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.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:25:40,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:25:40,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:25:40,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:25:40,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:25:40,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:25:40,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:25:40,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:25:40,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:25:40,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:25:40,470 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:25:40,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:25:40,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:25:40,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:25:40,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:25:40,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:25:40,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:25:40,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:25:40,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:25:40,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:25:40,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:25:40,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:25:40,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:25:40,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:25:40,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-15 00:25:40,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-15 00:25:40,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-15 00:25:40,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-15 00:25:40,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-15 00:25:40,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-15 00:25:40,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:25:40,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:25:40,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:25:40,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:25:40,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:25:40,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:25:40,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:25:40,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:25:40,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:25:40,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:25:40,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:25:40,515 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 [2019-08-15 00:25:40,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:25:40,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:25:40,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:25:40,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:25:40,538 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:25:40,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:25:40,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:25:40,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:25:40,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:25:40,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:25:40,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:25:40,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:25:40,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:25:40,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:25:40,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:25:40,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:25:40,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:25:40,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:25:40,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:25:40,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:25:40,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:25:40,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:25:40,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:25:40,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:25:40,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:25:40,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:25:40,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:25:40,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:25:40,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:25:40,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:25:40,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:25:40,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:25:40,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:25:40,608 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:25:40,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-08-15 00:25:40,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec7c219c/ee0c5cd62a5c4866bc64b7d3466fe0b9/FLAG0c1541cca [2019-08-15 00:25:41,559 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:25:41,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-08-15 00:25:41,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec7c219c/ee0c5cd62a5c4866bc64b7d3466fe0b9/FLAG0c1541cca [2019-08-15 00:25:41,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec7c219c/ee0c5cd62a5c4866bc64b7d3466fe0b9 [2019-08-15 00:25:41,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:25:41,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:25:41,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:25:41,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:25:42,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:25:42,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:25:41" (1/1) ... [2019-08-15 00:25:42,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173a0256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:42, skipping insertion in model container [2019-08-15 00:25:42,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:25:41" (1/1) ... [2019-08-15 00:25:42,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:25:42,338 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:25:44,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:25:44,534 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:25:45,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:25:45,570 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:25:45,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45 WrapperNode [2019-08-15 00:25:45,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:25:45,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:25:45,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:25:45,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:25:45,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:45,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:45,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:45,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:45,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:45,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:45,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (1/1) ... [2019-08-15 00:25:46,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:25:46,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:25:46,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:25:46,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:25:46,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:25:45" (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 [2019-08-15 00:25:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:25:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:25:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:25:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:25:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:25:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:25:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:25:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:25:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:25:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:25:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:25:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:25:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:25:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-15 00:25:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:25:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:25:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:25:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:25:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:25:56,447 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:25:56,448 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:25:56,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:25:56 BoogieIcfgContainer [2019-08-15 00:25:56,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:25:56,452 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:25:56,452 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:25:56,452 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:25:56,453 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:25:56" (1/1) ... [2019-08-15 00:26:06,509 WARN L188 SmtUtils]: Spent 9.72 s on a formula simplification that was a NOOP. DAG size: 942 [2019-08-15 00:26:16,162 WARN L188 SmtUtils]: Spent 9.55 s on a formula simplification that was a NOOP. DAG size: 944