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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:14:11,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:14:11,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:14:11,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:14:11,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:14:11,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:14:11,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:14:11,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:14:11,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:14:11,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:14:11,513 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:14:11,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:14:11,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:14:11,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:14:11,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:14:11,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:14:11,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:14:11,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:14:11,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:14:11,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:14:11,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:14:11,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:14:11,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:14:11,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:14:11,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:14:11,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:14:11,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:14:11,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:14:11,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:14:11,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:14:11,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:14:11,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:14:11,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:14:11,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:14:11,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:14:11,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:14:11,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:14:11,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:14:11,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:14:11,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:14:11,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:14:11,542 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 [2019-08-10 06:14:11,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:14:11,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:14:11,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:14:11,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:14:11,560 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:14:11,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:14:11,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:14:11,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:14:11,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:14:11,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:14:11,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:14:11,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:14:11,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:14:11,562 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:14:11,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:14:11,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:14:11,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:14:11,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:14:11,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:14:11,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:14:11,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:14:11,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:14:11,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:14:11,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:14:11,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:14:11,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:14:11,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:14:11,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:14:11,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:14:11,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:14:11,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:14:11,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:14:11,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:14:11,626 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:14:11,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 06:14:11,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a601334/b3330751401b4c8db639c970170dc8c7/FLAGdde031ef9 [2019-08-10 06:14:12,263 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:14:12,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 06:14:12,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a601334/b3330751401b4c8db639c970170dc8c7/FLAGdde031ef9 [2019-08-10 06:14:12,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a601334/b3330751401b4c8db639c970170dc8c7 [2019-08-10 06:14:12,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:14:12,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:14:12,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:14:12,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:14:12,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:14:12,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:14:12" (1/1) ... [2019-08-10 06:14:12,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e680a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:12, skipping insertion in model container [2019-08-10 06:14:12,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:14:12" (1/1) ... [2019-08-10 06:14:12,563 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:14:12,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:14:13,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:14:13,263 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:14:13,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:14:13,469 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:14:13,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13 WrapperNode [2019-08-10 06:14:13,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:14:13,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:14:13,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:14:13,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:14:13,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (1/1) ... [2019-08-10 06:14:13,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:14:13,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:14:13,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:14:13,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:14:13,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:13" (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 [2019-08-10 06:14:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:14:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:14:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:14:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:14:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:14:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:14:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:14:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:14:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:14:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:14:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:14:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:14:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:14:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:14:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:14:15,217 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:14:15,218 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:14:15,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:14:15 BoogieIcfgContainer [2019-08-10 06:14:15,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:14:15,220 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:14:15,221 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:14:15,221 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:14:15,222 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:14:15" (1/1) ... [2019-08-10 06:14:15,548 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-10 06:14:15,750 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-10 06:14:18,256 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:14:18,266 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:14:18,269 INFO L168 Benchmark]: Toolchain (without parser) took 5723.71 ms. Allocated memory was 140.5 MB in the beginning and 331.4 MB in the end (delta: 190.8 MB). Free memory was 88.5 MB in the beginning and 161.5 MB in the end (delta: -73.0 MB). Peak memory consumption was 199.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:18,271 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-10 06:14:18,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.06 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 88.1 MB in the beginning and 169.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:18,275 INFO L168 Benchmark]: Boogie Preprocessor took 100.42 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 165.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:18,276 INFO L168 Benchmark]: RCFGBuilder took 1648.44 ms. Allocated memory was 202.9 MB in the beginning and 228.6 MB in the end (delta: 25.7 MB). Free memory was 165.7 MB in the beginning and 181.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:18,277 INFO L168 Benchmark]: Symbolic Interpretation took 3046.15 ms. Allocated memory was 228.6 MB in the beginning and 331.4 MB in the end (delta: 102.8 MB). Free memory was 181.1 MB in the beginning and 161.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 204.4 MB. Max. memory is 7.1 GB. [2019-08-10 06:14:18,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 525]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 6575#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= 0 (mod main_~assert__arg~3 256)) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_4~0 main_~assert__arg~3) (= ~id3~0 main_~node3__m3~2) (= main_~main__c1~0 ~__return_1032~0) (= 0 ~mode3~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st3~0 1) (= ~__return_1032~0 main_~check__tmp~3) (not (= ~nomsg~0 main_~node3__m3~2)) (not (< ~id3~0 main_~node3__m3~2)) (= 0 main_~check__tmp~3) (= ~p3_new~0 ~nomsg~0) (or (and (= ~st2~0 1) (or (and (or (and (not (= main_~node1__m1~1 ~id1~0)) (not (< ~id1~0 main_~node1__m1~1)) (not (= main_~node1__m1~1 ~nomsg~0))) (and (< ~id1~0 main_~node1__m1~1) (= ~send1~0 main_~node1__m1~1) (not (= main_~node1__m1~1 ~nomsg~0)))) (= 0 ~mode1~0) (not (< ~id2~0 main_~node2__m2~2)) (not (= ~nomsg~0 main_~node2__m2~2))) (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~nomsg~0) (not (< ~id2~0 main_~node2__m2~2)) (not (= ~nomsg~0 main_~node2__m2~2)))) (= main_~node2__m2~2 ~id2~0) (= 0 ~mode2~0)) (and (= 0 ~mode1~0) (= ~st2~0 1) (= main_~node1__m1~2 ~nomsg~0) (not (< ~id2~0 main_~node2__m2~2)) (= main_~node2__m2~2 ~id2~0) (not (= ~nomsg~0 main_~node2__m2~2)) (= 0 ~mode2~0)))). Possible FailurePath: - UnprovableResult [Line: 755]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 4202#(and (= main_~__tmp_6~0 main_~assert__arg~5) (= main_~main__c1~0 ~__return_939~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~5) (= ~__return_939~0 main_~check__tmp~5) (or (= ~mode3~0 0) (and (= ~mode3~0 0) (= ~st2~0 1) (= ~mode2~0 0) (= ~mode1~0 0) (= ~st1~0 1))) (= (mod main_~assert__arg~5 256) 0)). Possible FailurePath: - UnprovableResult [Line: 968]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 6598#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (and (= ~mode3~0 0) (= ~st2~0 1) (= ~mode2~0 0)) (= ~mode3~0 0)) (= main_~__tmp_8~0 main_~assert__arg~7) (not (<= 3 (mod ~r1~0 256))) (= main_~main__c1~0 ~__return_846~0) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= 0 main_~check__tmp~7) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_846~0 main_~check__tmp~7) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1649]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 3693#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~__return_592~0 main_~check__tmp~13) (not (<= 3 (mod ~r1~0 256))) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= main_~main__c1~0 ~__return_592~0) (= (mod main_~assert__arg~13 256) 0) (= 0 main_~check__tmp~13) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_14~0) (= ~p3_new~0 ~nomsg~0) (= main_~assert__arg~13 main_~__tmp_14~0) (or (= ~mode3~0 0) (and (not (= main_~node2__m2~1 ~id2~0)) (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (not (< ~id2~0 main_~node2__m2~1)) (not (< ~id1~0 main_~node1__m1~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (= ~nomsg~0 main_~node3__m3~7) (= 0 ~mode2~0) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= ~st1~0 1)))). Possible FailurePath: - UnprovableResult [Line: 1210]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 3073#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (= main_~main__c1~0 ~__return_764~0) (= 0 ~mode3~0) (= (mod main_~assert__arg~9 256) 0) (not (< ~id3~0 main_~node3__m3~7)) (= 0 main_~check__tmp~9) (= ~__return_764~0 main_~check__tmp~9) (= ~id3~0 main_~node3__m3~7) (= ~st3~0 1) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1424]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 5097#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= 0 (mod main_~assert__arg~11 256)) (= 0 main_~check__tmp~11) (= main_~main__c1~0 ~__return_671~0) (not (<= 3 (mod ~r1~0 256))) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (not (= ~nomsg~0 main_~node3__m3~8)) (= ~id3~0 main_~node3__m3~8) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~8)) (= ~__return_671~0 main_~check__tmp~11) (= main_~assert__arg~11 main_~__tmp_12~0) (= ~st3~0 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 301]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 6561#(or (and (= main_~__tmp_2~0 main_~assert__arg~1) (= main_~main__c1~0 ~__return_1291~0) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~check__tmp~16 ~__return_1291~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id3~0 main_~node3__m3~1)) (= ~id3~0 main_~node3__m3~1) (= main_~__tmp_2~0 main_~assert__arg~1) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= main_~main__c1~0 ~__return_1142~0) (= main_~node1__m1~1 ~id1~0) (= 0 main_~check__tmp~1) (not (< ~id1~0 main_~node1__m1~1)) (= ~__return_1142~0 main_~check__tmp~1) (= ~p3_new~0 ~nomsg~0) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st1~0 1) (= main_~node2__m2~1 ~id2~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (not (< ~id2~0 main_~node2__m2~1)) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~1)) (= ~st2~0 1) (= ~st3~0 1) (not (= ~nomsg~0 main_~node2__m2~1)) (= 0 ~mode2~0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 924.06 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 88.1 MB in the beginning and 169.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.42 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 165.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1648.44 ms. Allocated memory was 202.9 MB in the beginning and 228.6 MB in the end (delta: 25.7 MB). Free memory was 165.7 MB in the beginning and 181.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3046.15 ms. Allocated memory was 228.6 MB in the beginning and 331.4 MB in the end (delta: 102.8 MB). Free memory was 181.1 MB in the beginning and 161.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 204.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...