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-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 22:38:59,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 22:38:59,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 22:38:59,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 22:38:59,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 22:38:59,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 22:38:59,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 22:38:59,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 22:38:59,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 22:38:59,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 22:38:59,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 22:38:59,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 22:38:59,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 22:38:59,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 22:38:59,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 22:38:59,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 22:38:59,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 22:38:59,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 22:38:59,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 22:38:59,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 22:38:59,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 22:38:59,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 22:38:59,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 22:38:59,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 22:38:59,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 22:38:59,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 22:38:59,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 22:38:59,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 22:38:59,233 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 [2019-08-31 22:38:59,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 22:38:59,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 22:38:59,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 22:38:59,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 22:38:59,261 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 22:38:59,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 22:38:59,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 22:38:59,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 22:38:59,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 22:38:59,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 22:38:59,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 22:38:59,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 22:38:59,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 22:38:59,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 22:38:59,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 22:38:59,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 22:38:59,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 22:38:59,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 22:38:59,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 22:38:59,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 22:38:59,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 22:38:59,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 22:38:59,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 22:38:59,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 22:38:59,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 22:38:59,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 22:38:59,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 22:38:59,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 22:38:59,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 22:38:59,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 22:38:59,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 22:38:59,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 22:38:59,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 22:38:59,344 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 22:38:59,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-31 22:38:59,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b7d4d54/911920822fe04358bfac72ce88e4b1b2/FLAG20a1316df [2019-08-31 22:39:00,402 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 22:39:00,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-31 22:39:00,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b7d4d54/911920822fe04358bfac72ce88e4b1b2/FLAG20a1316df [2019-08-31 22:39:00,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b7d4d54/911920822fe04358bfac72ce88e4b1b2 [2019-08-31 22:39:00,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 22:39:00,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 22:39:00,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 22:39:00,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 22:39:00,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 22:39:00,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 10:39:00" (1/1) ... [2019-08-31 22:39:00,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2869202d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:00, skipping insertion in model container [2019-08-31 22:39:00,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 10:39:00" (1/1) ... [2019-08-31 22:39:00,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 22:39:01,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 22:39:04,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 22:39:04,476 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 22:39:06,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 22:39:06,263 INFO L192 MainTranslator]: Completed translation [2019-08-31 22:39:06,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06 WrapperNode [2019-08-31 22:39:06,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 22:39:06,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 22:39:06,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 22:39:06,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 22:39:06,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (1/1) ... [2019-08-31 22:39:06,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 22:39:06,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 22:39:06,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 22:39:06,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 22:39:06,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 10:39:06" (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 [2019-08-31 22:39:07,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 22:39:07,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 22:39:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 22:39:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 22:39:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 22:39:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 22:39:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 22:39:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 22:39:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 22:39:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 22:39:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 22:39:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 22:39:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 22:39:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 22:39:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 22:39:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 22:39:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 22:39:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 22:39:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 22:39:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 22:39:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 22:39:20,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 22:39:20,125 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 22:39:20,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 10:39:20 BoogieIcfgContainer [2019-08-31 22:39:20,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 22:39:20,130 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 22:39:20,131 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 22:39:20,131 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 22:39:20,132 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 10:39:20" (1/1) ... [2019-08-31 22:39:20,170 INFO L162 IcfgInterpreter]: Started Sifa with 19 locations of interest [2019-08-31 22:39:20,171 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 22:39:20,193 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 22:39:20,202 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 22:39:20,203 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 22:39:20,517 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 22:39:20,519 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 22:39:20,520 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 22:39:20,521 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 22:39:20,535 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-31 22:39:20,536 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 22:39:24,774 WARN L188 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 658 [2019-08-31 22:39:24,775 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 22:39:24,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 22:39:24,869 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-31 22:39:24,870 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 22:39:28,881 WARN L188 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 661 [2019-08-31 22:39:28,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 22:39:28,884 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 22:39:28,885 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:970, output treesize:984 [2019-08-31 22:39:29,049 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1612 for LOIs