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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/locks/test_locks_6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:17:55,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:17:55,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:17:55,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:17:55,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:17:55,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:17:55,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:17:55,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:17:55,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:17:55,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:17:55,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:17:55,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:17:55,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:17:55,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:17:55,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:17:55,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:17:55,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:17:55,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:17:55,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:17:55,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:17:55,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:17:55,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:17:55,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:17:55,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:17:55,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:17:55,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:17:55,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:17:55,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:17:55,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:17:55,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:17:55,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:17:55,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:17:55,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:17:55,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:17:55,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:17:55,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:17:55,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:17:55,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:17:55,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:17:55,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:17:55,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:17:55,124 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 [2019-10-04 09:17:55,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:17:55,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:17:55,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:17:55,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:17:55,143 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:17:55,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:17:55,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:17:55,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:17:55,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:17:55,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:17:55,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:17:55,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:17:55,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:17:55,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:17:55,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:17:55,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:17:55,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:17:55,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:17:55,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:17:55,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:17:55,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:17:55,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:17:55,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:17:55,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:17:55,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:17:55,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:17:55,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:17:55,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:17:55,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:17:55,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:17:55,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:17:55,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:17:55,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:17:55,212 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:17:55,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_6.c [2019-10-04 09:17:55,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/012b2bc08/f0450c14a56741419fae18c7812f0920/FLAG466d1a160 [2019-10-04 09:17:55,710 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:17:55,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c [2019-10-04 09:17:55,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/012b2bc08/f0450c14a56741419fae18c7812f0920/FLAG466d1a160 [2019-10-04 09:17:56,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/012b2bc08/f0450c14a56741419fae18c7812f0920 [2019-10-04 09:17:56,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:17:56,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:17:56,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:17:56,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:17:56,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:17:56,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eff091d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56, skipping insertion in model container [2019-10-04 09:17:56,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:17:56,142 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:17:56,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:17:56,344 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:17:56,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:17:56,385 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:17:56,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56 WrapperNode [2019-10-04 09:17:56,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:17:56,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:17:56,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:17:56,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:17:56,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (1/1) ... [2019-10-04 09:17:56,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:17:56,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:17:56,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:17:56,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:17:56,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:17:56" (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 [2019-10-04 09:17:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:17:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:17:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:17:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:17:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:17:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:17:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:17:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:17:57,003 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:17:57,003 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 09:17:57,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:17:57 BoogieIcfgContainer [2019-10-04 09:17:57,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:17:57,005 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:17:57,005 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:17:57,006 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:17:57,007 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:17:57" (1/1) ... [2019-10-04 09:17:57,007 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 09:17:57,031 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:17:57,031 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:17:57,037 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:17:57,045 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:17:57,046 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:17:57,134 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-04 09:17:57,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 09:17:57,251 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 09:17:58,002 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:17:58,370 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:17:58,755 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:17:59,043 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:17:59,261 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-04 09:17:59,383 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-04 09:17:59,644 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-04 09:17:59,976 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:18:00,215 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:18:00,585 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-04 09:18:01,068 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-04 09:18:01,270 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-04 09:18:01,564 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 09:18:01,883 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 09:18:02,058 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 09:18:02,227 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:18:02,376 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:18:03,139 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-04 09:18:03,346 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-10-04 09:18:04,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 09:18:04,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 09:18:04,278 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:18:04,428 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:18:05,826 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 09:18:05,963 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:18:06,098 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-04 09:18:06,248 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:18:06,379 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:18:06,532 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-04 09:18:06,657 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-04 09:18:06,799 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-04 09:18:06,944 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-04 09:18:07,087 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:18:07,213 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-04 09:18:07,423 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-04 09:18:07,969 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-04 09:18:08,485 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 09:18:08,719 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 09:18:08,975 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:18:08,975 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:18:08,977 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3056#(and (<= main_~p1~0 2147483647) (<= 0 main_~lk4~0) (<= main_~p5~0 2147483647) (<= main_~p6~0 2147483647) (<= main_~p3~0 2147483647) (<= main_~lk4~0 1) (<= main_~cond~0 2147483647) (<= 0 main_~lk1~0) (<= 0 (+ main_~p1~0 2147483648)) (<= 0 main_~lk6~0) (<= 0 (+ main_~cond~0 2147483648)) (<= main_~p2~0 2147483647) (<= 0 main_~lk5~0) (<= 0 main_~lk2~0) (<= 0 (+ main_~p3~0 2147483648)) (<= main_~lk3~0 1) (<= 0 (+ main_~p4~0 2147483648)) (<= main_~lk6~0 1) (<= 0 (+ main_~p2~0 2147483648)) (<= 0 (+ main_~p5~0 2147483648)) (<= 0 (+ main_~p6~0 2147483648)) (<= main_~lk2~0 1) (<= 0 main_~lk3~0) (<= main_~lk1~0 1) (<= main_~lk5~0 1) (<= main_~p4~0 2147483647)) [2019-10-04 09:18:08,988 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:18:08,988 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:18:08,990 INFO L168 Benchmark]: Toolchain (without parser) took 12889.38 ms. Allocated memory was 133.7 MB in the beginning and 622.9 MB in the end (delta: 489.2 MB). Free memory was 89.6 MB in the beginning and 155.2 MB in the end (delta: -65.7 MB). Peak memory consumption was 423.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:18:08,991 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:18:08,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.41 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:18:08,993 INFO L168 Benchmark]: Boogie Preprocessor took 118.22 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 176.2 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-10-04 09:18:08,993 INFO L168 Benchmark]: RCFGBuilder took 500.02 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 153.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-10-04 09:18:08,994 INFO L168 Benchmark]: Sifa took 11982.59 ms. Allocated memory was 200.3 MB in the beginning and 622.9 MB in the end (delta: 422.6 MB). Free memory was 153.6 MB in the beginning and 155.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 420.9 MB. Max. memory is 7.1 GB. [2019-10-04 09:18:08,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.41 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.22 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 176.2 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.02 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 153.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Sifa took 11982.59 ms. Allocated memory was 200.3 MB in the beginning and 622.9 MB in the end (delta: 422.6 MB). Free memory was 153.6 MB in the beginning and 155.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 420.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11946, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 119, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 105, TOOLS_POST_TIME[ms]: 98, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 5, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 108, TOOLS_QUANTIFIERELIM_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 120, FLUID_YES_ANSWERS: 31, DOMAIN_JOIN_APPLICATIONS: 67, DOMAIN_JOIN_TIME[ms]: 3772, DOMAIN_ALPHA_APPLICATIONS: 31, DOMAIN_ALPHA_TIME[ms]: 7635, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 295, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6860, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6859, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 52, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 652, DAG_COMPRESSION_RETAINED_NODES: 173 - UnprovableResult [Line: 105]: 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 3056#(and (<= main_~p1~0 2147483647) (<= 0 main_~lk4~0) (<= main_~p5~0 2147483647) (<= main_~p6~0 2147483647) (<= main_~p3~0 2147483647) (<= main_~lk4~0 1) (<= main_~cond~0 2147483647) (<= 0 main_~lk1~0) (<= 0 (+ main_~p1~0 2147483648)) (<= 0 main_~lk6~0) (<= 0 (+ main_~cond~0 2147483648)) (<= main_~p2~0 2147483647) (<= 0 main_~lk5~0) (<= 0 main_~lk2~0) (<= 0 (+ main_~p3~0 2147483648)) (<= main_~lk3~0 1) (<= 0 (+ main_~p4~0 2147483648)) (<= main_~lk6~0 1) (<= 0 (+ main_~p2~0 2147483648)) (<= 0 (+ main_~p5~0 2147483648)) (<= 0 (+ main_~p6~0 2147483648)) (<= main_~lk2~0 1) (<= 0 main_~lk3~0) (<= main_~lk1~0 1) (<= main_~lk5~0 1) (<= main_~p4~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...