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/inv_Newton-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:25:12,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:25:12,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:25:12,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:25:12,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:25:12,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:25:12,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:25:12,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:25:12,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:25:12,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:25:12,744 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:25:12,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:25:12,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:25:12,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:25:12,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:25:12,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:25:12,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:25:12,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:25:12,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:25:12,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:25:12,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:25:12,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:25:12,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:25:12,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:25:12,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:25:12,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:25:12,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:25:12,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:25:12,775 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 [2019-08-22 21:25:12,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:25:12,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:25:12,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:25:12,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:25:12,801 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:25:12,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:25:12,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:25:12,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:25:12,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:25:12,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:25:12,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:25:12,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:25:12,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:25:12,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:25:12,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:25:12,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:25:12,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:25:12,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:25:12,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:25:12,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:25:12,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:25:12,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:25:12,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:25:12,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:25:12,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:25:12,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:25:12,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:25:12,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:25:12,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:25:12,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:25:12,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:25:12,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:25:12,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:25:12,886 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:25:12,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton-2.c [2019-08-22 21:25:12,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda67613b/88f3f63ea20244baac1093ff15137b0f/FLAGa56e9b695 [2019-08-22 21:25:13,466 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:25:13,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton-2.c [2019-08-22 21:25:13,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda67613b/88f3f63ea20244baac1093ff15137b0f/FLAGa56e9b695 [2019-08-22 21:25:13,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda67613b/88f3f63ea20244baac1093ff15137b0f [2019-08-22 21:25:13,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:25:13,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:25:13,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:13,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:25:13,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:25:13,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:13" (1/1) ... [2019-08-22 21:25:13,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4e7901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:13, skipping insertion in model container [2019-08-22 21:25:13,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:13" (1/1) ... [2019-08-22 21:25:13,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:25:13,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:25:14,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:14,085 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:25:14,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:14,148 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:25:14,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14 WrapperNode [2019-08-22 21:25:14,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:14,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:25:14,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:25:14,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:25:14,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:25:14,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:25:14,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:25:14,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:25:14,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (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 [2019-08-22 21:25:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:25:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:25:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:25:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure inv [2019-08-22 21:25:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:25:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:25:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:25:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:25:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:25:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:25:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:25:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:25:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:25:14,612 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:25:14,612 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 21:25:14,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:14 BoogieIcfgContainer [2019-08-22 21:25:14,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:25:14,614 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:25:14,614 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:25:14,614 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:25:14,615 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,629 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:25:14,631 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:25:14,638 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:25:14,646 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:25:14,648 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:25:14,729 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 [2019-08-22 21:25:14,730 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:14,757 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,758 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:25:14,778 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 24 [2019-08-22 21:25:14,800 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_8|], 6=[|v_#valid_16|]} [2019-08-22 21:25:14,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:25:14,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 11 [2019-08-22 21:25:14,832 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,989 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-22 21:25:14,990 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,054 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-22 21:25:15,055 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 29 [2019-08-22 21:25:15,057 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,194 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-08-22 21:25:15,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,202 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_14|], 2=[|v_#memory_real_9|, |v_#memory_int_11|, |v_#memory_int_9|, |v_#memory_int_10|]} [2019-08-22 21:25:15,222 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 31 treesize of output 7 [2019-08-22 21:25:15,223 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,328 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-22 21:25:15,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,341 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 15 treesize of output 1 [2019-08-22 21:25:15,341 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,431 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,445 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-22 21:25:15,446 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,522 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,531 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:15,600 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,606 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,659 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,670 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 27 treesize of output 15 [2019-08-22 21:25:15,670 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,723 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,724 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:15,725 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:174, output treesize:58 [2019-08-22 21:25:15,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:25:15,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:25:15,822 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:25:15,823 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,843 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 70 [2019-08-22 21:25:15,845 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,857 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:25:15,857 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,944 INFO L567 ElimStorePlain]: treesize reduction 6, result has 90.6 percent of original size [2019-08-22 21:25:15,945 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:15,946 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:223, output treesize:58 [2019-08-22 21:25:15,965 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 57 [2019-08-22 21:25:15,968 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:25:15,969 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:25:15,971 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 48#(and (<= __VERIFIER_assert_~cond 0) (exists ((|v_inv_~#A_u~0.base_4| Int) (v_prenex_6 Int) (|v_inv_~#xi_u~0.base_4| Int) (v_prenex_5 Int)) (or (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 0) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)) (and (< v_prenex_6 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 1) (= 0 |#NULL.base|) (= (select |#length| v_prenex_6) 8) (<= |#NULL.base| 0) (= 0 (select |#valid| v_prenex_6)) (= 8 (select |#length| v_prenex_5)) (<= 0 |#NULL.base|) (< v_prenex_5 |#StackHeapBarrier|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 v_prenex_6)) (= (select |#valid| v_prenex_5) 0) (not (= v_prenex_5 v_prenex_6)) (not (= v_prenex_5 0)) (= |#NULL.offset| 0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:25:15,981 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:25:15,982 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:25:15,984 INFO L168 Benchmark]: Toolchain (without parser) took 2106.86 ms. Allocated memory was 134.2 MB in the beginning and 265.3 MB in the end (delta: 131.1 MB). Free memory was 88.2 MB in the beginning and 231.3 MB in the end (delta: -143.1 MB). Peak memory consumption was 97.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:15,985 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:25:15,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.66 ms. Allocated memory was 134.2 MB in the beginning and 169.3 MB in the end (delta: 35.1 MB). Free memory was 88.0 MB in the beginning and 145.9 MB in the end (delta: -57.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:15,987 INFO L168 Benchmark]: Boogie Preprocessor took 89.25 ms. Allocated memory was 169.3 MB in the beginning and 211.8 MB in the end (delta: 42.5 MB). Free memory was 145.9 MB in the beginning and 194.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:15,987 INFO L168 Benchmark]: RCFGBuilder took 374.93 ms. Allocated memory is still 211.8 MB. Free memory was 194.1 MB in the beginning and 177.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:15,991 INFO L168 Benchmark]: Symbolic Interpretation took 1367.94 ms. Allocated memory was 211.8 MB in the beginning and 265.3 MB in the end (delta: 53.5 MB). Free memory was 177.2 MB in the beginning and 231.3 MB in the end (delta: -54.1 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:15,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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 48#(and (<= __VERIFIER_assert_~cond 0) (exists ((|v_inv_~#A_u~0.base_4| Int) (v_prenex_6 Int) (|v_inv_~#xi_u~0.base_4| Int) (v_prenex_5 Int)) (or (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 0) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)) (and (< v_prenex_6 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 1) (= 0 |#NULL.base|) (= (select |#length| v_prenex_6) 8) (<= |#NULL.base| 0) (= 0 (select |#valid| v_prenex_6)) (= 8 (select |#length| v_prenex_5)) (<= 0 |#NULL.base|) (< v_prenex_5 |#StackHeapBarrier|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 v_prenex_6)) (= (select |#valid| v_prenex_5) 0) (not (= v_prenex_5 v_prenex_6)) (not (= v_prenex_5 0)) (= |#NULL.offset| 0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.66 ms. Allocated memory was 134.2 MB in the beginning and 169.3 MB in the end (delta: 35.1 MB). Free memory was 88.0 MB in the beginning and 145.9 MB in the end (delta: -57.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.25 ms. Allocated memory was 169.3 MB in the beginning and 211.8 MB in the end (delta: 42.5 MB). Free memory was 145.9 MB in the beginning and 194.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.93 ms. Allocated memory is still 211.8 MB. Free memory was 194.1 MB in the beginning and 177.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1367.94 ms. Allocated memory was 211.8 MB in the beginning and 265.3 MB in the end (delta: 53.5 MB). Free memory was 177.2 MB in the beginning and 231.3 MB in the end (delta: -54.1 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...