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-var-start-time.6.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:31:02,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:31:02,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:31:02,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-22 01:31:02,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:31:02,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:31:02,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:31:02,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:31:02,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:31:02,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:31:02,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:31:02,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:31:02,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:31:02,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:31:02,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:31:02,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:31:02,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 01:31:02,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:31:02,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:31:02,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:31:02,306 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 [2019-08-22 01:31:02,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:31:02,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:31:02,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:31:02,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:31:02,325 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:31:02,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:31:02,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:31:02,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:31:02,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:31:02,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:31:02,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:31:02,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:31:02,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:31:02,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:31:02,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:31:02,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:31:02,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:31:02,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:31:02,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:31:02,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:31:02,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:31:02,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:31:02,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:31:02,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:31:02,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:31:02,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:31:02,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:31:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:31:02,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:31:02,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:31:02,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:31:02,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:31:02,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:31:02,393 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:31:02,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2019-08-22 01:31:02,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6404766/8c9bd845975f4618a29878efc2fc7fb6/FLAGf90f48697 [2019-08-22 01:31:02,932 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:31:02,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2019-08-22 01:31:02,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6404766/8c9bd845975f4618a29878efc2fc7fb6/FLAGf90f48697 [2019-08-22 01:31:03,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6404766/8c9bd845975f4618a29878efc2fc7fb6 [2019-08-22 01:31:03,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:31:03,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:31:03,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:31:03,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:31:03,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:31:03,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3f3aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03, skipping insertion in model container [2019-08-22 01:31:03,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:31:03,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:31:03,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:31:03,750 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:31:03,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:31:03,849 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:31:03,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03 WrapperNode [2019-08-22 01:31:03,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:31:03,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:31:03,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:31:03,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:31:03,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (1/1) ... [2019-08-22 01:31:03,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:31:03,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:31:03,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:31:03,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:31:03,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:31:03" (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 [2019-08-22 01:31:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:31:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:31:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-22 01:31:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-22 01:31:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:31:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-22 01:31:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:31:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:31:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:31:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-22 01:31:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:31:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:31:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:31:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:31:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 01:31:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 01:31:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 01:31:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 01:31:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 01:31:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-22 01:31:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:31:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:31:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:31:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:31:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:31:04,835 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:31:04,836 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 01:31:04,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:31:04 BoogieIcfgContainer [2019-08-22 01:31:04,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:31:04,838 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:31:04,838 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:31:04,839 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:31:04,839 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:31:04" (1/1) ... [2019-08-22 01:31:04,858 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:31:04,862 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:31:04,877 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:31:04,893 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:31:04,895 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:31:05,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,077 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:31:05,104 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 [2019-08-22 01:31:05,105 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:31:05,435 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-08-22 01:31:05,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:31:05,455 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:31:05,456 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:31:05,457 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:31:05,458 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:31:05,459 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:31:05,465 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 [2019-08-22 01:31:05,466 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:31:05,756 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-08-22 01:31:05,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:31:05,758 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:31:05,758 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:193, output treesize:211 [2019-08-22 01:31:05,852 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 240