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_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 05:17:13,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 05:17:13,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 05:17:13,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 05:17:13,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 05:17:13,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 05:17:13,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 05:17:13,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 05:17:13,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 05:17:13,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 05:17:13,473 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 05:17:13,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 05:17:13,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 05:17:13,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 05:17:13,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 05:17:13,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 05:17:13,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 05:17:13,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 05:17:13,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 05:17:13,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 05:17:13,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 05:17:13,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 05:17:13,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 05:17:13,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 05:17:13,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 05:17:13,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 05:17:13,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 05:17:13,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 05:17:13,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 05:17:13,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 05:17:13,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 05:17:13,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 05:17:13,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 05:17:13,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 05:17:13,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 05:17:13,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 05:17:13,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 05:17:13,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 05:17:13,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 05:17:13,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 05:17:13,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 05:17:13,514 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 05:17:13,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 05:17:13,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 05:17:13,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 05:17:13,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 05:17:13,542 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 05:17:13,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 05:17:13,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 05:17:13,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 05:17:13,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 05:17:13,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 05:17:13,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 05:17:13,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 05:17:13,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 05:17:13,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 05:17:13,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 05:17:13,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 05:17:13,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 05:17:13,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 05:17:13,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 05:17:13,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 05:17:13,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 05:17:13,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 05:17:13,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 05:17:13,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 05:17:13,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 05:17:13,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 05:17:13,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 05:17:13,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 05:17:13,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 05:17:13,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 05:17:13,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 05:17:13,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 05:17:13,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 05:17:13,597 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 05:17:13,597 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-10 05:17:13,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6873ad60a/4fb03eb6eabe45f3971782e0a3062ca8/FLAGee16bbb9d [2019-08-10 05:17:14,177 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 05:17:14,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-10 05:17:14,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6873ad60a/4fb03eb6eabe45f3971782e0a3062ca8/FLAGee16bbb9d [2019-08-10 05:17:14,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6873ad60a/4fb03eb6eabe45f3971782e0a3062ca8 [2019-08-10 05:17:14,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 05:17:14,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 05:17:14,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 05:17:14,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 05:17:14,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 05:17:14,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:17:14" (1/1) ... [2019-08-10 05:17:14,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb38baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:14, skipping insertion in model container [2019-08-10 05:17:14,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:17:14" (1/1) ... [2019-08-10 05:17:14,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 05:17:14,578 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 05:17:14,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:17:15,071 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 05:17:15,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:17:15,215 INFO L192 MainTranslator]: Completed translation [2019-08-10 05:17:15,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15 WrapperNode [2019-08-10 05:17:15,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 05:17:15,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 05:17:15,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 05:17:15,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 05:17:15,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (1/1) ... [2019-08-10 05:17:15,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 05:17:15,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 05:17:15,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 05:17:15,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 05:17:15,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:17:15" (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 05:17:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 05:17:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 05:17:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 05:17:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 05:17:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 05:17:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 05:17:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 05:17:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 05:17:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 05:17:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 05:17:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 05:17:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 05:17:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 05:17:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 05:17:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 05:17:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 05:17:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 05:17:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 05:17:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 05:17:16,748 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 05:17:16,748 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 05:17:16,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:17:16 BoogieIcfgContainer [2019-08-10 05:17:16,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 05:17:16,752 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 05:17:16,752 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 05:17:16,753 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 05:17:16,754 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:17:16" (1/1) ... [2019-08-10 05:17:17,143 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-08-10 05:17:17,405 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-08-10 05:18:19,153 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 05:18:19,160 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 05:18:19,162 INFO L168 Benchmark]: Toolchain (without parser) took 64665.78 ms. Allocated memory was 140.5 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 86.6 MB in the beginning and 988.2 MB in the end (delta: -901.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-10 05:18:19,163 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-10 05:18:19,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.05 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 86.3 MB in the beginning and 171.8 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-08-10 05:18:19,165 INFO L168 Benchmark]: Boogie Preprocessor took 69.05 ms. Allocated memory is still 201.3 MB. Free memory was 171.8 MB in the beginning and 167.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-10 05:18:19,166 INFO L168 Benchmark]: RCFGBuilder took 1466.15 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 81.4 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-08-10 05:18:19,167 INFO L168 Benchmark]: Symbolic Interpretation took 62407.78 ms. Allocated memory was 201.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 81.4 MB in the beginning and 988.2 MB in the end (delta: -906.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-10 05:18:19,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 536]: 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 604850#(and (or (and (= main_~main__c1~0 ~__return_1499~0) (= ~__return_1499~0 main_~check__tmp~2)) (and (= ~__return_1389~0 main_~check__tmp~1) (= main_~main__c1~0 ~__return_1389~0) (or (and (= ~nomsg~0 ~p13_new~0) (<= (+ ~st3~0 ~nl3~0) 1) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (not (= (mod ~r3~0 256) 2)) (= 0 ~mode3~0) (<= (+ ~st1~0 ~nl1~0) 1) (<= (+ ~nl2~0 ~st2~0) 1) (= ~nomsg~0 ~p21_new~0) (not (<= 2 (mod ~r1~0 256))) (= 0 main_~check__tmp~1) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)) (and (= ~nomsg~0 ~p13_new~0) (not (= 0 (+ ~nl2~0 ~nl3~0 ~nl1~0))) (<= (+ ~st3~0 ~nl3~0) 1) (< (mod ~r1~0 256) 2) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (not (= (mod ~r3~0 256) 2)) (= 0 ~mode3~0) (<= (+ ~st1~0 ~nl1~0) 1) (<= (+ ~nl2~0 ~st2~0) 1) (= ~nomsg~0 ~p21_new~0) (not (<= 2 (mod ~r1~0 256))) (= 0 main_~check__tmp~1) (= (+ ~st3~0 ~st1~0 ~st2~0) 0) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0))))) (= main_~__tmp_2~0 main_~assert__arg~1) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.05 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 86.3 MB in the beginning and 171.8 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.05 ms. Allocated memory is still 201.3 MB. Free memory was 171.8 MB in the beginning and 167.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.15 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 81.4 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 62407.78 ms. Allocated memory was 201.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 81.4 MB in the beginning and 988.2 MB in the end (delta: -906.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...