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/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:33:20,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:33:20,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:33:20,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:33:20,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:33:20,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:33:20,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:33:20,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:33:20,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:33:20,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:33:20,988 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:33:20,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:33:20,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:33:20,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:33:20,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:33:20,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:33:20,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:33:20,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:33:20,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:33:20,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:33:21,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:33:21,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:33:21,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:33:21,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:33:21,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 09:33:21,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:33:21,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:33:21,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:33:21,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:33:21,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:33:21,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:33:21,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:33:21,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:33:21,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:33:21,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:33:21,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:33:21,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 09:33:21,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:33:21,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:33:21,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:33:21,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:33:21,054 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:33:21,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:33:21,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:33:21,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:33:21,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:33:21,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:33:21,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:33:21,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:33:21,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:33:21,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:33:21,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:33:21,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:33:21,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:33:21,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:33:21,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:33:21,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:33:21,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:33:21,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:33:21,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:33:21,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:33:21,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:33:21,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:33:21,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:33:21,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:33:21,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:33:21,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:33:21,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:33:21,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:33:21,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:33:21,135 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:33:21,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:21,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcc25c55/984feb7634ef46e1b6a805cf3eea3a4d/FLAGb8a2db62e [2019-08-18 09:33:21,753 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:33:21,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:21,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcc25c55/984feb7634ef46e1b6a805cf3eea3a4d/FLAGb8a2db62e [2019-08-18 09:33:22,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcc25c55/984feb7634ef46e1b6a805cf3eea3a4d [2019-08-18 09:33:22,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:33:22,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:33:22,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:22,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:33:22,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:33:22,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b598bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22, skipping insertion in model container [2019-08-18 09:33:22,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:33:22,155 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:33:22,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:22,577 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:33:22,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:22,665 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:33:22,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22 WrapperNode [2019-08-18 09:33:22,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:22,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:33:22,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:33:22,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:33:22,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... [2019-08-18 09:33:22,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:33:22,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:33:22,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:33:22,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:33:22,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:33:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:33:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:33:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-18 09:33:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-18 09:33:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-18 09:33:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-18 09:33:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-18 09:33:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-18 09:33:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:33:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:33:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:33:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:33:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:33:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:33:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:33:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 09:33:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:33:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:33:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:33:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:33:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 09:33:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 09:33:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 09:33:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 09:33:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 09:33:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 09:33:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:33:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:33:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:33:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:33:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:33:23,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:33:23,572 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:33:23,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:23 BoogieIcfgContainer [2019-08-18 09:33:23,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:33:23,575 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:33:23,575 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:33:23,575 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:33:23,577 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:23" (1/1) ... [2019-08-18 09:33:23,595 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:33:23,600 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:33:23,613 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:33:23,622 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:33:23,624 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:33:23,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:23,808 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-18 09:33:23,809 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:24,107 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-18 09:33:24,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:24,125 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:24,126 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:24,127 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:24,127 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:24,128 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:24,132 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-18 09:33:24,133 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:24,377 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-18 09:33:24,377 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:24,378 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:33:24,379 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:175, output treesize:193 [2019-08-18 09:33:24,413 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 208 [2019-08-18 09:33:24,564 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,883 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,926 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:24,989 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 20 [2019-08-18 09:33:24,990 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:33:24,990 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:33:24,993 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 550#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (= 1 |assert_#in~arg|) (= 0 |assert_#in~arg|)) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~p5_new~0) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)) [2019-08-18 09:33:25,004 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:33:25,004 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:33:25,006 INFO L168 Benchmark]: Toolchain (without parser) took 2921.57 ms. Allocated memory was 132.6 MB in the beginning and 262.1 MB in the end (delta: 129.5 MB). Free memory was 87.8 MB in the beginning and 200.5 MB in the end (delta: -112.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:25,007 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 09:33:25,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.67 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 171.2 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:25,009 INFO L168 Benchmark]: Boogie Preprocessor took 65.73 ms. Allocated memory is still 199.8 MB. Free memory was 171.2 MB in the beginning and 167.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:25,010 INFO L168 Benchmark]: RCFGBuilder took 842.04 ms. Allocated memory is still 199.8 MB. Free memory was 167.8 MB in the beginning and 120.9 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:25,011 INFO L168 Benchmark]: Symbolic Interpretation took 1429.35 ms. Allocated memory was 199.8 MB in the beginning and 262.1 MB in the end (delta: 62.4 MB). Free memory was 120.9 MB in the beginning and 200.5 MB in the end (delta: -79.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:25,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 548]: 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 550#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (= 1 |assert_#in~arg|) (= 0 |assert_#in~arg|)) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~p5_new~0) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 580.67 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 171.2 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.73 ms. Allocated memory is still 199.8 MB. Free memory was 171.2 MB in the beginning and 167.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 842.04 ms. Allocated memory is still 199.8 MB. Free memory was 167.8 MB in the beginning and 120.9 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1429.35 ms. Allocated memory was 199.8 MB in the beginning and 262.1 MB in the end (delta: 62.4 MB). Free memory was 120.9 MB in the beginning and 200.5 MB in the end (delta: -79.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...