e42b53e0/0b0cfe661cff4a88b97818b9954a8393/FLAG700b64a05 [2019-11-07 10:56:34,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e42b53e0/0b0cfe661cff4a88b97818b9954a8393 [2019-11-07 10:56:34,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:56:34,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:56:34,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:56:34,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:56:34,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:56:34,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:34" (1/1) ... [2019-11-07 10:56:34,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180a2c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34, skipping insertion in model container [2019-11-07 10:56:34,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:34" (1/1) ... [2019-11-07 10:56:34,503 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:56:34,544 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:56:34,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:56:34,982 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:56:35,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:56:35,099 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:56:35,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35 WrapperNode [2019-11-07 10:56:35,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:56:35,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:56:35,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:56:35,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:56:35,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (1/1) ... [2019-11-07 10:56:35,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:56:35,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:56:35,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:56:35,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:56:35,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:35" (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 [2019-11-07 10:56:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:56:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:56:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:56:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:56:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 10:56:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 10:56:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 10:56:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:56:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 10:56:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 10:56:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 10:56:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 10:56:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 10:56:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 10:56:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 10:56:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:56:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:56:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:56:36,469 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:56:36,470 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:56:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:36 BoogieIcfgContainer [2019-11-07 10:56:36,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:56:36,472 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:56:36,472 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:56:36,473 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:56:36,474 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:36" (1/1) ... [2019-11-07 10:56:36,474 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 [2019-11-07 10:56:36,499 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:56:36,500 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:56:36,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:56:36,526 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:56:36,527 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:56:36,839 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-07 10:56:36,954 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 155 for LOIs [2019-11-07 10:56:37,730 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-07 10:56:37,857 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-07 10:56:38,391 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2019-11-07 10:56:38,668 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 357 [2019-11-07 10:56:39,142 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2019-11-07 10:56:39,323 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2019-11-07 10:56:39,640 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 268 [2019-11-07 10:56:39,820 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2019-11-07 10:56:39,946 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2019-11-07 10:56:40,120 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 269 [2019-11-07 10:56:40,333 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 299 [2019-11-07 10:56:40,699 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2019-11-07 10:56:40,953 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 261 [2019-11-07 10:56:41,185 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-11-07 10:56:41,576 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2019-11-07 10:56:41,837 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-11-07 10:56:42,070 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-11-07 10:56:43,981 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 258 [2019-11-07 10:56:44,133 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2019-11-07 10:56:44,350 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-11-07 10:56:44,605 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 10:56:44,938 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-11-07 10:56:46,287 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 268 [2019-11-07 10:56:46,531 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2019-11-07 10:56:46,827 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2019-11-07 10:56:47,213 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-11-07 10:56:47,605 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-11-07 10:56:48,358 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2019-11-07 10:56:48,665 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-11-07 10:56:48,877 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2019-11-07 10:56:49,014 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2019-11-07 10:56:49,140 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-11-07 10:56:49,275 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 288 [2019-11-07 10:56:51,727 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2019-11-07 10:56:55,675 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:56:55,688 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:56:55,689 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:56:55,691 INFO L168 Benchmark]: Toolchain (without parser) took 21202.59 ms. Allocated memory was 145.2 MB in the beginning and 767.6 MB in the end (delta: 622.3 MB). Free memory was 102.3 MB in the beginning and 675.7 MB in the end (delta: -573.4 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:56:55,691 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:56:55,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.12 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 175.3 MB in the end (delta: -73.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:56:55,693 INFO L168 Benchmark]: Boogie Preprocessor took 58.05 ms. Allocated memory is still 202.4 MB. Free memory was 175.3 MB in the beginning and 172.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:56:55,694 INFO L168 Benchmark]: RCFGBuilder took 1312.81 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 172.3 MB in the beginning and 181.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:56:55,695 INFO L168 Benchmark]: Sifa took 19216.76 ms. Allocated memory was 235.4 MB in the beginning and 767.6 MB in the end (delta: 532.2 MB). Free memory was 181.3 MB in the beginning and 675.7 MB in the end (delta: -494.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:56:55,699 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 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 611.12 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 175.3 MB in the end (delta: -73.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.05 ms. Allocated memory is still 202.4 MB. Free memory was 175.3 MB in the beginning and 172.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1312.81 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 172.3 MB in the beginning and 181.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * Sifa took 19216.76 ms. Allocated memory was 235.4 MB in the beginning and 767.6 MB in the end (delta: 532.2 MB). Free memory was 181.3 MB in the beginning and 675.7 MB in the end (delta: -494.4 MB). Peak memory consumption was 37.8 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]: 19177, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 154, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 536, TOOLS_POST_TIME[ms]: 2986, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 50, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 539, TOOLS_QUANTIFIERELIM_TIME[ms]: 2869, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 571, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 558, FLUID_YES_ANSWERS: 17, DOMAIN_JOIN_APPLICATIONS: 152, DOMAIN_JOIN_TIME[ms]: 11334, DOMAIN_ALPHA_APPLICATIONS: 17, DOMAIN_ALPHA_TIME[ms]: 3285, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 115, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 154, DOMAIN_ISBOTTOM_TIME[ms]: 641, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3443, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3442, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 314, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 314, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 570, DAG_COMPRESSION_PROCESSED_NODES: 23184, DAG_COMPRESSION_RETAINED_NODES: 338 - UnprovableResult [Line: 383]: 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 3026#(and (= 0 (mod main_~assert__arg~2 256)) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= main_~assert__arg~2 1) (<= 0 main_~__tmp_3~0) (<= 0 ~__return_6276~0) (<= ~__return_6276~0 1) (<= ~mode2~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...