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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/id_trans.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:09:34,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:09:34,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:09:34,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:09:34,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:09:34,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:09:34,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:09:34,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:09:34,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:09:34,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:09:34,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:09:34,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:09:34,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:09:34,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:09:34,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:09:34,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:09:34,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:09:34,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:09:34,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:09:34,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:09:34,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:09:34,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:09:34,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:09:34,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:09:34,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:09:34,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:09:34,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:09:34,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:09:34,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:09:34,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:09:34,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:09:34,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:09:34,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:09:34,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:09:34,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:09:34,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:09:34,649 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 [2019-09-21 09:09:34,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:09:34,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:09:34,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:09:34,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:09:34,667 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:09:34,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:09:34,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:09:34,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:09:34,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:09:34,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:09:34,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:09:34,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:09:34,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:09:34,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:09:34,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:09:34,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:09:34,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:09:34,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:09:34,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:09:34,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:09:34,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:09:34,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:09:34,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:09:34,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:09:34,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:09:34,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:09:34,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:09:34,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:09:34,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:09:34,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:09:34,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:09:34,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:09:34,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:09:34,732 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:09:34,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_trans.i [2019-09-21 09:09:34,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829e7bf91/8dbe05b28ea347068bbbea4a3fbe253c/FLAGe2ec5509b [2019-09-21 09:09:35,285 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:09:35,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_trans.i [2019-09-21 09:09:35,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829e7bf91/8dbe05b28ea347068bbbea4a3fbe253c/FLAGe2ec5509b [2019-09-21 09:09:35,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829e7bf91/8dbe05b28ea347068bbbea4a3fbe253c [2019-09-21 09:09:35,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:09:35,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:09:35,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:35,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:09:35,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:09:35,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:35,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55482da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35, skipping insertion in model container [2019-09-21 09:09:35,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:35,693 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:09:35,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:09:35,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:35,913 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:09:35,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:35,942 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:09:35,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35 WrapperNode [2019-09-21 09:09:35,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:35,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:09:35,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:09:35,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:09:36,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (1/1) ... [2019-09-21 09:09:36,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:09:36,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:09:36,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:09:36,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:09:36,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:35" (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 [2019-09-21 09:09:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:09:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:09:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:09:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:09:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:09:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:09:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:09:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:09:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:09:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:09:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:09:36,352 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:09:36,352 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:09:36,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:36 BoogieIcfgContainer [2019-09-21 09:09:36,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:09:36,354 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:09:36,354 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:09:36,355 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:09:36,356 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:36" (1/1) ... [2019-09-21 09:09:36,357 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:09:36,381 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:09:36,382 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:09:36,389 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:09:36,400 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:09:36,402 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:09:36,543 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:09:37,354 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2019-09-21 09:09:37,597 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-09-21 09:09:37,958 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2019-09-21 09:09:38,609 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:09:38,613 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:09:38,614 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:09:38,616 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 79#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-21 09:09:38,634 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:09:38,639 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:09:38,642 INFO L168 Benchmark]: Toolchain (without parser) took 2965.93 ms. Allocated memory was 132.6 MB in the beginning and 261.6 MB in the end (delta: 129.0 MB). Free memory was 88.3 MB in the beginning and 218.4 MB in the end (delta: -130.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:09:38,644 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:38,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.74 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:38,648 INFO L168 Benchmark]: Boogie Preprocessor took 124.81 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.7 MB in the beginning and 176.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:38,649 INFO L168 Benchmark]: RCFGBuilder took 285.75 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 162.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:38,655 INFO L168 Benchmark]: Sifa took 2285.55 ms. Allocated memory was 199.8 MB in the beginning and 261.6 MB in the end (delta: 61.9 MB). Free memory was 162.6 MB in the beginning and 218.4 MB in the end (delta: -55.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:38,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.74 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.81 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.7 MB in the beginning and 176.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 285.75 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 162.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Sifa took 2285.55 ms. Allocated memory was 199.8 MB in the beginning and 261.6 MB in the end (delta: 61.9 MB). Free memory was 162.6 MB in the beginning and 218.4 MB in the end (delta: -55.8 MB). Peak memory consumption was 6.0 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]: 2234, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 45, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 23, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME[ms]: 1594, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 48, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME[ms]: 1615, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 578, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 47, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 198, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 225, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1078, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1077, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 88, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 87, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 109, DAG_COMPRESSION_RETAINED_NODES: 52 - UnprovableResult [Line: 5]: 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 79#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...