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/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:54:23,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:54:23,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:54:23,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:54:23,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:54:23,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:54:23,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:54:23,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:54:23,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:54:23,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:54:23,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:54:23,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:54:23,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:54:23,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:54:23,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:54:23,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:54:23,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:54:23,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:54:23,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:54:23,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:54:23,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:54:23,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:54:23,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:54:23,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:54:23,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:54:23,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:54:23,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:54:23,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:54:23,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:54:23,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:54:23,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:54:23,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:54:23,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:54:23,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:54:23,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:54:23,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:54:23,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:54:23,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:54:23,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:54:23,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:54:23,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:54:23,679 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 11:54:23,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:54:23,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:54:23,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:54:23,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:54:23,705 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:54:23,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:54:23,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:54:23,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:54:23,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:54:23,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:54:23,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:54:23,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:54:23,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:54:23,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:54:23,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:54:23,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:54:23,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:54:23,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:54:23,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:54:23,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:54:23,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:54:23,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:54:23,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:54:23,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:54:23,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:54:23,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:54:23,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:54:23,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:54:23,715 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 11:54:23,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:54:23,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:54:23,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:54:23,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:54:23,780 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:54:23,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2019-09-06 11:54:23,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f02b129/6e9c722cd397441f916017dfa5297999/FLAG563b6c184 [2019-09-06 11:54:24,479 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:54:24,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2019-09-06 11:54:24,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f02b129/6e9c722cd397441f916017dfa5297999/FLAG563b6c184 [2019-09-06 11:54:24,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f02b129/6e9c722cd397441f916017dfa5297999 [2019-09-06 11:54:24,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:54:24,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:54:24,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:54:24,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:54:24,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:54:24,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:54:24" (1/1) ... [2019-09-06 11:54:24,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b533bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:24, skipping insertion in model container [2019-09-06 11:54:24,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:54:24" (1/1) ... [2019-09-06 11:54:24,720 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:54:24,784 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:54:25,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:54:25,239 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:54:25,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:54:25,365 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:54:25,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25 WrapperNode [2019-09-06 11:54:25,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:54:25,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:54:25,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:54:25,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:54:25,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (1/1) ... [2019-09-06 11:54:25,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:54:25,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:54:25,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:54:25,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:54:25,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:54:25" (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 11:54:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:54:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:54:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-06 11:54:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-06 11:54:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-06 11:54:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-06 11:54:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 11:54:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 11:54:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:54:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 11:54:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:54:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 11:54:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 11:54:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 11:54:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 11:54:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 11:54:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:54:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 11:54:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 11:54:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 11:54:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 11:54:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 11:54:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 11:54:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 11:54:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:54:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:54:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:54:27,090 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:54:27,091 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 11:54:27,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:54:27 BoogieIcfgContainer [2019-09-06 11:54:27,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:54:27,093 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:54:27,093 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:54:27,093 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:54:27,094 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:54:27" (1/1) ... [2019-09-06 11:54:27,095 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 11:54:27,119 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:54:27,119 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:54:27,135 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:54:27,149 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:54:27,150 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:54:27,326 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 383 for LOIs [2019-09-06 11:57:31,258 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 277 DAG size of output: 276 [2019-09-06 11:57:33,060 WARN L188 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 274 DAG size of output: 272 [2019-09-06 11:57:34,854 WARN L188 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 274 DAG size of output: 273 [2019-09-06 11:57:36,627 WARN L188 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 271 DAG size of output: 269 [2019-09-06 11:57:38,268 WARN L188 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2019-09-06 11:57:39,594 WARN L188 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 234 DAG size of output: 232 [2019-09-06 11:57:41,011 WARN L188 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2019-09-06 11:57:41,683 WARN L188 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2019-09-06 11:57:42,793 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2019-09-06 11:57:43,832 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2019-09-06 11:57:44,897 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:57:45,415 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:57:46,477 WARN L188 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:57:46,985 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:57:48,031 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:57:48,552 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:57:49,664 WARN L188 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2019-09-06 11:57:50,700 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2019-09-06 11:57:51,799 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:57:52,307 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:57:53,429 WARN L188 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-09-06 11:57:54,156 WARN L188 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 158 [2019-09-06 11:57:54,931 WARN L188 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-09-06 11:57:55,657 WARN L188 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-06 11:57:57,170 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 125 for LOIs [2019-09-06 11:57:57,173 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:57:57,173 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:57:57,190 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74601#(or (and (<= 0 (+ ~id3~0 128)) (<= 0 ~p14~0) (<= ~mode2~0 1) (<= (+ ~p31_new~0 1) 0) (<= 0 ~p34~0) (<= (+ ~p32_new~0 1) 0) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~mode3~0 1) (<= ~p41~0 0) (<= (+ ~p41_new~0 1) 0) (<= 0 (+ ~p43_new~0 1)) (<= 0 ~p21~0) (<= 0 (+ ~p21_new~0 1)) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= (+ ~nomsg~0 1) 0) (<= (+ ~p43_new~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p43~0) (<= 0 ~p31~0) (<= (+ ~p42_new~0 1) 0) (<= 0 (+ ~p34_new~0 1)) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= ~p13~0 0) (<= 0 ~p32~0) (<= ~id4~0 127) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0) (<= 0 ~mode1~0) (<= 0 (+ ~p42_new~0 1)) (<= ~p32~0 0) (<= |assert_#in~arg| 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= 0 assert_~arg) (<= ~p12~0 0) (<= 0 ~p41~0) (<= ~p34~0 0) (<= (+ ~p14_new~0 1) 0) (<= assert_~arg 0) (<= 0 ~p24~0) (<= (+ ~p13_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 ~p42~0) (<= 0 (+ ~p24_new~0 1)) (<= ~p14~0 0) (<= ~id2~0 127) (<= 0 (+ ~p14_new~0 1)) (<= 0 (+ ~p41_new~0 1)) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= (+ ~p24_new~0 1) 0) (<= (+ ~p34_new~0 1) 0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= ~id3~0 127) (<= ~p43~0 0) (<= 0 (+ ~p31_new~0 1)) (<= ~p42~0 0) (<= 0 ~p23~0) (<= 0 (+ ~id2~0 128)) (<= 0 ~mode4~0) (<= ~p24~0 0) (<= (+ ~p23_new~0 1) 0)) (and (<= 1 assert_~arg) (<= 0 (+ ~id3~0 128)) (<= 0 ~p14~0) (<= ~mode2~0 1) (<= 1 |assert_#in~arg|) (<= (+ ~p31_new~0 1) 0) (<= 0 ~p34~0) (<= (+ ~p32_new~0 1) 0) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~mode3~0 1) (<= ~p41~0 0) (<= (+ ~p41_new~0 1) 0) (<= 0 (+ ~p43_new~0 1)) (<= 0 ~p21~0) (<= 0 (+ ~p21_new~0 1)) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= (+ ~nomsg~0 1) 0) (<= (+ ~p43_new~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p43~0) (<= 0 ~p31~0) (<= (+ ~p42_new~0 1) 0) (<= 0 (+ ~p34_new~0 1)) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= ~p13~0 0) (<= 0 ~p32~0) (<= ~id4~0 127) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0) (<= 0 ~mode1~0) (<= assert_~arg 1) (<= 0 (+ ~p42_new~0 1)) (<= ~p32~0 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= ~p12~0 0) (<= 0 ~p41~0) (<= ~p34~0 0) (<= (+ ~p14_new~0 1) 0) (<= 0 ~p24~0) (<= (+ ~p13_new~0 1) 0) (<= 0 ~p42~0) (<= 0 (+ ~p24_new~0 1)) (<= ~p14~0 0) (<= ~id2~0 127) (<= 0 (+ ~p14_new~0 1)) (<= 0 (+ ~p41_new~0 1)) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= (+ ~p24_new~0 1) 0) (<= (+ ~p34_new~0 1) 0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= ~id3~0 127) (<= ~p43~0 0) (<= 0 (+ ~p31_new~0 1)) (<= ~p42~0 0) (<= 0 ~p23~0) (<= 0 (+ ~id2~0 128)) (<= 0 ~mode4~0) (<= ~p24~0 0) (<= (+ ~p23_new~0 1) 0))) [2019-09-06 11:57:57,206 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:57:57,206 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:57:57,209 INFO L168 Benchmark]: Toolchain (without parser) took 212507.52 ms. Allocated memory was 132.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 86.3 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 376.2 MB. Max. memory is 7.1 GB. [2019-09-06 11:57:57,211 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-06 11:57:57,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.21 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 162.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:57:57,215 INFO L168 Benchmark]: Boogie Preprocessor took 105.61 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 156.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:57:57,222 INFO L168 Benchmark]: RCFGBuilder took 1619.56 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 156.9 MB in the beginning and 165.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:57:57,224 INFO L168 Benchmark]: Sifa took 210113.59 ms. Allocated memory was 223.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 165.1 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 363.8 MB. Max. memory is 7.1 GB. [2019-09-06 11:57:57,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.21 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 162.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.61 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 156.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.56 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 156.9 MB in the beginning and 165.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Sifa took 210113.59 ms. Allocated memory was 223.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 165.1 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 363.8 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]: 210072, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 45589, DAG_INTERPRETER_EARLY_EXITS: 290, TOOLS_POST_APPLICATIONS: 45013, TOOLS_POST_TIME[ms]: 38113, TOOLS_POST_CALL_APPLICATIONS: 21, TOOLS_POST_CALL_TIME[ms]: 279, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 109, TOOLS_QUANTIFIERELIM_TIME[ms]: 26580, FLUID_QUERY_TIME[ms]: 1271, FLUID_QUERIES: 45591, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 29534, DOMAIN_JOIN_TIME[ms]: 66025, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 66, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 63, DOMAIN_ISBOTTOM_APPLICATIONS: 26157, DOMAIN_ISBOTTOM_TIME[ms]: 100100, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1339, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1337, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 209432, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 35, REGEX_TO_DAG_TIME[ms]: 28, DAG_COMPRESSION_TIME[ms]: 1661, DAG_COMPRESSION_PROCESSED_NODES: 143154, DAG_COMPRESSION_RETAINED_NODES: 45512 - UnprovableResult [Line: 1371]: 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 74601#(or (and (<= 0 (+ ~id3~0 128)) (<= 0 ~p14~0) (<= ~mode2~0 1) (<= (+ ~p31_new~0 1) 0) (<= 0 ~p34~0) (<= (+ ~p32_new~0 1) 0) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~mode3~0 1) (<= ~p41~0 0) (<= (+ ~p41_new~0 1) 0) (<= 0 (+ ~p43_new~0 1)) (<= 0 ~p21~0) (<= 0 (+ ~p21_new~0 1)) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= (+ ~nomsg~0 1) 0) (<= (+ ~p43_new~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p43~0) (<= 0 ~p31~0) (<= (+ ~p42_new~0 1) 0) (<= 0 (+ ~p34_new~0 1)) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= ~p13~0 0) (<= 0 ~p32~0) (<= ~id4~0 127) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0) (<= 0 ~mode1~0) (<= 0 (+ ~p42_new~0 1)) (<= ~p32~0 0) (<= |assert_#in~arg| 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= 0 assert_~arg) (<= ~p12~0 0) (<= 0 ~p41~0) (<= ~p34~0 0) (<= (+ ~p14_new~0 1) 0) (<= assert_~arg 0) (<= 0 ~p24~0) (<= (+ ~p13_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 ~p42~0) (<= 0 (+ ~p24_new~0 1)) (<= ~p14~0 0) (<= ~id2~0 127) (<= 0 (+ ~p14_new~0 1)) (<= 0 (+ ~p41_new~0 1)) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= (+ ~p24_new~0 1) 0) (<= (+ ~p34_new~0 1) 0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= ~id3~0 127) (<= ~p43~0 0) (<= 0 (+ ~p31_new~0 1)) (<= ~p42~0 0) (<= 0 ~p23~0) (<= 0 (+ ~id2~0 128)) (<= 0 ~mode4~0) (<= ~p24~0 0) (<= (+ ~p23_new~0 1) 0)) (and (<= 1 assert_~arg) (<= 0 (+ ~id3~0 128)) (<= 0 ~p14~0) (<= ~mode2~0 1) (<= 1 |assert_#in~arg|) (<= (+ ~p31_new~0 1) 0) (<= 0 ~p34~0) (<= (+ ~p32_new~0 1) 0) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~mode3~0 1) (<= ~p41~0 0) (<= (+ ~p41_new~0 1) 0) (<= 0 (+ ~p43_new~0 1)) (<= 0 ~p21~0) (<= 0 (+ ~p21_new~0 1)) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= (+ ~nomsg~0 1) 0) (<= (+ ~p43_new~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p43~0) (<= 0 ~p31~0) (<= (+ ~p42_new~0 1) 0) (<= 0 (+ ~p34_new~0 1)) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= ~p13~0 0) (<= 0 ~p32~0) (<= ~id4~0 127) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0) (<= 0 ~mode1~0) (<= assert_~arg 1) (<= 0 (+ ~p42_new~0 1)) (<= ~p32~0 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= ~p12~0 0) (<= 0 ~p41~0) (<= ~p34~0 0) (<= (+ ~p14_new~0 1) 0) (<= 0 ~p24~0) (<= (+ ~p13_new~0 1) 0) (<= 0 ~p42~0) (<= 0 (+ ~p24_new~0 1)) (<= ~p14~0 0) (<= ~id2~0 127) (<= 0 (+ ~p14_new~0 1)) (<= 0 (+ ~p41_new~0 1)) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= (+ ~p24_new~0 1) 0) (<= (+ ~p34_new~0 1) 0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= ~id3~0 127) (<= ~p43~0 0) (<= 0 (+ ~p31_new~0 1)) (<= ~p42~0 0) (<= 0 ~p23~0) (<= 0 (+ ~id2~0 128)) (<= 0 ~mode4~0) (<= ~p24~0 0) (<= (+ ~p23_new~0 1) 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...