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/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:45:03,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:45:03,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:45:03,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:45:03,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:45:03,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:45:03,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:45:03,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:45:03,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:45:03,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:45:03,631 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:45:03,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:45:03,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:45:03,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:45:03,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:45:03,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:45:03,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:45:03,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:45:03,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:45:03,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:45:03,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:45:03,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:45:03,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:45:03,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:45:03,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:45:03,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:45:03,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:45:03,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:45:03,656 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 21:45:03,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:45:03,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:45:03,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:45:03,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:45:03,672 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:45:03,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:45:03,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:45:03,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:45:03,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:45:03,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:45:03,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:45:03,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:45:03,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:45:03,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:45:03,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:45:03,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:45:03,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:45:03,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:45:03,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:45:03,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:45:03,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:45:03,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:03,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:45:03,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:45:03,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:45:03,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:45:03,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:45:03,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:45:03,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:45:03,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:45:03,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:45:03,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:45:03,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:45:03,730 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:45:03,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-08-22 21:45:03,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec139de20/51983f9e1a7f449991a77596ef8155ac/FLAGb50964bc6 [2019-08-22 21:45:04,205 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:45:04,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-08-22 21:45:04,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec139de20/51983f9e1a7f449991a77596ef8155ac/FLAGb50964bc6 [2019-08-22 21:45:04,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec139de20/51983f9e1a7f449991a77596ef8155ac [2019-08-22 21:45:04,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:45:04,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:45:04,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:04,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:45:04,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:45:04,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:04,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75556f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04, skipping insertion in model container [2019-08-22 21:45:04,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:04,661 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:45:04,681 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:45:04,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:04,857 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:45:04,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:04,904 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:45:04,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04 WrapperNode [2019-08-22 21:45:04,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:04,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:45:04,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:45:04,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:45:05,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (1/1) ... [2019-08-22 21:45:05,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:45:05,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:45:05,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:45:05,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:45:05,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:04" (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 21:45:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:45:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:45:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-08-22 21:45:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-22 21:45:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:45:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:45:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-22 21:45:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:45:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:45:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:45:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-22 21:45:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:45:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:45:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:45:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:45:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:45:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:45:05,509 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:45:05,510 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:45:05,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:05 BoogieIcfgContainer [2019-08-22 21:45:05,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:45:05,511 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:45:05,512 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:45:05,512 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:45:05,513 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:05" (1/1) ... [2019-08-22 21:45:05,527 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:45:05,529 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:45:05,540 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:45:05,550 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:45:05,552 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:45:05,692 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 21:45:05,699 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:05,751 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:05,752 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:05,753 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:45:05,790 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:45:05,845 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|, |v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.offset_20|, |v_#memory_int_21|], 4=[|v_#memory_int_20|]} [2019-08-22 21:45:05,873 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:45:07,302 WARN L188 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-08-22 21:45:07,303 INFO L567 ElimStorePlain]: treesize reduction 9, result has 97.9 percent of original size [2019-08-22 21:45:07,320 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 21:45:08,080 WARN L188 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-22 21:45:08,081 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:08,092 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:08,627 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-08-22 21:45:08,628 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:08,636 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:09,020 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-22 21:45:09,020 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:09,031 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 21:45:09,409 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:45:09,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:09,433 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 21:45:09,906 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-22 21:45:09,907 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:09,909 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 21:45:09,909 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:382, output treesize:507 [2019-08-22 21:45:09,920 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_23|], 2=[|v_#memory_int_6|], 4=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.base_22|]} [2019-08-22 21:45:09,940 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 21:45:09,940 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:09,978 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:09,991 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 21:45:09,991 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,016 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,091 INFO L341 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2019-08-22 21:45:10,092 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 21:45:10,093 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,131 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,205 INFO L341 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2019-08-22 21:45:10,206 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 21:45:10,207 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,253 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:10,254 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,254 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:131, output treesize:80 [2019-08-22 21:45:10,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:45:10,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:45:10,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:45:10,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,374 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,389 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,403 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,416 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,430 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,439 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:10,449 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,711 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2019-08-22 21:45:11,711 INFO L567 ElimStorePlain]: treesize reduction 1484, result has 36.5 percent of original size [2019-08-22 21:45:11,720 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,744 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:11,763 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:12,194 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-22 21:45:12,194 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:12,195 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 21:45:12,196 INFO L221 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:3352, output treesize:471 [2019-08-22 21:45:12,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:45:12,214 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_1, |v_#memory_int_24|, v_prenex_2, v_prenex_3, v_prenex_4, v_prenex_5, v_prenex_6], 6=[|v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_23|]} [2019-08-22 21:45:12,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:12,242 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 196 treesize of output 184 [2019-08-22 21:45:12,244 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:12,920 WARN L188 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-08-22 21:45:12,920 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:12,978 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:12,979 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 208 treesize of output 255 [2019-08-22 21:45:12,981 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:14,180 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2019-08-22 21:45:14,181 INFO L567 ElimStorePlain]: treesize reduction 32, result has 94.9 percent of original size [2019-08-22 21:45:14,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:14,211 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 181 treesize of output 180 [2019-08-22 21:45:14,212 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:14,749 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-08-22 21:45:14,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:14,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:14,769 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 177 treesize of output 161 [2019-08-22 21:45:14,771 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:15,245 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-22 21:45:15,246 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:15,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:15,264 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 192 treesize of output 180 [2019-08-22 21:45:15,265 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:15,718 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-22 21:45:15,719 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:15,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:15,741 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 177 treesize of output 176 [2019-08-22 21:45:15,742 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:16,195 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-08-22 21:45:16,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:16,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:16,220 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 173 treesize of output 161 [2019-08-22 21:45:16,222 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:16,635 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:45:16,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:16,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:16,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:16,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:16,660 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 220 treesize of output 203 [2019-08-22 21:45:16,662 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:17,025 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-22 21:45:17,025 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:17,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:17,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:17,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:17,048 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 205 treesize of output 188 [2019-08-22 21:45:17,050 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:17,409 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-08-22 21:45:17,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:17,411 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-22 21:45:17,412 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:597, output treesize:507 [2019-08-22 21:45:17,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:45:17,425 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:45:17,425 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:45:17,427 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 45#(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) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#p2~0.base|) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| |main_~#p2~0.base|) |main_~#p2~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#p2~0.offset|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (and (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|))) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1)))) (<= |main_~#p1~0.offset| 0)) [2019-08-22 21:45:17,444 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:45:17,444 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:45:17,446 INFO L168 Benchmark]: Toolchain (without parser) took 12799.65 ms. Allocated memory was 138.4 MB in the beginning and 280.0 MB in the end (delta: 141.6 MB). Free memory was 94.5 MB in the beginning and 130.8 MB in the end (delta: -36.3 MB). Peak memory consumption was 134.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:17,447 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 112.7 MB in the beginning and 112.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:45:17,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.53 ms. Allocated memory is still 138.4 MB. Free memory was 94.3 MB in the beginning and 84.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:17,448 INFO L168 Benchmark]: Boogie Preprocessor took 212.05 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 84.2 MB in the beginning and 181.7 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:17,449 INFO L168 Benchmark]: RCFGBuilder took 393.08 ms. Allocated memory is still 205.5 MB. Free memory was 181.7 MB in the beginning and 163.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:17,450 INFO L168 Benchmark]: Symbolic Interpretation took 11932.64 ms. Allocated memory was 205.5 MB in the beginning and 280.0 MB in the end (delta: 74.4 MB). Free memory was 163.1 MB in the beginning and 130.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:17,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 45#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#p2~0.base|) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| |main_~#p2~0.base|) |main_~#p2~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#p2~0.offset|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (and (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|))) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1)))) (<= |main_~#p1~0.offset| 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 112.7 MB in the beginning and 112.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.53 ms. Allocated memory is still 138.4 MB. Free memory was 94.3 MB in the beginning and 84.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 212.05 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 84.2 MB in the beginning and 181.7 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 393.08 ms. Allocated memory is still 205.5 MB. Free memory was 181.7 MB in the beginning and 163.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 11932.64 ms. Allocated memory was 205.5 MB in the beginning and 280.0 MB in the end (delta: 74.4 MB). Free memory was 163.1 MB in the beginning and 130.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...