/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/nla-digbench/ps5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:46:01,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:46:01,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:46:01,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:46:01,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:46:01,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:46:01,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:46:01,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:46:01,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:46:01,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:46:01,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:46:01,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:46:01,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:46:01,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:46:01,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:46:01,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:46:01,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:46:01,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:46:01,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:46:01,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:46:01,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:46:01,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:46:01,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:46:01,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:46:01,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:46:01,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:46:01,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:46:01,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:46:01,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:46:01,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:46:01,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:46:01,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:46:01,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:46:01,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:46:01,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:46:01,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:46:01,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:46:01,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:46:01,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:46:01,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:46:01,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:46:01,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:46:01,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:46:01,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:46:01,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:46:01,618 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:46:01,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:46:01,619 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:46:01,619 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:46:01,619 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:46:01,619 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:46:01,620 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:46:01,620 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:46:01,620 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:46:01,620 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:46:01,620 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:46:01,621 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:46:01,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:46:01,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:46:01,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:46:01,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:46:01,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:46:01,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:46:01,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:46:01,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:46:01,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:46:01,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:46:01,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:46:01,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:46:01,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:46:01,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:46:01,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:46:01,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:46:01,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:46:01,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:46:01,625 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:46:01,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:46:01,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:46:01,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:46:01,625 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:46:01,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:46:01,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:46:01,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:46:01,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:46:01,905 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:46:01,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps5.c [2019-11-24 16:46:01,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9402b4b5/33529b7955a44b58befae996aaa48a2b/FLAG4da91af44 [2019-11-24 16:46:02,392 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:46:02,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps5.c [2019-11-24 16:46:02,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9402b4b5/33529b7955a44b58befae996aaa48a2b/FLAG4da91af44 [2019-11-24 16:46:02,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9402b4b5/33529b7955a44b58befae996aaa48a2b [2019-11-24 16:46:02,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:46:02,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:46:02,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:46:02,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:46:02,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:46:02,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:46:02" (1/1) ... [2019-11-24 16:46:02,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e1a5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:02, skipping insertion in model container [2019-11-24 16:46:02,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:46:02" (1/1) ... [2019-11-24 16:46:02,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:46:02,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:46:03,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:46:03,121 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:46:03,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:46:03,158 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:46:03,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03 WrapperNode [2019-11-24 16:46:03,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:46:03,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:46:03,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:46:03,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:46:03,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:46:03,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:46:03,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:46:03,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:46:03,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:46:03,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:46:03,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:46:03,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:46:03,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:46:03" (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 [2019-11-24 16:46:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:46:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:46:03,678 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:46:03,678 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-24 16:46:03,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:46:03 BoogieIcfgContainer [2019-11-24 16:46:03,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:46:03,680 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:46:03,680 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:46:03,681 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:46:03,682 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:46:03" (1/1) ... [2019-11-24 16:46:03,682 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 [2019-11-24 16:46:03,736 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 16:46:03,736 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:46:03,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:46:03,768 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:46:03,769 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:46:07,262 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2019-11-24 16:46:07,464 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2019-11-24 16:46:08,090 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-24 16:46:08,242 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 476 [2019-11-24 16:46:08,485 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2019-11-24 16:46:08,609 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2019-11-24 16:46:09,119 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-11-24 16:46:09,464 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 592 [2019-11-24 16:46:12,269 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 597 [2019-11-24 16:46:12,465 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 597 [2019-11-24 16:46:12,747 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-11-24 16:46:12,929 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 604 [2019-11-24 16:46:13,282 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-24 16:46:13,475 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 611 [2019-11-24 16:46:13,864 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-11-24 16:46:14,069 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 618 [2019-11-24 16:46:14,349 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2019-11-24 16:46:14,536 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 625 [2019-11-24 16:46:15,650 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-24 16:46:15,832 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 632 [2019-11-24 16:46:16,208 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-11-24 16:46:16,390 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 639 [2019-11-24 16:46:16,726 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 646 [2019-11-24 16:46:16,925 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 646 [2019-11-24 16:46:19,269 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-11-24 16:46:19,472 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 653 [2019-11-24 16:46:19,782 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-11-24 16:46:19,973 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 660 [2019-11-24 16:46:20,397 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 667 [2019-11-24 16:46:20,569 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2019-11-24 16:46:20,778 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 626 [2019-11-24 16:46:20,895 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 626 [2019-11-24 16:46:23,290 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 823 [2019-11-24 16:46:23,670 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 821 [2019-11-24 16:46:27,888 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:46:28,055 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:46:28,055 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:46:28,057 INFO L168 Benchmark]: Toolchain (without parser) took 25218.36 ms. Allocated memory was 138.4 MB in the beginning and 495.5 MB in the end (delta: 357.0 MB). Free memory was 103.3 MB in the beginning and 150.6 MB in the end (delta: -47.3 MB). Peak memory consumption was 309.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,059 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.80 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.26 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.5 MB in the beginning and 180.2 MB in the end (delta: -86.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,062 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 178.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,063 INFO L168 Benchmark]: RCFGBuilder took 344.54 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 166.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,064 INFO L168 Benchmark]: Sifa took 24374.97 ms. Allocated memory was 201.3 MB in the beginning and 495.5 MB in the end (delta: 294.1 MB). Free memory was 166.8 MB in the beginning and 150.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 310.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:46:28,068 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 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.80 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 127.26 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.5 MB in the beginning and 180.2 MB in the end (delta: -86.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.25 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 178.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 344.54 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 166.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Sifa took 24374.97 ms. Allocated memory was 201.3 MB in the beginning and 495.5 MB in the end (delta: 294.1 MB). Free memory was 166.8 MB in the beginning and 150.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 310.3 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]: 24153, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 35, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 158, TOOLS_POST_TIME[ms]: 409, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 158, TOOLS_QUANTIFIERELIM_TIME[ms]: 328, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 218, FLUID_YES_ANSWERS: 23, DOMAIN_JOIN_APPLICATIONS: 31, DOMAIN_JOIN_TIME[ms]: 1207, DOMAIN_ALPHA_APPLICATIONS: 23, DOMAIN_ALPHA_TIME[ms]: 1450, DOMAIN_WIDEN_APPLICATIONS: 27, DOMAIN_WIDEN_TIME[ms]: 7863, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 12863, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 237, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 24024, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 24023, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 28, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 142, DAG_COMPRESSION_RETAINED_NODES: 34 - UnprovableResult [Line: 7]: 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 3589#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (not (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~k~0)) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (= (+ (* (* (* (* ULTIMATE.start_main_~y~0 15) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* (* (* (* (* ULTIMATE.start_main_~y~0 6) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* (* (* ULTIMATE.start_main_~y~0 10) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~x~0 (- 30)) (* ULTIMATE.start_main_~y~0 (- 1))) 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)). Possible FailurePath: - UnprovableResult [Line: 7]: 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 3582#(and (< ULTIMATE.start_main_~c~0 (+ ULTIMATE.start_main_~k~0 1)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (= (+ (* (* (* (* ULTIMATE.start_main_~y~0 15) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* (* (* (* (* ULTIMATE.start_main_~y~0 6) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* (* (* ULTIMATE.start_main_~y~0 10) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~x~0 (- 30)) (* ULTIMATE.start_main_~y~0 (- 1))) 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)). Possible FailurePath: - UnprovableResult [Line: 7]: 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 3597#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (not (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~k~0)) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* (* (* (* ULTIMATE.start_main_~y~0 15) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* (* (* (* (* ULTIMATE.start_main_~y~0 6) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* (* (* ULTIMATE.start_main_~y~0 10) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~x~0 (- 30)) (* ULTIMATE.start_main_~y~0 (- 1))) 0) (or (and (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~y~0))) (and (not (= (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~y~0))) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...