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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:22:17,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:22:17,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:22:17,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:22:17,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:22:17,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:22:17,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:22:17,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:22:17,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:22:17,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:22:17,565 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:22:17,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:22:17,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:22:17,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:22:17,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:22:17,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:22:17,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:22:17,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:22:17,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:22:17,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:22:17,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:22:17,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:22:17,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:22:17,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:22:17,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:22:17,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:22:17,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:22:17,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:22:17,602 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 [2019-08-18 07:22:17,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:22:17,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:22:17,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:22:17,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:22:17,638 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:22:17,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:22:17,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:22:17,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:22:17,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:22:17,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:22:17,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:22:17,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:22:17,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:22:17,643 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:22:17,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:22:17,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:22:17,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:22:17,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:22:17,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:22:17,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:22:17,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:22:17,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:22:17,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:22:17,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:22:17,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:22:17,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:22:17,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:22:17,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:22:17,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:22:17,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:22:17,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:22:17,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:22:17,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:22:17,713 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:22:17,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-08-18 07:22:17,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1585105fa/6eec7d2d914f4708a69ee04bac6ea991/FLAGe928158c0 [2019-08-18 07:22:18,340 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:22:18,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-08-18 07:22:18,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1585105fa/6eec7d2d914f4708a69ee04bac6ea991/FLAGe928158c0 [2019-08-18 07:22:18,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1585105fa/6eec7d2d914f4708a69ee04bac6ea991 [2019-08-18 07:22:18,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:22:18,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:22:18,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:22:18,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:22:18,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:22:18,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:22:18" (1/1) ... [2019-08-18 07:22:18,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc8665a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:18, skipping insertion in model container [2019-08-18 07:22:18,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:22:18" (1/1) ... [2019-08-18 07:22:18,670 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:22:18,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:22:19,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:22:19,108 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:22:19,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:22:19,219 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:22:19,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19 WrapperNode [2019-08-18 07:22:19,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:22:19,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:22:19,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:22:19,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:22:19,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (1/1) ... [2019-08-18 07:22:19,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:22:19,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:22:19,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:22:19,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:22:19,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:22:19" (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 [2019-08-18 07:22:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:22:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:22:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:22:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:22:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-08-18 07:22:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-18 07:22:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:22:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:22:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:22:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:22:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:22:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-18 07:22:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:22:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:22:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:22:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:22:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:22:20,208 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:22:20,209 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 07:22:20,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:22:20 BoogieIcfgContainer [2019-08-18 07:22:20,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:22:20,212 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:22:20,212 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:22:20,213 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:22:20,214 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:22:20" (1/1) ... [2019-08-18 07:22:20,231 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:22:20,235 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:22:20,250 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:22:20,261 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:22:20,263 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:22:20,381 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_31|]} [2019-08-18 07:22:20,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,458 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-18 07:22:20,459 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:22:20,679 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-18 07:22:20,680 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:22:20,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:22:20,718 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-08-18 07:22:20,719 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:22:20,993 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-08-18 07:22:20,994 INFO L567 ElimStorePlain]: treesize reduction 12, result has 92.3 percent of original size [2019-08-18 07:22:20,996 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:22:20,996 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:180, output treesize:143 [2019-08-18 07:22:21,012 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 88 [2019-08-18 07:22:27,985 INFO L235 Elim1Store]: Index analysis took 6728 ms [2019-08-18 07:22:34,693 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2094 treesize of output 2173 [2019-08-18 07:22:34,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:22:40,370 INFO L235 Elim1Store]: Index analysis took 5551 ms [2019-08-18 07:22:46,084 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2094 treesize of output 2173 [2019-08-18 07:22:46,088 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:23:15,831 WARN L188 SmtUtils]: Spent 29.74 s on a formula simplification that was a NOOP. DAG size: 932 [2019-08-18 07:23:15,832 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:23:21,393 INFO L235 Elim1Store]: Index analysis took 5474 ms [2019-08-18 07:23:27,092 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2173 treesize of output 2252 [2019-08-18 07:23:27,096 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:23:31,840 INFO L235 Elim1Store]: Index analysis took 4666 ms [2019-08-18 07:23:36,851 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2173 treesize of output 2252 [2019-08-18 07:23:36,854 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:23:53,037 WARN L188 SmtUtils]: Spent 16.18 s on a formula simplification that was a NOOP. DAG size: 971 [2019-08-18 07:23:53,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:23:53,043 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:23:53,044 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:4189, output treesize:4505 [2019-08-18 07:23:53,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:23:53,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:23:53,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:23:53,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:23:53,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:23:53,229 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:23:53,229 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:23:53,232 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 45#(and (= 0 main_~__VERIFIER_assert__Id_MCDC_92~1) (= main_~Id_MCDC_89____CPAchecker_TMP_1~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__Id_MCDC_92~1) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= main_~__tmp_3~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0)) [2019-08-18 07:23:53,250 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:23:53,250 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:23:53,253 INFO L168 Benchmark]: Toolchain (without parser) took 94598.01 ms. Allocated memory was 132.1 MB in the beginning and 466.6 MB in the end (delta: 334.5 MB). Free memory was 87.0 MB in the beginning and 222.4 MB in the end (delta: -135.3 MB). Peak memory consumption was 352.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:53,254 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:23:53,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.69 ms. Allocated memory was 132.1 MB in the beginning and 196.6 MB in the end (delta: 64.5 MB). Free memory was 86.8 MB in the beginning and 167.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:53,256 INFO L168 Benchmark]: Boogie Preprocessor took 78.20 ms. Allocated memory is still 196.6 MB. Free memory was 167.1 MB in the beginning and 163.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:53,256 INFO L168 Benchmark]: RCFGBuilder took 913.04 ms. Allocated memory is still 196.6 MB. Free memory was 163.4 MB in the beginning and 91.2 MB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:53,258 INFO L168 Benchmark]: Symbolic Interpretation took 93038.23 ms. Allocated memory was 196.6 MB in the beginning and 466.6 MB in the end (delta: 270.0 MB). Free memory was 91.2 MB in the beginning and 222.4 MB in the end (delta: -131.2 MB). Peak memory consumption was 292.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:53,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 219]: 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 45#(and (= 0 main_~__VERIFIER_assert__Id_MCDC_92~1) (= main_~Id_MCDC_89____CPAchecker_TMP_1~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__Id_MCDC_92~1) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= main_~__tmp_3~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 564.69 ms. Allocated memory was 132.1 MB in the beginning and 196.6 MB in the end (delta: 64.5 MB). Free memory was 86.8 MB in the beginning and 167.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.20 ms. Allocated memory is still 196.6 MB. Free memory was 167.1 MB in the beginning and 163.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 913.04 ms. Allocated memory is still 196.6 MB. Free memory was 163.4 MB in the beginning and 91.2 MB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 93038.23 ms. Allocated memory was 196.6 MB in the beginning and 466.6 MB in the end (delta: 270.0 MB). Free memory was 91.2 MB in the beginning and 222.4 MB in the end (delta: -131.2 MB). Peak memory consumption was 292.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...