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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:50,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:50,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:50,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:50,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:50,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:50,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:50,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:50,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:50,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:50,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:50,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:50,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:50,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:50,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:50,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:50,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:50,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:50,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:50,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:50,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:50,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:50,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:50,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:50,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:19:50,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:19:50,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:19:50,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:19:50,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:19:50,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2019-09-20 23:19:50,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:50,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:50,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:50,995 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 [2019-09-20 23:19:51,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:51,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:51,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:51,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:51,012 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:51,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:51,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:51,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:51,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:51,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:51,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:51,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:51,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:51,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:51,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:51,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:51,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:51,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:51,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:51,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:51,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:51,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:51,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:51,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:51,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:51,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:51,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:51,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:51,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:19:51,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:51,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:51,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:51,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:51,077 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:51,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-20 23:19:51,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233c8856b/89906ecead4f4b99b3abf8517ba005ce/FLAG5b8d475c5 [2019-09-20 23:19:51,670 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:51,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-20 23:19:51,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233c8856b/89906ecead4f4b99b3abf8517ba005ce/FLAG5b8d475c5 [2019-09-20 23:19:51,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233c8856b/89906ecead4f4b99b3abf8517ba005ce [2019-09-20 23:19:52,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:52,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:52,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:52,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:52,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:52,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:51" (1/1) ... [2019-09-20 23:19:52,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c86f12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52, skipping insertion in model container [2019-09-20 23:19:52,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:51" (1/1) ... [2019-09-20 23:19:52,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:52,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:52,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:52,251 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:52,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:52,384 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:52,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52 WrapperNode [2019-09-20 23:19:52,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:52,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:52,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:52,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:52,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:52,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:52,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:52,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:52,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (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 [2019-09-20 23:19:52,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:52,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:52,477 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 23:19:52,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:19:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 23:19:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:52,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:52,877 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:19:52,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:52 BoogieIcfgContainer [2019-09-20 23:19:52,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:52,879 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:52,879 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:52,879 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:52,880 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,881 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:19:52,903 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:52,904 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:52,912 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:52,920 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:52,922 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:53,079 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:19:53,300 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 23:19:53,443 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:19:53,574 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:19:53,679 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:19:56,379 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2019-09-20 23:19:57,385 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 23:19:58,213 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 23:19:58,773 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 23:19:59,036 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 140 [2019-09-20 23:19:59,141 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 23:20:12,815 WARN L191 SmtUtils]: Spent 13.59 s on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2019-09-20 23:20:20,588 WARN L191 SmtUtils]: Spent 7.73 s on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 23:20:24,783 WARN L191 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 23:20:27,111 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-20 23:20:27,648 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 206 [2019-09-20 23:20:27,772 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 206