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 -i ../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:39:27,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:39:27,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:39:27,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:39:27,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:39:27,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:39:27,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:39:27,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:39:27,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:39:27,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:39:27,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:39:27,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:39:27,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:39:27,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:39:27,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:39:27,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:39:27,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:39:27,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:39:27,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:39:27,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:39:27,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:39:27,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:39:27,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:39:27,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:39:27,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:39:27,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:39:27,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:39:27,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:39:27,664 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 [2019-08-31 00:39:27,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:39:27,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:39:27,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:39:27,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:39:27,679 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:39:27,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:39:27,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:39:27,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:39:27,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:39:27,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:39:27,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:39:27,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:39:27,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:39:27,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:39:27,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:39:27,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:39:27,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:39:27,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:39:27,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:39:27,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:39:27,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:39:27,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:39:27,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:39:27,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:39:27,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:39:27,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:39:27,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:39:27,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:39:27,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:39:27,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:39:27,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:39:27,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:39:27,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:39:27,731 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:39:27,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2019-08-31 00:39:27,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018543193/d0d2ec33644542fbadd5e858ee9b45dd/FLAGdbd8bdb19 [2019-08-31 00:39:28,229 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:39:28,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2019-08-31 00:39:28,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018543193/d0d2ec33644542fbadd5e858ee9b45dd/FLAGdbd8bdb19 [2019-08-31 00:39:28,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018543193/d0d2ec33644542fbadd5e858ee9b45dd [2019-08-31 00:39:28,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:39:28,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:39:28,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:39:28,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:39:28,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:39:28,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:28,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e3d41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28, skipping insertion in model container [2019-08-31 00:39:28,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:28,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:39:28,668 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:39:28,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:39:28,881 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:39:28,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:39:28,924 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:39:28,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28 WrapperNode [2019-08-31 00:39:28,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:39:28,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:39:28,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:39:28,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:39:29,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (1/1) ... [2019-08-31 00:39:29,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:39:29,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:39:29,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:39:29,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:39:29,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:28" (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 [2019-08-31 00:39:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:39:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:39:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 00:39:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2019-08-31 00:39:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:39:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:39:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-31 00:39:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 00:39:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2019-08-31 00:39:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 00:39:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 00:39:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 00:39:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 00:39:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 00:39:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 00:39:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:39:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:39:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:39:29,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:39:29,442 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:39:29,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:39:29 BoogieIcfgContainer [2019-08-31 00:39:29,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:39:29,444 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:39:29,444 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:39:29,445 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:39:29,446 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:39:29" (1/1) ... [2019-08-31 00:39:29,488 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:39:29,488 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:39:29,495 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:39:29,503 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:39:29,505 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:39:29,597 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 00:39:29,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:29,617 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:29,618 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 00:39:29,618 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 00:39:29,633 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 00:39:29,641 INFO L199 IcfgInterpreter]: Interpreting procedure cast with input of size 24 for LOIs [2019-08-31 00:39:29,673 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_real_8|], 4=[|v_#memory_int_17|]} [2019-08-31 00:39:29,684 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 00:39:29,961 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-08-31 00:39:29,962 INFO L567 ElimStorePlain]: treesize reduction 9, result has 95.1 percent of original size [2019-08-31 00:39:29,970 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 00:39:30,097 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-31 00:39:30,098 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:30,100 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 00:39:30,104 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:177 [2019-08-31 00:39:30,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 00:39:30,225 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_4, |v_old(#length)_BEFORE_CALL_2|], 21=[v_prenex_9, |v_old(#valid)_BEFORE_CALL_2|]} [2019-08-31 00:39:30,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,298 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 154 [2019-08-31 00:39:30,299 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:30,811 WARN L188 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-31 00:39:30,812 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:30,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 154 [2019-08-31 00:39:30,850 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:30,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:30,915 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 154 [2019-08-31 00:39:30,916 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:31,409 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-31 00:39:31,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:31,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:31,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:31,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:31,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:31,499 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 00:39:31,500 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 157 [2019-08-31 00:39:31,501 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:32,345 WARN L188 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2019-08-31 00:39:32,346 INFO L567 ElimStorePlain]: treesize reduction 12, result has 97.3 percent of original size [2019-08-31 00:39:32,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,462 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 00:39:32,463 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 157 [2019-08-31 00:39:32,465 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:32,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:32,541 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 00:39:32,542 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 157 [2019-08-31 00:39:32,544 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:33,236 WARN L188 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2019-08-31 00:39:33,236 INFO L567 ElimStorePlain]: treesize reduction 24, result has 94.0 percent of original size [2019-08-31 00:39:33,267 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 116 [2019-08-31 00:39:33,268 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:33,517 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-31 00:39:33,518 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:33,538 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 96 [2019-08-31 00:39:33,539 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:33,743 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-08-31 00:39:33,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:33,786 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 105 [2019-08-31 00:39:33,787 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:33,818 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 105 [2019-08-31 00:39:33,818 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:34,043 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-08-31 00:39:34,044 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:34,069 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 96 [2019-08-31 00:39:34,069 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:34,090 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 96 [2019-08-31 00:39:34,091 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:34,308 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-31 00:39:34,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:34,314 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 4 dim-1 vars, 4 dim-2 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2019-08-31 00:39:34,314 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:454, output treesize:226 [2019-08-31 00:39:34,315 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 100 for LOIs [2019-08-31 00:39:34,320 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:39:34,320 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:39:34,322 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 31#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_cast_~#d.base_BEFORE_CALL_1| Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_6 Int) (v_prenex_2 Int) (|v_cast_~#f~0.base_BEFORE_CALL_1| Int) (|v_cast_~#dmax~0.base_BEFORE_CALL_1| Int)) (or (and (< v_prenex_6 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (= 4 (select |#length| v_prenex_6)) (<= 0 |#NULL.base|) (= 8 (select |#length| v_prenex_10)) (= 8 (select |#length| v_prenex_2)) (= (select (select |#memory_int| v_prenex_10) 4) 3758096384) (< v_prenex_2 |#StackHeapBarrier|) (= (select |#valid| v_prenex_10) 1) (= (select (select |#memory_int| v_prenex_10) 0) 1206910975) (not (= v_prenex_10 v_prenex_2)) (= 1 (select |#valid| v_prenex_2)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_prenex_6)) (< v_prenex_10 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= 3758096384 (select (select |#memory_int| v_prenex_13) 4)) (= |__VERIFIER_assert_#in~cond| 1) (= (select |#length| v_prenex_12) 4) (= (select |#valid| v_prenex_12) 1) (<= |#NULL.base| 0) (= (select |#length| v_prenex_13) 8) (<= 0 |#NULL.base|) (< v_prenex_11 |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_11)) (< v_prenex_12 |#StackHeapBarrier|) (not (= v_prenex_13 v_prenex_11)) (= 0 (select |#valid| 0)) (= 1206910975 (select (select |#memory_int| v_prenex_13) 0)) (= |#NULL.offset| 0) (< v_prenex_13 |#StackHeapBarrier|) (= (select |#length| v_prenex_11) 8) (= 1 (select |#valid| v_prenex_13))) (and (= 3758096384 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 4)) (= |__VERIFIER_assert_#in~cond| 0) (= (select |#length| |v_cast_~#f~0.base_BEFORE_CALL_1|) 4) (= (select |#valid| |v_cast_~#f~0.base_BEFORE_CALL_1|) 1) (<= |#NULL.base| 0) (= (select |#length| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 8) (<= 0 |#NULL.base|) (< |v_cast_~#d.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= 1 (select |#valid| |v_cast_~#d.base_BEFORE_CALL_1|)) (< |v_cast_~#f~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (not (= |v_cast_~#dmax~0.base_BEFORE_CALL_1| |v_cast_~#d.base_BEFORE_CALL_1|)) (= 0 (select |#valid| 0)) (= 1206910975 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 0)) (= |#NULL.offset| 0) (< |v_cast_~#dmax~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= (select |#length| |v_cast_~#d.base_BEFORE_CALL_1|) 8) (= 1 (select |#valid| |v_cast_~#dmax~0.base_BEFORE_CALL_1|))))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 00:39:34,349 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:39:34,350 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:39:34,351 INFO L168 Benchmark]: Toolchain (without parser) took 5721.25 ms. Allocated memory was 136.3 MB in the beginning and 272.1 MB in the end (delta: 135.8 MB). Free memory was 84.7 MB in the beginning and 201.7 MB in the end (delta: -117.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:34,352 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 00:39:34,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.22 ms. Allocated memory is still 136.3 MB. Free memory was 84.5 MB in the beginning and 74.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:34,354 INFO L168 Benchmark]: Boogie Preprocessor took 162.25 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 74.6 MB in the beginning and 174.5 MB in the end (delta: -99.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:34,355 INFO L168 Benchmark]: RCFGBuilder took 355.24 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 157.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:34,355 INFO L168 Benchmark]: Sifa took 4905.53 ms. Allocated memory was 198.2 MB in the beginning and 272.1 MB in the end (delta: 73.9 MB). Free memory was 157.9 MB in the beginning and 201.7 MB in the end (delta: -43.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:34,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.22 ms. Allocated memory is still 136.3 MB. Free memory was 84.5 MB in the beginning and 74.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.25 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 74.6 MB in the beginning and 174.5 MB in the end (delta: -99.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.24 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 157.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Sifa took 4905.53 ms. Allocated memory was 198.2 MB in the beginning and 272.1 MB in the end (delta: 73.9 MB). Free memory was 157.9 MB in the beginning and 201.7 MB in the end (delta: -43.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 4.8s OVERALL_TIME, 4 ICFG_INTERPRETER_ENTERED_PROCEDURES, 16 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 12 TOOLS_POST_APPLICATIONS, 0.6s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 4.2s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 4.7s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 16 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 3 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 77 DAG_COMPRESSION_PROCESSED_NODES, 44 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 3]: 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 31#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_cast_~#d.base_BEFORE_CALL_1| Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_6 Int) (v_prenex_2 Int) (|v_cast_~#f~0.base_BEFORE_CALL_1| Int) (|v_cast_~#dmax~0.base_BEFORE_CALL_1| Int)) (or (and (< v_prenex_6 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (= 4 (select |#length| v_prenex_6)) (<= 0 |#NULL.base|) (= 8 (select |#length| v_prenex_10)) (= 8 (select |#length| v_prenex_2)) (= (select (select |#memory_int| v_prenex_10) 4) 3758096384) (< v_prenex_2 |#StackHeapBarrier|) (= (select |#valid| v_prenex_10) 1) (= (select (select |#memory_int| v_prenex_10) 0) 1206910975) (not (= v_prenex_10 v_prenex_2)) (= 1 (select |#valid| v_prenex_2)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_prenex_6)) (< v_prenex_10 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= 3758096384 (select (select |#memory_int| v_prenex_13) 4)) (= |__VERIFIER_assert_#in~cond| 1) (= (select |#length| v_prenex_12) 4) (= (select |#valid| v_prenex_12) 1) (<= |#NULL.base| 0) (= (select |#length| v_prenex_13) 8) (<= 0 |#NULL.base|) (< v_prenex_11 |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_11)) (< v_prenex_12 |#StackHeapBarrier|) (not (= v_prenex_13 v_prenex_11)) (= 0 (select |#valid| 0)) (= 1206910975 (select (select |#memory_int| v_prenex_13) 0)) (= |#NULL.offset| 0) (< v_prenex_13 |#StackHeapBarrier|) (= (select |#length| v_prenex_11) 8) (= 1 (select |#valid| v_prenex_13))) (and (= 3758096384 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 4)) (= |__VERIFIER_assert_#in~cond| 0) (= (select |#length| |v_cast_~#f~0.base_BEFORE_CALL_1|) 4) (= (select |#valid| |v_cast_~#f~0.base_BEFORE_CALL_1|) 1) (<= |#NULL.base| 0) (= (select |#length| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 8) (<= 0 |#NULL.base|) (< |v_cast_~#d.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= 1 (select |#valid| |v_cast_~#d.base_BEFORE_CALL_1|)) (< |v_cast_~#f~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (not (= |v_cast_~#dmax~0.base_BEFORE_CALL_1| |v_cast_~#d.base_BEFORE_CALL_1|)) (= 0 (select |#valid| 0)) (= 1206910975 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 0)) (= |#NULL.offset| 0) (< |v_cast_~#dmax~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= (select |#length| |v_cast_~#d.base_BEFORE_CALL_1|) 8) (= 1 (select |#valid| |v_cast_~#dmax~0.base_BEFORE_CALL_1|))))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...