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.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 01:01:17,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 01:01:17,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 01:01:17,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 01:01:17,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 01:01:17,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 01:01:17,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 01:01:17,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 01:01:17,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 01:01:17,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 01:01:17,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 01:01:17,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 01:01:17,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 01:01:17,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 01:01:17,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 01:01:17,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 01:01:17,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 01:01:17,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 01:01:17,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 01:01:17,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 01:01:17,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 01:01:17,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 01:01:17,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 01:01:17,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 01:01:17,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 01:01:17,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 01:01:17,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 01:01:17,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 01:01:17,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 01:01:17,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 01:01:17,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 01:01:17,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 01:01:17,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 01:01:17,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 01:01:17,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 01:01:17,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 01:01:17,166 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 01:01:17,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 01:01:17,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 01:01:17,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 01:01:17,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 01:01:17,194 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 01:01:17,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 01:01:17,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 01:01:17,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 01:01:17,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 01:01:17,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 01:01:17,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 01:01:17,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 01:01:17,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 01:01:17,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 01:01:17,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 01:01:17,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 01:01:17,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 01:01:17,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 01:01:17,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 01:01:17,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 01:01:17,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 01:01:17,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 01:01:17,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 01:01:17,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 01:01:17,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 01:01:17,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 01:01:17,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 01:01:17,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 01:01:17,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 01:01:17,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 01:01:17,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 01:01:17,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 01:01:17,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 01:01:17,274 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 01:01:17,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-08-31 01:01:17,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6723c59/7fffcfba806c45f883b9b79de1ec4cb0/FLAG2e9b45189 [2019-08-31 01:01:17,730 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 01:01:17,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-08-31 01:01:17,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6723c59/7fffcfba806c45f883b9b79de1ec4cb0/FLAG2e9b45189 [2019-08-31 01:01:18,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6723c59/7fffcfba806c45f883b9b79de1ec4cb0 [2019-08-31 01:01:18,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 01:01:18,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 01:01:18,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 01:01:18,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 01:01:18,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 01:01:18,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72309706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18, skipping insertion in model container [2019-08-31 01:01:18,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,183 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 01:01:18,210 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 01:01:18,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 01:01:18,435 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 01:01:18,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 01:01:18,576 INFO L192 MainTranslator]: Completed translation [2019-08-31 01:01:18,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18 WrapperNode [2019-08-31 01:01:18,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 01:01:18,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 01:01:18,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 01:01:18,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 01:01:18,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 01:01:18,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 01:01:18,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 01:01:18,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 01:01:18,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:18" (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 01:01:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 01:01:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 01:01:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 01:01:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 01:01:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-31 01:01:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 01:01:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 01:01:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-08-31 01:01:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 01:01:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 01:01:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 01:01:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 01:01:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 01:01:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 01:01:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 01:01:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 01:01:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 01:01:18,931 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 01:01:18,931 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 01:01:18,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:01:18 BoogieIcfgContainer [2019-08-31 01:01:18,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 01:01:18,934 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 01:01:18,934 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 01:01:18,935 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 01:01:18,936 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:01:18" (1/1) ... [2019-08-31 01:01:18,990 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 01:01:18,990 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 01:01:19,003 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 01:01:19,020 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 01:01:19,022 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 01:01:19,121 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 01:01:19,121 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:19,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:19,143 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 01:01:19,143 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2019-08-31 01:01:19,162 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 33 for LOIs [2019-08-31 01:01:19,276 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:19,676 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-08-31 01:01:19,677 INFO L567 ElimStorePlain]: treesize reduction 19, result has 90.5 percent of original size [2019-08-31 01:01:19,686 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:19,828 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-31 01:01:19,829 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:19,836 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 01:01:19,983 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-31 01:01:19,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:19,989 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:20,091 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-31 01:01:20,091 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:20,094 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-31 01:01:20,094 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:222, output treesize:152 [2019-08-31 01:01:20,373 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 01:01:20,373 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 01:01:20,377 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 181#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__tmp_2~0) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (or (and (= 0 main_~main____CPAchecker_TMP_1~0) (exists ((|v_main_#t~union4_7| Int) (|v_main_#t~union2_7| Real) (v_DerPreprocessor_3 Int) (v_~bitwiseAnd_2 Int)) (and (= main_~__tmp_1~0 main_~inv__A~0) (= 0 (select |old(#valid)| |main_~#inv__A_u~0.base|)) (= ~__return_104~0 main_~inv__xi~0) (<= 0 |#NULL.base|) (= |#valid| (store (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base| 1)) (= main_~inv____CPAchecker_TMP_0~0 0) (= 1 main_~main____CPAchecker_TMP_0~0) (< |main_~#inv__A_u~0.base| |#StackHeapBarrier|) (= |#memory_real| (store (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| (select (select |#memory_real| |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset|)))) (not (= |main_~#inv__xi_u~0.base| 0)) (= (select (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base|) 0) (= 0 main_~inv__cond~0) (= main_~inv____CPAchecker_TMP_0~0 main_~inv__cond~0) (= main_~inv__xi~0 main_~inv__xsi~0) (<= |#NULL.base| 0) (= (store (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| |v_main_#t~union4_7|)) |#memory_int|) (= (+ (div v_~bitwiseAnd_2 1048576) (- 1023)) main_~inv__exp~0) (= |main_~#inv__xi_u~0.offset| 0) (< |main_~#inv__xi_u~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (= 0 |main_~#inv__A_u~0.offset|) (= |old(~__return_104~0)| 0.0) (= ~__return_104~0 main_~main__r~0) (= main_~__tmp_1~0 main_~main__a~0) (= (store (store |old(#length)| |main_~#inv__A_u~0.base| 8) |main_~#inv__xi_u~0.base| 8) |#length|) (not (= |main_~#inv__A_u~0.base| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0)))) (exists ((|v_main_#t~union4_7| Int) (|v_main_#t~union2_7| Real) (v_DerPreprocessor_3 Int) (v_~bitwiseAnd_2 Int)) (and (= main_~__tmp_1~0 main_~inv__A~0) (= 0 (select |old(#valid)| |main_~#inv__A_u~0.base|)) (= ~__return_104~0 main_~inv__xi~0) (= 1 main_~main____CPAchecker_TMP_1~0) (<= 0 |#NULL.base|) (= |#valid| (store (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base| 1)) (= main_~inv____CPAchecker_TMP_0~0 0) (= 1 main_~main____CPAchecker_TMP_0~0) (< |main_~#inv__A_u~0.base| |#StackHeapBarrier|) (= |#memory_real| (store (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| (select (select |#memory_real| |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset|)))) (not (= |main_~#inv__xi_u~0.base| 0)) (= (select (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base|) 0) (= 0 main_~inv__cond~0) (= main_~inv____CPAchecker_TMP_0~0 main_~inv__cond~0) (= main_~inv__xi~0 main_~inv__xsi~0) (<= |#NULL.base| 0) (= (store (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| |v_main_#t~union4_7|)) |#memory_int|) (= (+ (div v_~bitwiseAnd_2 1048576) (- 1023)) main_~inv__exp~0) (= |main_~#inv__xi_u~0.offset| 0) (< |main_~#inv__xi_u~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (= 0 |main_~#inv__A_u~0.offset|) (= |old(~__return_104~0)| 0.0) (= ~__return_104~0 main_~main__r~0) (= main_~__tmp_1~0 main_~main__a~0) (= (store (store |old(#length)| |main_~#inv__A_u~0.base| 8) |main_~#inv__xi_u~0.base| 8) |#length|) (not (= |main_~#inv__A_u~0.base| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0)))) (<= main_~__tmp_2~0 0)) [2019-08-31 01:01:20,397 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 01:01:20,397 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 01:01:20,400 INFO L168 Benchmark]: Toolchain (without parser) took 2232.59 ms. Allocated memory was 140.0 MB in the beginning and 224.4 MB in the end (delta: 84.4 MB). Free memory was 87.0 MB in the beginning and 152.0 MB in the end (delta: -65.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:20,401 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 140.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 01:01:20,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.12 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 175.5 MB in the end (delta: -88.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:20,406 INFO L168 Benchmark]: Boogie Preprocessor took 34.50 ms. Allocated memory is still 199.2 MB. Free memory was 175.5 MB in the beginning and 173.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:20,413 INFO L168 Benchmark]: RCFGBuilder took 321.72 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 156.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:20,416 INFO L168 Benchmark]: Sifa took 1463.54 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 156.6 MB in the beginning and 152.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:20,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 140.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 409.12 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 175.5 MB in the end (delta: -88.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.50 ms. Allocated memory is still 199.2 MB. Free memory was 175.5 MB in the beginning and 173.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 321.72 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 156.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Sifa took 1463.54 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 156.6 MB in the beginning and 152.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.4s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 90 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 6 DAG_INTERPRETER_EARLY_EXITS, 80 TOOLS_POST_APPLICATIONS, 1.1s TOOLS_POST_TIME, 2 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 1.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 96 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 24 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, 6 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 21 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 6 LOOP_SUMMARIZER_APPLICATIONS, 6 LOOP_SUMMARIZER_CACHE_MISSES, 0.1s LOOP_SUMMARIZER_OVERALL_TIME, 0.1s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 6 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, 0.1s DAG_COMPRESSION_TIME, 587 DAG_COMPRESSION_PROCESSED_NODES, 196 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 91]: 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 181#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__tmp_2~0) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (or (and (= 0 main_~main____CPAchecker_TMP_1~0) (exists ((|v_main_#t~union4_7| Int) (|v_main_#t~union2_7| Real) (v_DerPreprocessor_3 Int) (v_~bitwiseAnd_2 Int)) (and (= main_~__tmp_1~0 main_~inv__A~0) (= 0 (select |old(#valid)| |main_~#inv__A_u~0.base|)) (= ~__return_104~0 main_~inv__xi~0) (<= 0 |#NULL.base|) (= |#valid| (store (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base| 1)) (= main_~inv____CPAchecker_TMP_0~0 0) (= 1 main_~main____CPAchecker_TMP_0~0) (< |main_~#inv__A_u~0.base| |#StackHeapBarrier|) (= |#memory_real| (store (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| (select (select |#memory_real| |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset|)))) (not (= |main_~#inv__xi_u~0.base| 0)) (= (select (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base|) 0) (= 0 main_~inv__cond~0) (= main_~inv____CPAchecker_TMP_0~0 main_~inv__cond~0) (= main_~inv__xi~0 main_~inv__xsi~0) (<= |#NULL.base| 0) (= (store (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| |v_main_#t~union4_7|)) |#memory_int|) (= (+ (div v_~bitwiseAnd_2 1048576) (- 1023)) main_~inv__exp~0) (= |main_~#inv__xi_u~0.offset| 0) (< |main_~#inv__xi_u~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (= 0 |main_~#inv__A_u~0.offset|) (= |old(~__return_104~0)| 0.0) (= ~__return_104~0 main_~main__r~0) (= main_~__tmp_1~0 main_~main__a~0) (= (store (store |old(#length)| |main_~#inv__A_u~0.base| 8) |main_~#inv__xi_u~0.base| 8) |#length|) (not (= |main_~#inv__A_u~0.base| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0)))) (exists ((|v_main_#t~union4_7| Int) (|v_main_#t~union2_7| Real) (v_DerPreprocessor_3 Int) (v_~bitwiseAnd_2 Int)) (and (= main_~__tmp_1~0 main_~inv__A~0) (= 0 (select |old(#valid)| |main_~#inv__A_u~0.base|)) (= ~__return_104~0 main_~inv__xi~0) (= 1 main_~main____CPAchecker_TMP_1~0) (<= 0 |#NULL.base|) (= |#valid| (store (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base| 1)) (= main_~inv____CPAchecker_TMP_0~0 0) (= 1 main_~main____CPAchecker_TMP_0~0) (< |main_~#inv__A_u~0.base| |#StackHeapBarrier|) (= |#memory_real| (store (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_real)| |main_~#inv__A_u~0.base| (store (select |old(#memory_real)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| |v_main_#t~union2_7|)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| (select (select |#memory_real| |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset|)))) (not (= |main_~#inv__xi_u~0.base| 0)) (= (select (store |old(#valid)| |main_~#inv__A_u~0.base| 1) |main_~#inv__xi_u~0.base|) 0) (= 0 main_~inv__cond~0) (= main_~inv____CPAchecker_TMP_0~0 main_~inv__cond~0) (= main_~inv__xi~0 main_~inv__xsi~0) (<= |#NULL.base| 0) (= (store (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base| (store (select (store |old(#memory_int)| |main_~#inv__A_u~0.base| (store (select |old(#memory_int)| |main_~#inv__A_u~0.base|) |main_~#inv__A_u~0.offset| v_DerPreprocessor_3)) |main_~#inv__xi_u~0.base|) |main_~#inv__xi_u~0.offset| |v_main_#t~union4_7|)) |#memory_int|) (= (+ (div v_~bitwiseAnd_2 1048576) (- 1023)) main_~inv__exp~0) (= |main_~#inv__xi_u~0.offset| 0) (< |main_~#inv__xi_u~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (= 0 |main_~#inv__A_u~0.offset|) (= |old(~__return_104~0)| 0.0) (= ~__return_104~0 main_~main__r~0) (= main_~__tmp_1~0 main_~main__a~0) (= (store (store |old(#length)| |main_~#inv__A_u~0.base| 8) |main_~#inv__xi_u~0.base| 8) |#length|) (not (= |main_~#inv__A_u~0.base| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0)))) (<= main_~__tmp_2~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...