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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:22:50,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:22:50,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:22:50,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:22:50,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:22:50,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:22:50,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:22:50,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:22:50,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:22:50,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:22:50,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:22:50,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:22:50,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:22:50,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:22:50,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:22:50,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:22:50,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:22:50,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:22:50,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:22:50,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:22:50,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:22:50,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:22:50,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:22:50,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:22:50,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:22:50,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:22:50,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:22:50,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:22:50,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:22:50,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:22:50,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:22:50,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:22:50,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:22:50,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:22:50,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:22:50,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:22:50,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:22:50,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:22:50,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:22:50,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:22:50,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:22:50,094 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 19:22:50,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:22:50,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:22:50,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:22:50,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:22:50,121 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:22:50,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:22:50,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:22:50,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:22:50,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:22:50,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:22:50,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:22:50,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:22:50,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:22:50,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:22:50,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:22:50,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:22:50,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:22:50,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:22:50,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:22:50,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:22:50,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:22:50,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:22:50,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:22:50,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:22:50,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:22:50,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:22:50,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:22:50,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:22:50,128 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 -> SingleStatement 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:22:50,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:22:50,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:22:50,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:22:50,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:22:50,197 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:22:50,198 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-09-20 19:22:50,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9791b6f07/5f97b6653bbe4bf6ba06bd75c034eba0/FLAG5906a1f0a [2019-09-20 19:22:50,928 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:22:50,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-09-20 19:22:50,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9791b6f07/5f97b6653bbe4bf6ba06bd75c034eba0/FLAG5906a1f0a [2019-09-20 19:22:51,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9791b6f07/5f97b6653bbe4bf6ba06bd75c034eba0 [2019-09-20 19:22:51,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:22:51,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:22:51,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:22:51,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:22:51,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:22:51,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:22:51" (1/1) ... [2019-09-20 19:22:51,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636e3d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:51, skipping insertion in model container [2019-09-20 19:22:51,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:22:51" (1/1) ... [2019-09-20 19:22:51,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:22:51,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:22:52,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:22:52,145 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:22:52,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:22:52,484 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:22:52,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52 WrapperNode [2019-09-20 19:22:52,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:22:52,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:22:52,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:22:52,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:22:52,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (1/1) ... [2019-09-20 19:22:52,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:22:52,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:22:52,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:22:52,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:22:52,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:52" (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 19:22:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:22:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:22:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:22:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:22:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:22:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:22:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:22:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:22:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:22:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:22:56,139 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:22:56,139 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:22:56,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:22:56 BoogieIcfgContainer [2019-09-20 19:22:56,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:22:56,143 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:22:56,143 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:22:56,143 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:22:56,145 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:22:56" (1/1) ... [2019-09-20 19:22:56,145 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=SizeLimitFluid [2019-09-20 19:22:56,170 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-20 19:22:56,170 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:22:56,188 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:22:56,198 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:22:56,200 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:22:56,349 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 44 for LOIs [2019-09-20 19:23:29,055 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2019-09-20 19:23:29,256 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 19:23:29,369 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 1 [2019-09-20 19:23:30,152 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2019-09-20 19:23:30,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:30,487 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:30,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:30,959 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:31,237 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:31,306 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:31,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:31,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:31,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:31,940 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:32,217 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:32,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:32,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:32,616 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:32,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:32,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:33,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:23:33,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6