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/ldv-regression/test06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:45:04,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:45:04,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:45:04,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:45:04,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:45:04,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:45:04,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:45:04,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:45:04,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:45:04,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:45:04,906 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:45:04,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:45:04,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:45:04,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:45:04,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:45:04,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:45:04,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:45:04,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:45:04,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:45:04,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:45:04,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:45:04,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:45:04,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:45:04,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:45:04,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:45:04,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:45:04,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:45:04,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:45:04,955 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 21:45:04,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:45:04,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:45:04,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:45:04,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:45:04,995 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:45:04,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:45:04,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:45:04,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:45:04,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:45:05,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:45:05,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:45:05,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:45:05,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:45:05,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:45:05,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:45:05,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:45:05,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:45:05,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:45:05,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:45:05,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:45:05,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:45:05,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:05,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:45:05,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:45:05,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:45:05,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:45:05,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:45:05,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:45:05,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:45:05,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:45:05,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:45:05,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:45:05,063 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:45:05,063 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:45:05,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test06.c [2019-08-22 21:45:05,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1561d131/474504eaaaef41d88f06ee4d24f4f700/FLAGa2c7dafe6 [2019-08-22 21:45:05,541 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:45:05,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test06.c [2019-08-22 21:45:05,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1561d131/474504eaaaef41d88f06ee4d24f4f700/FLAGa2c7dafe6 [2019-08-22 21:45:05,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1561d131/474504eaaaef41d88f06ee4d24f4f700 [2019-08-22 21:45:05,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:45:05,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:45:05,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:05,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:45:05,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:45:05,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:05" (1/1) ... [2019-08-22 21:45:05,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cde133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:05, skipping insertion in model container [2019-08-22 21:45:05,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:05" (1/1) ... [2019-08-22 21:45:05,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:45:05,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:45:06,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:06,186 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:45:06,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:06,232 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:45:06,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06 WrapperNode [2019-08-22 21:45:06,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:06,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:45:06,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:45:06,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:45:06,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:45:06,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:45:06,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:45:06,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:45:06,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:06" (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 21:45:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:45:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:45:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-08-22 21:45:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-22 21:45:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:45:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:45:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:45:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:45:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:45:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:45:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:45:06,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:45:06,791 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:45:06,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:06 BoogieIcfgContainer [2019-08-22 21:45:06,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:45:06,795 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:45:06,795 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:45:06,795 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:45:06,796 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:06" (1/1) ... [2019-08-22 21:45:06,808 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:45:06,810 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:45:06,816 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:45:06,823 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:45:06,824 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:45:06,922 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 21:45:06,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:06,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:06,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:06,956 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:45:06,976 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:45:07,039 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_19|, |v_#memory_$Pointer$.base_18|, |v_#memory_int_20|], 4=[|v_#memory_int_19|]} [2019-08-22 21:45:07,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:08,242 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2019-08-22 21:45:08,243 INFO L567 ElimStorePlain]: treesize reduction 9, result has 97.5 percent of original size [2019-08-22 21:45:08,258 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:45:08,845 WARN L188 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-22 21:45:08,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:08,863 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:45:09,389 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-08-22 21:45:09,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:09,414 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:09,816 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-22 21:45:09,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:09,832 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:45:10,250 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:45:10,251 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,263 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 21:45:10,737 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-22 21:45:10,737 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,739 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-22 21:45:10,740 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:382, output treesize:507 [2019-08-22 21:45:10,755 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_22|], 2=[|v_#memory_int_6|], 4=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_21|]} [2019-08-22 21:45:10,766 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 1 [2019-08-22 21:45:10,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,824 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-22 21:45:10,834 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,863 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,947 INFO L341 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2019-08-22 21:45:10,947 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 34 [2019-08-22 21:45:10,949 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:11,064 INFO L341 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2019-08-22 21:45:11,065 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 34 [2019-08-22 21:45:11,067 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,110 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:11,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,112 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:131, output treesize:80 [2019-08-22 21:45:11,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:45:11,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:45:11,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:45:11,192 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,208 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,228 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,239 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,251 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,261 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,282 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,289 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:12,607 WARN L188 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2019-08-22 21:45:12,607 INFO L567 ElimStorePlain]: treesize reduction 1484, result has 36.5 percent of original size [2019-08-22 21:45:12,623 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:12,646 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:12,654 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:13,084 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-22 21:45:13,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:13,086 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-22 21:45:13,087 INFO L221 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:3352, output treesize:471 [2019-08-22 21:45:13,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:45:13,117 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_1, |v_#memory_int_23|, v_prenex_2, v_prenex_3, v_prenex_4, v_prenex_5, v_prenex_6], 6=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.base_22|]} [2019-08-22 21:45:13,150 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:13,169 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 209 [2019-08-22 21:45:13,170 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:13,919 WARN L188 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-08-22 21:45:13,919 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:13,980 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:13,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 222 treesize of output 269 [2019-08-22 21:45:13,983 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:15,379 WARN L188 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-08-22 21:45:15,380 INFO L567 ElimStorePlain]: treesize reduction 32, result has 95.3 percent of original size [2019-08-22 21:45:15,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:15,401 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 194 [2019-08-22 21:45:15,402 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:16,028 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-08-22 21:45:16,029 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:16,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:16,049 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 175 [2019-08-22 21:45:16,051 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:16,617 WARN L188 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-22 21:45:16,618 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:16,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:16,639 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 205 [2019-08-22 21:45:16,640 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:17,145 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-22 21:45:17,145 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:17,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:17,173 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 190 [2019-08-22 21:45:17,175 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:17,639 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-08-22 21:45:17,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:17,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:17,686 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 175 [2019-08-22 21:45:17,688 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:18,109 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-08-22 21:45:18,110 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:18,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:18,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:18,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:18,142 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 217 [2019-08-22 21:45:18,144 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:18,568 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-22 21:45:18,569 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:18,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:18,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:18,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:18,621 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 202 [2019-08-22 21:45:18,623 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:19,047 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-22 21:45:19,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:19,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-22 21:45:19,049 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:639, output treesize:549 [2019-08-22 21:45:19,058 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:45:19,059 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:45:19,061 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 42#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |main_~#p1~0.offset| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (= |main_~#p2~0.offset| 0) (= |main_~#b~0.offset| 0) (<= |main_~#p1~0.offset| 0) (= |#NULL.offset| 0) (= |main_~#a~0.offset| 0)) [2019-08-22 21:45:19,074 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:45:19,074 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:45:19,076 INFO L168 Benchmark]: Toolchain (without parser) took 13141.17 ms. Allocated memory was 136.3 MB in the beginning and 308.3 MB in the end (delta: 172.0 MB). Free memory was 91.9 MB in the beginning and 220.7 MB in the end (delta: -128.7 MB). Peak memory consumption was 170.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,076 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.86 ms. Allocated memory is still 136.3 MB. Free memory was 91.7 MB in the beginning and 82.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,078 INFO L168 Benchmark]: Boogie Preprocessor took 162.78 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 82.0 MB in the beginning and 177.9 MB in the end (delta: -95.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,079 INFO L168 Benchmark]: RCFGBuilder took 395.44 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 159.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,080 INFO L168 Benchmark]: Symbolic Interpretation took 12279.57 ms. Allocated memory was 201.9 MB in the beginning and 308.3 MB in the end (delta: 106.4 MB). Free memory was 159.2 MB in the beginning and 220.7 MB in the end (delta: -61.4 MB). Peak memory consumption was 172.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 40]: 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 42#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |main_~#p1~0.offset| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (= |main_~#p2~0.offset| 0) (= |main_~#b~0.offset| 0) (<= |main_~#p1~0.offset| 0) (= |#NULL.offset| 0) (= |main_~#a~0.offset| 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.86 ms. Allocated memory is still 136.3 MB. Free memory was 91.7 MB in the beginning and 82.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.78 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 82.0 MB in the beginning and 177.9 MB in the end (delta: -95.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 395.44 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 159.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 12279.57 ms. Allocated memory was 201.9 MB in the beginning and 308.3 MB in the end (delta: 106.4 MB). Free memory was 159.2 MB in the beginning and 220.7 MB in the end (delta: -61.4 MB). Peak memory consumption was 172.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...