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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 11:42:50,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 11:42:50,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 11:42:50,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 11:42:50,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 11:42:50,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 11:42:50,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 11:42:50,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 11:42:50,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 11:42:50,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 11:42:50,614 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 11:42:50,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 11:42:50,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 11:42:50,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 11:42:50,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 11:42:50,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 11:42:50,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 11:42:50,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 11:42:50,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 11:42:50,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 11:42:50,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 11:42:50,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 11:42:50,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 11:42:50,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 11:42:50,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 11:42:50,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 11:42:50,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 11:42:50,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 11:42:50,643 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 [2019-08-18 11:42:50,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 11:42:50,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 11:42:50,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 11:42:50,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 11:42:50,666 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 11:42:50,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 11:42:50,667 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 11:42:50,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 11:42:50,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 11:42:50,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 11:42:50,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 11:42:50,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 11:42:50,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 11:42:50,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 11:42:50,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 11:42:50,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 11:42:50,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 11:42:50,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 11:42:50,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 11:42:50,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 11:42:50,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 11:42:50,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 11:42:50,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 11:42:50,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 11:42:50,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 11:42:50,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 11:42:50,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 11:42:50,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 11:42:50,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 11:42:50,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 11:42:50,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 11:42:50,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 11:42:50,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 11:42:50,723 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 11:42:50,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-18 11:42:50,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98410b875/1f35273b984541a59290eedcd3fb8af0/FLAGee7eb7206 [2019-08-18 11:42:51,636 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 11:42:51,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-18 11:42:51,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98410b875/1f35273b984541a59290eedcd3fb8af0/FLAGee7eb7206 [2019-08-18 11:42:52,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98410b875/1f35273b984541a59290eedcd3fb8af0 [2019-08-18 11:42:52,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 11:42:52,135 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 11:42:52,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 11:42:52,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 11:42:52,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 11:42:52,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:42:52" (1/1) ... [2019-08-18 11:42:52,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49375b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:52, skipping insertion in model container [2019-08-18 11:42:52,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:42:52" (1/1) ... [2019-08-18 11:42:52,152 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 11:42:52,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 11:42:54,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:42:54,618 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 11:42:55,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:42:55,825 INFO L192 MainTranslator]: Completed translation [2019-08-18 11:42:55,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55 WrapperNode [2019-08-18 11:42:55,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 11:42:55,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 11:42:55,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 11:42:55,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 11:42:55,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:55,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:55,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:55,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:56,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:56,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:56,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (1/1) ... [2019-08-18 11:42:56,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 11:42:56,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 11:42:56,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 11:42:56,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 11:42:56,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:42:55" (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 [2019-08-18 11:42:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 11:42:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 11:42:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 11:42:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 11:42:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 11:42:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 11:42:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 11:42:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 11:42:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 11:42:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 11:42:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 11:42:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 11:42:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 11:42:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 11:42:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 11:42:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 11:42:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 11:42:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-18 11:42:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 11:42:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 11:42:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 11:42:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 11:42:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 11:43:03,770 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 11:43:03,771 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 11:43:03,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:43:03 BoogieIcfgContainer [2019-08-18 11:43:03,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 11:43:03,775 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 11:43:03,776 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 11:43:03,776 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 11:43:03,777 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:43:03" (1/1) ... [2019-08-18 11:43:03,796 INFO L148 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-08-18 11:43:03,801 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 11:43:03,843 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 11:43:03,853 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 11:43:03,855 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 11:43:04,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:43:04,130 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 42 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-08-18 11:43:04,131 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 11:43:07,858 WARN L188 SmtUtils]: Spent 3.72 s on a formula simplification that was a NOOP. DAG size: 540 [2019-08-18 11:43:07,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:43:07,923 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:43:07,925 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:43:07,927 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:43:07,929 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:43:07,931 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:43:07,933 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:43:07,938 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-08-18 11:43:07,939 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 11:43:11,356 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification that was a NOOP. DAG size: 545 [2019-08-18 11:43:11,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:43:11,364 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 11:43:11,365 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:787, output treesize:809 [2019-08-18 11:43:11,540 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1019