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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:54:10,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:54:10,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:54:10,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:54:10,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:54:10,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:54:10,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:54:10,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:54:10,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:54:10,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:54:10,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:54:10,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:54:10,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:54:10,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:54:10,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:54:10,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:54:10,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:54:10,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:54:10,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:54:10,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:54:10,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:54:10,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:54:10,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:54:10,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:54:10,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:54:10,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:54:10,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:54:10,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:54:10,727 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 09:54:10,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:54:10,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:54:10,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:54:10,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:54:10,744 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:54:10,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:54:10,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:54:10,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:54:10,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:54:10,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:54:10,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:54:10,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:54:10,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:54:10,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:54:10,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:54:10,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:54:10,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:54:10,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:54:10,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:54:10,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:54:10,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:54:10,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:54:10,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:54:10,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:54:10,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:54:10,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:54:10,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:54:10,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:54:10,749 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:54:10,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:54:10,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:54:10,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:54:10,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:54:10,800 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:54:10,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-21 09:54:10,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632323e5d/90b418eca6374a0cbd82ac3cfb0f0643/FLAGf4c9bd54a [2019-09-21 09:54:11,364 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:54:11,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-21 09:54:11,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632323e5d/90b418eca6374a0cbd82ac3cfb0f0643/FLAGf4c9bd54a [2019-09-21 09:54:11,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632323e5d/90b418eca6374a0cbd82ac3cfb0f0643 [2019-09-21 09:54:11,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:54:11,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:54:11,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:11,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:54:11,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:54:11,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:11" (1/1) ... [2019-09-21 09:54:11,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e76e439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:11, skipping insertion in model container [2019-09-21 09:54:11,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:11" (1/1) ... [2019-09-21 09:54:11,734 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:54:11,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:54:11,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:11,991 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:54:12,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:12,168 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:54:12,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12 WrapperNode [2019-09-21 09:54:12,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:12,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:54:12,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:54:12,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:54:12,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:54:12,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:54:12,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:54:12,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:54:12,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (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 09:54:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:54:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:54:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-21 09:54:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-21 09:54:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 09:54:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:54:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:54:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:54:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 09:54:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-21 09:54:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:54:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-21 09:54:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 09:54:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:54:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:54:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:54:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:54:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:54:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:54:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:54:12,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:54:12,732 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:54:12,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:12 BoogieIcfgContainer [2019-09-21 09:54:12,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:54:12,734 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:54:12,734 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:54:12,735 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:54:12,736 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,736 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 09:54:12,765 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:54:12,766 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:54:12,772 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:54:12,780 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:54:12,781 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:54:13,173 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-09-21 09:54:13,531 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-21 09:54:15,997 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-21 09:54:16,430 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2019-09-21 09:54:16,901 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2019-09-21 09:54:17,180 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-09-21 09:54:17,412 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-09-21 09:54:18,194 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 209 [2019-09-21 09:54:18,311 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-09-21 09:54:18,954 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-09-21 09:54:19,221 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2019-09-21 09:54:19,472 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2019-09-21 09:54:20,238 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 270 [2019-09-21 09:54:20,384 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-09-21 09:54:20,502 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-09-21 09:54:21,066 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2019-09-21 09:54:21,437 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2019-09-21 09:54:21,732 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2019-09-21 09:54:22,993 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2019-09-21 09:54:23,220 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2019-09-21 09:54:23,362 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2019-09-21 09:54:24,463 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 237 [2019-09-21 09:54:24,906 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-09-21 09:54:26,627 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:54:26,627 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:54:26,629 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 175#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= main_~pa~0.offset 0) (<= |#NULL.base| 0) (<= main_~pd3~0.offset 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 main_~pd3~0.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pa~0.offset) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset)) [2019-09-21 09:54:26,645 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:54:26,645 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:54:26,647 INFO L168 Benchmark]: Toolchain (without parser) took 14928.92 ms. Allocated memory was 133.2 MB in the beginning and 533.2 MB in the end (delta: 400.0 MB). Free memory was 89.4 MB in the beginning and 293.4 MB in the end (delta: -204.0 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:26,648 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:54:26,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.61 ms. Allocated memory was 133.2 MB in the beginning and 202.4 MB in the end (delta: 69.2 MB). Free memory was 89.2 MB in the beginning and 179.8 MB in the end (delta: -90.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:26,649 INFO L168 Benchmark]: Boogie Preprocessor took 51.89 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 177.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:26,650 INFO L168 Benchmark]: RCFGBuilder took 508.86 ms. Allocated memory is still 202.4 MB. Free memory was 177.4 MB in the beginning and 153.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:26,651 INFO L168 Benchmark]: Sifa took 13911.12 ms. Allocated memory was 202.4 MB in the beginning and 533.2 MB in the end (delta: 330.8 MB). Free memory was 153.5 MB in the beginning and 293.4 MB in the end (delta: -139.9 MB). Peak memory consumption was 190.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:26,655 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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 453.61 ms. Allocated memory was 133.2 MB in the beginning and 202.4 MB in the end (delta: 69.2 MB). Free memory was 89.2 MB in the beginning and 179.8 MB in the end (delta: -90.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.89 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 177.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 508.86 ms. Allocated memory is still 202.4 MB. Free memory was 177.4 MB in the beginning and 153.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Sifa took 13911.12 ms. Allocated memory was 202.4 MB in the beginning and 533.2 MB in the end (delta: 330.8 MB). Free memory was 153.5 MB in the beginning and 293.4 MB in the end (delta: -139.9 MB). Peak memory consumption was 190.9 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]: 13867, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 48, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 38, TOOLS_POST_TIME[ms]: 725, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 32, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_APPLICATIONS: 55, TOOLS_QUANTIFIERELIM_TIME[ms]: 737, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 370, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 4663, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 17, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 8250, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 70, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12877, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12877, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 803, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 803, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 112, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 48]: 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 175#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= main_~pa~0.offset 0) (<= |#NULL.base| 0) (<= main_~pd3~0.offset 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 main_~pd3~0.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pa~0.offset) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...