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/test10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:27:24,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:27:24,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:27:24,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:27:24,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:27:24,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:27:24,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:27:24,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:27:24,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:27:24,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:27:24,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:27:24,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:27:24,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:27:24,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:27:24,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:27:24,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:27:24,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:27:24,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:27:24,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:27:24,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:27:24,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:27:24,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:27:24,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:27:24,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:27:24,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:27:24,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:27:24,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:27:24,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:27:24,927 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 03:27:24,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:27:24,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:27:24,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:27:24,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:27:24,946 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:27:24,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:27:24,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:27:24,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:27:24,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:27:24,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:27:24,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:27:24,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:27:24,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:27:24,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:27:24,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:27:24,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:27:24,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:27:24,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:27:24,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:27:24,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:27:24,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:27:24,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:27:24,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:27:24,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:27:24,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:27:24,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:27:24,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:27:24,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:27:24,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:27:24,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:27:24,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:27:25,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:27:25,004 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:27:25,004 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:27:25,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test10.c [2019-08-31 03:27:25,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11dc7a985/55ff51903b164a9a90cd157c345e8750/FLAG2976d6740 [2019-08-31 03:27:25,527 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:27:25,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test10.c [2019-08-31 03:27:25,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11dc7a985/55ff51903b164a9a90cd157c345e8750/FLAG2976d6740 [2019-08-31 03:27:25,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11dc7a985/55ff51903b164a9a90cd157c345e8750 [2019-08-31 03:27:25,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:27:25,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:27:25,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:25,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:27:25,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:27:25,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:25" (1/1) ... [2019-08-31 03:27:25,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f47b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:25, skipping insertion in model container [2019-08-31 03:27:25,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:25" (1/1) ... [2019-08-31 03:27:25,911 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:27:25,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:27:26,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:26,141 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:27:26,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:26,175 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:27:26,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26 WrapperNode [2019-08-31 03:27:26,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:26,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:27:26,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:27:26,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:27:26,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:27:26,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:27:26,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:27:26,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:27:26,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:26" (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 03:27:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:27:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:27:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 03:27:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:27:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:27:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:27:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 03:27:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:27:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:27:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:27:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:27:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:27:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:27:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:27:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:27:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-31 03:27:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:27:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:27:26,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:27:26,713 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:27:26,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:26 BoogieIcfgContainer [2019-08-31 03:27:26,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:27:26,716 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:27:26,716 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:27:26,717 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:27:26,720 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:26" (1/1) ... [2019-08-31 03:27:26,794 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:27:26,794 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:27:26,802 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:27:26,810 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:27:26,814 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:27:26,926 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_8|], 36=[|v_#valid_9|]} [2019-08-31 03:27:26,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:26,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:26,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:26,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:26,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:26,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:26,996 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-31 03:27:26,997 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:27,204 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-08-31 03:27:27,205 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:27,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:27,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:27,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:27,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:27,444 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-08-31 03:27:27,444 INFO L341 Elim1Store]: treesize reduction 93, result has 40.8 percent of original size [2019-08-31 03:27:27,445 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 63 treesize of output 110 [2019-08-31 03:27:27,448 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:27,772 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-31 03:27:27,773 INFO L567 ElimStorePlain]: treesize reduction 16, result has 90.6 percent of original size [2019-08-31 03:27:27,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:27,774 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:184, output treesize:154 [2019-08-31 03:27:27,812 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 118 for LOIs [2019-08-31 03:27:27,874 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_9|, |v_#memory_$Pointer$.offset_10|, |v_#memory_int_9|, |v_#memory_$Pointer$.base_9|, |v_#memory_$Pointer$.base_10|], 4=[|v_#memory_int_10|]} [2019-08-31 03:27:27,893 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:37,035 WARN L188 SmtUtils]: Spent 9.14 s on a formula simplification. DAG size of input: 181 DAG size of output: 166 [2019-08-31 03:27:37,036 INFO L567 ElimStorePlain]: treesize reduction 45, result has 91.2 percent of original size [2019-08-31 03:27:37,053 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:39,662 WARN L188 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-31 03:27:39,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:39,703 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 03:27:42,271 WARN L188 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 157 [2019-08-31 03:27:42,271 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:42,305 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:44,734 WARN L188 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 154 [2019-08-31 03:27:44,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:44,753 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:46,239 WARN L188 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 148 [2019-08-31 03:27:46,240 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:46,272 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:48,193 WARN L188 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 145 [2019-08-31 03:27:48,194 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:48,196 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:48,197 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:463, output treesize:552 [2019-08-31 03:27:48,386 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 142 treesize of output 28 [2019-08-31 03:27:48,387 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:49,693 WARN L188 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2019-08-31 03:27:49,694 INFO L567 ElimStorePlain]: treesize reduction 4, result has 99.1 percent of original size [2019-08-31 03:27:49,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:49,756 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 35 [2019-08-31 03:27:49,756 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,290 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2019-08-31 03:27:50,290 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.7 percent of original size [2019-08-31 03:27:50,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:50,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:50,318 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 142 treesize of output 28 [2019-08-31 03:27:50,319 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,481 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-31 03:27:50,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:50,484 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,484 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:549, output treesize:164 [2019-08-31 03:27:50,494 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_24|], 2=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|]} [2019-08-31 03:27:50,501 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 [2019-08-31 03:27:50,502 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:50,538 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-08-31 03:27:50,539 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 1 case distinctions, treesize of input 15 treesize of output 15 [2019-08-31 03:27:50,540 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,556 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:50,573 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-08-31 03:27:50,574 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 1 case distinctions, treesize of input 15 treesize of output 15 [2019-08-31 03:27:50,575 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:50,591 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:50,592 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:63, output treesize:40 [2019-08-31 03:27:50,619 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:50,875 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-31 03:27:50,875 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:50,880 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:51,064 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-08-31 03:27:51,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:51,066 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:51,067 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:459, output treesize:205 [2019-08-31 03:27:52,037 WARN L188 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2019-08-31 03:27:52,995 WARN L188 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2019-08-31 03:27:53,002 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_25|], 2=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.base_22|, |v_#memory_$Pointer$.offset_20|, |v_#memory_$Pointer$.base_21|], 6=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.base_19|, |v_#memory_$Pointer$.offset_28|]} [2019-08-31 03:27:53,072 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 401 [2019-08-31 03:27:53,073 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:53,131 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 401 [2019-08-31 03:27:53,132 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:57,102 WARN L188 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2019-08-31 03:27:57,103 INFO L567 ElimStorePlain]: treesize reduction 8, result has 99.0 percent of original size [2019-08-31 03:27:57,123 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 03:27:57,134 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:59,130 WARN L188 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 216 [2019-08-31 03:27:59,130 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:59,140 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:59,150 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:00,859 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 210 [2019-08-31 03:28:00,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:00,872 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:00,883 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:02,850 WARN L188 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 214 [2019-08-31 03:28:02,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:02,870 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:02,884 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:05,446 WARN L188 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 218 [2019-08-31 03:28:05,447 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:05,459 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:05,472 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:08,172 WARN L188 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 222 [2019-08-31 03:28:08,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:08,190 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:08,201 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:10,400 WARN L188 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 216 [2019-08-31 03:28:10,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:10,412 INFO L496 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:10,440 INFO L496 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:14,108 WARN L188 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 217 [2019-08-31 03:28:14,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:14,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:14,252 INFO L341 Elim1Store]: treesize reduction 20, result has 74.4 percent of original size [2019-08-31 03:28:14,253 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 460 treesize of output 492 [2019-08-31 03:28:14,256 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:14,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:14,398 INFO L341 Elim1Store]: treesize reduction 20, result has 74.4 percent of original size [2019-08-31 03:28:14,398 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 460 treesize of output 492 [2019-08-31 03:28:14,400 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:18,837 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2019-08-31 03:28:18,837 INFO L567 ElimStorePlain]: treesize reduction 46, result has 95.2 percent of original size [2019-08-31 03:28:18,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:18,880 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 03:28:18,990 INFO L341 Elim1Store]: treesize reduction 20, result has 77.8 percent of original size [2019-08-31 03:28:18,991 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 451 treesize of output 487 [2019-08-31 03:28:18,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:28:18,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:18,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:18,998 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:19,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:19,115 INFO L341 Elim1Store]: treesize reduction 20, result has 77.8 percent of original size [2019-08-31 03:28:19,116 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 451 treesize of output 487 [2019-08-31 03:28:19,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:19,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:28:19,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:19,120 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:23,317 WARN L188 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 229 DAG size of output: 192 [2019-08-31 03:28:23,318 INFO L567 ElimStorePlain]: treesize reduction 351, result has 70.6 percent of original size [2019-08-31 03:28:23,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:23,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:23,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:23,347 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 03:28:23,430 INFO L341 Elim1Store]: treesize reduction 80, result has 42.0 percent of original size [2019-08-31 03:28:23,431 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 396 treesize of output 328 [2019-08-31 03:28:23,433 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:23,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:23,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:23,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:23,552 INFO L341 Elim1Store]: treesize reduction 80, result has 42.0 percent of original size [2019-08-31 03:28:23,553 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 396 treesize of output 328 [2019-08-31 03:28:23,554 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:24,909 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 168 DAG size of output: 162 [2019-08-31 03:28:24,910 INFO L567 ElimStorePlain]: treesize reduction 46, result has 92.6 percent of original size [2019-08-31 03:28:24,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:24,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:24,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:24,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:28:24,914 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 11 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 03:28:24,914 INFO L221 ElimStorePlain]: Needed 23 recursive calls to eliminate 13 variables, input treesize:1021, output treesize:451 [2019-08-31 03:28:24,937 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:28:24,937 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:28:24,939 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(and (<= 0 |#NULL.base|) (<= |old(~pp1~0.offset)| 0) (or (and (= 0 |#NULL.base|) (< |~#p1~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#p1~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |old(~pp2~0.base)|) (<= |old(~pp2~0.base)| 0) (not (= |~#b~0.base| |~#p2~0.base|)) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (= 0 |~#b~0.offset|) (not (= (select (select |#memory_int| main_~px~0.base) main_~px~0.offset) 8)) (not (= |~#p1~0.base| |~#p2~0.base|)) (= ~pp2~0.base ~pp1~0.base) (= (select (select |old(#memory_$Pointer$.base)| |~#p1~0.base|) |~#p1~0.offset|) 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (<= 0 |old(~pp2~0.offset)|) (= (select (select |old(#memory_$Pointer$.base)| |~#p2~0.base|) |~#p2~0.offset|) 0) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p2~0.base|) |~#p2~0.offset|)) (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p1~0.base|)) (<= 0 |~#p2~0.offset|) (= 4 (select |#length| |~#b~0.base|)) (= 0 |old(~pp1~0.offset)|) (= 1 (select |#valid| |~#a~0.base|)) (= |old(~pp1~0.base)| 0) (= (select |#valid| |~#p1~0.base|) 1) (= 4 (select |#length| |~#p2~0.base|)) (= 1 (select |#valid| |~#p2~0.base|)) (<= |~#p2~0.offset| 0) (= 0 |~#p1~0.offset|) (= |~#p1~0.base| ~pp1~0.base) (= 8 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|)) (= |~#p1~0.offset| ~pp1~0.offset) (= ~pp2~0.offset ~pp1~0.offset) (<= |old(~pp2~0.offset)| 0) (= 0 |~#a~0.offset|) (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|))) (= main_~px~0.base (select (select |#memory_$Pointer$.base| ~pp1~0.base) ~pp1~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| ~pp1~0.base) ~pp1~0.offset) main_~px~0.offset) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p1~0.base|) |~#p1~0.offset|)) (= 7 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#p2~0.base| |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (< |~#p1~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#p1~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |old(~pp2~0.base)|) (<= |old(~pp2~0.base)| 0) (not (= |~#b~0.base| |~#p2~0.base|)) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (= 0 |~#b~0.offset|) (not (= |~#p1~0.base| |~#p2~0.base|)) (= ~pp2~0.base ~pp1~0.base) (= (select (select |old(#memory_$Pointer$.base)| |~#p1~0.base|) |~#p1~0.offset|) 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (<= 0 |old(~pp2~0.offset)|) (= (select (select |old(#memory_$Pointer$.base)| |~#p2~0.base|) |~#p2~0.offset|) 0) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p2~0.base|) |~#p2~0.offset|)) (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p1~0.base|)) (<= 0 |~#p2~0.offset|) (= 4 (select |#length| |~#b~0.base|)) (= 0 |old(~pp1~0.offset)|) (= 1 (select |#valid| |~#a~0.base|)) (= |old(~pp1~0.base)| 0) (not (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|)))) (= (select |#valid| |~#p1~0.base|) 1) (= 4 (select |#length| |~#p2~0.base|)) (= 1 (select |#valid| |~#p2~0.base|)) (<= |~#p2~0.offset| 0) (= 0 |~#p1~0.offset|) (= |~#p1~0.base| ~pp1~0.base) (= 8 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|)) (= |~#p1~0.offset| ~pp1~0.offset) (= ~pp2~0.offset ~pp1~0.offset) (<= |old(~pp2~0.offset)| 0) (= 0 |~#a~0.offset|) (= main_~px~0.base (select (select |#memory_$Pointer$.base| ~pp1~0.base) ~pp1~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| ~pp1~0.base) ~pp1~0.offset) main_~px~0.offset) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p1~0.base|) |~#p1~0.offset|)) (= 7 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#p2~0.base| |#StackHeapBarrier|) (= |#NULL.offset| 0))) (<= 0 |#NULL.offset|) (<= 0 |~#p1~0.offset|) (<= 0 |old(~pp2~0.base)|) (<= |old(~pp2~0.base)| 0) (<= 0 |~#b~0.offset|) (<= |old(~pp1~0.base)| 0) (<= |~#a~0.offset| 0) (<= 0 ~pp1~0.offset) (<= |~#b~0.offset| 0) (<= 0 |old(~pp2~0.offset)|) (<= 0 |~#p2~0.offset|) (<= |#NULL.base| 0) (<= |~#p1~0.offset| 0) (<= ~pp1~0.offset 0) (<= |~#p2~0.offset| 0) (<= ~pp2~0.offset 0) (<= |#NULL.offset| 0) (<= 0 |old(~pp1~0.base)|) (<= 0 ~pp2~0.offset) (<= 0 |~#a~0.offset|) (<= |old(~pp2~0.offset)| 0) (<= 0 |old(~pp1~0.offset)|)) [2019-08-31 03:28:24,965 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:28:24,965 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:28:24,967 INFO L168 Benchmark]: Toolchain (without parser) took 59074.51 ms. Allocated memory was 132.1 MB in the beginning and 409.5 MB in the end (delta: 277.3 MB). Free memory was 88.3 MB in the beginning and 350.8 MB in the end (delta: -262.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:24,968 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:28:24,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.07 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:24,969 INFO L168 Benchmark]: Boogie Preprocessor took 127.52 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.1 MB in the beginning and 174.4 MB in the end (delta: -96.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:24,970 INFO L168 Benchmark]: RCFGBuilder took 411.12 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 155.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:24,971 INFO L168 Benchmark]: Sifa took 58249.66 ms. Allocated memory was 198.7 MB in the beginning and 409.5 MB in the end (delta: 210.8 MB). Free memory was 155.1 MB in the beginning and 350.8 MB in the end (delta: -195.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:24,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.07 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.52 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.1 MB in the beginning and 174.4 MB in the end (delta: -96.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 411.12 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 155.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Sifa took 58249.66 ms. Allocated memory was 198.7 MB in the beginning and 409.5 MB in the end (delta: 210.8 MB). Free memory was 155.1 MB in the beginning and 350.8 MB in the end (delta: -195.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 58.1s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 10 TOOLS_POST_APPLICATIONS, 55.2s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 2.3s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.5s TOOLS_POST_RETURN_TIME, 58.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 13 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 1.0s CALL_SUMMARIZER_OVERALL_TIME, 1.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 48 DAG_COMPRESSION_PROCESSED_NODES, 27 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 47]: 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 33#(and (<= 0 |#NULL.base|) (<= |old(~pp1~0.offset)| 0) (or (and (= 0 |#NULL.base|) (< |~#p1~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#p1~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |old(~pp2~0.base)|) (<= |old(~pp2~0.base)| 0) (not (= |~#b~0.base| |~#p2~0.base|)) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (= 0 |~#b~0.offset|) (not (= (select (select |#memory_int| main_~px~0.base) main_~px~0.offset) 8)) (not (= |~#p1~0.base| |~#p2~0.base|)) (= ~pp2~0.base ~pp1~0.base) (= (select (select |old(#memory_$Pointer$.base)| |~#p1~0.base|) |~#p1~0.offset|) 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (<= 0 |old(~pp2~0.offset)|) (= (select (select |old(#memory_$Pointer$.base)| |~#p2~0.base|) |~#p2~0.offset|) 0) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p2~0.base|) |~#p2~0.offset|)) (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p1~0.base|)) (<= 0 |~#p2~0.offset|) (= 4 (select |#length| |~#b~0.base|)) (= 0 |old(~pp1~0.offset)|) (= 1 (select |#valid| |~#a~0.base|)) (= |old(~pp1~0.base)| 0) (= (select |#valid| |~#p1~0.base|) 1) (= 4 (select |#length| |~#p2~0.base|)) (= 1 (select |#valid| |~#p2~0.base|)) (<= |~#p2~0.offset| 0) (= 0 |~#p1~0.offset|) (= |~#p1~0.base| ~pp1~0.base) (= 8 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|)) (= |~#p1~0.offset| ~pp1~0.offset) (= ~pp2~0.offset ~pp1~0.offset) (<= |old(~pp2~0.offset)| 0) (= 0 |~#a~0.offset|) (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|))) (= main_~px~0.base (select (select |#memory_$Pointer$.base| ~pp1~0.base) ~pp1~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| ~pp1~0.base) ~pp1~0.offset) main_~px~0.offset) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p1~0.base|) |~#p1~0.offset|)) (= 7 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#p2~0.base| |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (< |~#p1~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#p1~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |old(~pp2~0.base)|) (<= |old(~pp2~0.base)| 0) (not (= |~#b~0.base| |~#p2~0.base|)) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (= 0 |~#b~0.offset|) (not (= |~#p1~0.base| |~#p2~0.base|)) (= ~pp2~0.base ~pp1~0.base) (= (select (select |old(#memory_$Pointer$.base)| |~#p1~0.base|) |~#p1~0.offset|) 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (<= 0 |old(~pp2~0.offset)|) (= (select (select |old(#memory_$Pointer$.base)| |~#p2~0.base|) |~#p2~0.offset|) 0) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p2~0.base|) |~#p2~0.offset|)) (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p1~0.base|)) (<= 0 |~#p2~0.offset|) (= 4 (select |#length| |~#b~0.base|)) (= 0 |old(~pp1~0.offset)|) (= 1 (select |#valid| |~#a~0.base|)) (= |old(~pp1~0.base)| 0) (not (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|)))) (= (select |#valid| |~#p1~0.base|) 1) (= 4 (select |#length| |~#p2~0.base|)) (= 1 (select |#valid| |~#p2~0.base|)) (<= |~#p2~0.offset| 0) (= 0 |~#p1~0.offset|) (= |~#p1~0.base| ~pp1~0.base) (= 8 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|)) (= |~#p1~0.offset| ~pp1~0.offset) (= ~pp2~0.offset ~pp1~0.offset) (<= |old(~pp2~0.offset)| 0) (= 0 |~#a~0.offset|) (= main_~px~0.base (select (select |#memory_$Pointer$.base| ~pp1~0.base) ~pp1~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| ~pp1~0.base) ~pp1~0.offset) main_~px~0.offset) (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#p1~0.base|) |~#p1~0.offset|)) (= 7 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#p2~0.base| |#StackHeapBarrier|) (= |#NULL.offset| 0))) (<= 0 |#NULL.offset|) (<= 0 |~#p1~0.offset|) (<= 0 |old(~pp2~0.base)|) (<= |old(~pp2~0.base)| 0) (<= 0 |~#b~0.offset|) (<= |old(~pp1~0.base)| 0) (<= |~#a~0.offset| 0) (<= 0 ~pp1~0.offset) (<= |~#b~0.offset| 0) (<= 0 |old(~pp2~0.offset)|) (<= 0 |~#p2~0.offset|) (<= |#NULL.base| 0) (<= |~#p1~0.offset| 0) (<= ~pp1~0.offset 0) (<= |~#p2~0.offset| 0) (<= ~pp2~0.offset 0) (<= |#NULL.offset| 0) (<= 0 |old(~pp1~0.base)|) (<= 0 ~pp2~0.offset) (<= 0 |~#a~0.offset|) (<= |old(~pp2~0.offset)| 0) (<= 0 |old(~pp1~0.offset)|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...