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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:13:14,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:13:14,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:13:14,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:13:14,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:13:14,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:13:14,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:13:14,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:13:14,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:13:14,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:13:14,040 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:13:14,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:13:14,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:13:14,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:13:14,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:13:14,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:13:14,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:13:14,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:13:14,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:13:14,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:13:14,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:13:14,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:13:14,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:13:14,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:13:14,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:13:14,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:13:14,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:13:14,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:13:14,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:13:14,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:13:14,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:13:14,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:13:14,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:13:14,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:13:14,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:13:14,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:13:14,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:13:14,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:13:14,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:13:14,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:13:14,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:13:14,073 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 06:13:14,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:13:14,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:13:14,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:13:14,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:13:14,105 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:13:14,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:13:14,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:13:14,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:13:14,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:13:14,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:13:14,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:13:14,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:13:14,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:13:14,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:13:14,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:13:14,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:13:14,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:13:14,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:13:14,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:13:14,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:13:14,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:13:14,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:13:14,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:13:14,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:13:14,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:13:14,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:13:14,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:13:14,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:13:14,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:13:14,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:13:14,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:13:14,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:13:14,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:13:14,178 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:13:14,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:13:14,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cdde4cc6/5587443051ae4757b44e67149971b388/FLAG92f87cec9 [2019-08-10 06:13:14,855 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:13:14,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:13:14,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cdde4cc6/5587443051ae4757b44e67149971b388/FLAG92f87cec9 [2019-08-10 06:13:15,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cdde4cc6/5587443051ae4757b44e67149971b388 [2019-08-10 06:13:15,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:13:15,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:13:15,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:13:15,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:13:15,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:13:15,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6999e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15, skipping insertion in model container [2019-08-10 06:13:15,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,148 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:13:15,213 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:13:15,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:13:15,722 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:13:15,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:13:15,893 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:13:15,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15 WrapperNode [2019-08-10 06:13:15,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:13:15,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:13:15,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:13:15,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:13:15,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (1/1) ... [2019-08-10 06:13:15,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:13:15,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:13:15,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:13:15,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:13:15,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:13:15" (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 06:13:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:13:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:13:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:13:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:13:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:13:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:13:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:13:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:13:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:13:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:13:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:13:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:13:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:13:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:13:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:13:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:13:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:13:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:13:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:13:17,238 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:13:17,239 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:13:17,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:13:17 BoogieIcfgContainer [2019-08-10 06:13:17,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:13:17,241 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:13:17,241 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:13:17,242 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:13:17,243 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:13:17" (1/1) ... [2019-08-10 06:13:17,666 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-10 06:13:17,888 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-10 06:13:20,776 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:13:20,788 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:13:20,790 INFO L168 Benchmark]: Toolchain (without parser) took 5661.29 ms. Allocated memory was 136.3 MB in the beginning and 376.4 MB in the end (delta: 240.1 MB). Free memory was 86.3 MB in the beginning and 163.9 MB in the end (delta: -77.6 MB). Peak memory consumption was 191.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:13:20,792 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 136.3 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 06:13:20,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.28 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 86.1 MB in the beginning and 171.2 MB in the end (delta: -85.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-08-10 06:13:20,794 INFO L168 Benchmark]: Boogie Preprocessor took 80.06 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:13:20,795 INFO L168 Benchmark]: RCFGBuilder took 1265.25 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 85.3 MB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:13:20,797 INFO L168 Benchmark]: Symbolic Interpretation took 3546.94 ms. Allocated memory was 202.4 MB in the beginning and 376.4 MB in the end (delta: 174.1 MB). Free memory was 84.6 MB in the beginning and 163.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. [2019-08-10 06:13:20,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 706]: 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 2964#(and (= main_~__tmp_5~0 main_~assert__arg~4) (= main_~__tmp_5~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~4) (not (<= 3 (mod ~r1~0 256))) (= main_~main__c1~0 ~__return_2011~0) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= ~__return_2011~0 main_~check__tmp~4) (= 0 (mod main_~assert__arg~4 256))). Possible FailurePath: - UnprovableResult [Line: 618]: 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 2926#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 (mod main_~assert__arg~3 256)) (not (<= 3 (mod ~r1~0 256))) (= main_~__tmp_4~0 main_~assert__arg~3) (not (< ~id3~0 main_~node3__m3~1)) (= ~id3~0 main_~node3__m3~1) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= 0 ~mode3~0) (= ~__return_1834~0 main_~check__tmp~3) (not (= ~nomsg~0 main_~node3__m3~1)) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st3~0 1) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~3) (= ~p3_new~0 ~nomsg~0) (= main_~main__c1~0 ~__return_1834~0)). Possible FailurePath: - UnprovableResult [Line: 915]: 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 3045#(and (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~__return_1900~0 main_~check__tmp~7) (= main_~__tmp_8~0 main_~assert__arg~7) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (exists ((v_prenex_248 Int) (v_~r1~0_147 Int) (v_prenex_249 Int) (v_prenex_251 Int) (v_prenex_252 Int) (v_prenex_250 Int)) (or (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (not (= (mod v_~r1~0_147 256) 255)) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= (+ (mod v_~r1~0_147 256) 1) ~r1~0) (= ~id3~0 main_~node3__m3~4) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= ~nomsg~0 main_~node3__m3~4)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~nomsg~0 main_~node2__m2~3) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~st2~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= (+ (mod v_prenex_250 256) 1) ~r1~0) (not (= (mod v_prenex_250 256) 255)) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~send2~0 main_~node2__m2~3) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (< ~id2~0 main_~node2__m2~3) (= ~id3~0 main_~node3__m3~4) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= ~nomsg~0 main_~node3__m3~4)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~st2~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (not (= (mod v_prenex_249 256) 255)) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~send2~0 main_~node2__m2~3) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= ~id3~0 main_~node3__m3~4) (< ~id2~0 main_~node2__m2~3) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= ~nomsg~0 main_~node3__m3~4)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= (+ (mod v_prenex_249 256) 1) ~r1~0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~st2~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= (+ (mod v_prenex_248 256) 1) ~r1~0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (not (= main_~node2__m2~3 ~id2~0)) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= ~id3~0 main_~node3__m3~4) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= ~nomsg~0 main_~node3__m3~4)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (not (= (mod v_prenex_248 256) 255)) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~st2~0 0)) (and (= |old(~p3_old~0)| 0) (= (+ (mod v_prenex_251 256) 1) ~r1~0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (not (= (mod v_prenex_251 256) 255)) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= ~id3~0 main_~node3__m3~4) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= ~nomsg~0 main_~node3__m3~4)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~nomsg~0 main_~node2__m2~3) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~st2~0 0)) (and (= |old(~p3_old~0)| 0) (= (+ (mod v_prenex_252 256) 1) ~r1~0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (not (= main_~node2__m2~3 ~id2~0)) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= ~id3~0 main_~node3__m3~4) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= ~nomsg~0 main_~node3__m3~4)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (not (= (mod v_prenex_252 256) 255)) (= |old(~p3_new~0)| 0) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~st2~0 0)))) (= 0 main_~check__tmp~7) (= main_~main__c1~0 ~__return_1900~0)). Possible FailurePath: - UnprovableResult [Line: 753]: 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 3018#(and (= main_~__tmp_6~0 main_~assert__arg~5) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2169~0) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~5) (= ~__return_2169~0 main_~check__tmp~5) (exists ((v_~r1~0_146 Int) (v_prenex_246 Int) (v_prenex_247 Int) (v_prenex_244 Int) (v_prenex_245 Int) (v_prenex_243 Int)) (or (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= main_~node2__m2~1 ~id2~0) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= ~p1~0 0) (= 0 ~mode1~0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= main_~node1__m1~1 ~nomsg~0) (= ~p2~0 0) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= 255 (mod v_prenex_246 256))) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= ~id3~0 main_~node3__m3~3) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (= ~st1~0 0) (= (+ (mod v_prenex_246 256) 1) ~r1~0) (not (< ~id3~0 main_~node3__m3~3)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (< ~id2~0 main_~node2__m2~1)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= main_~node2__m2~1 ~id2~0) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= (+ (mod v_~r1~0_146 256) 1) ~r1~0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (not (= main_~node1__m1~1 ~id1~0)) (= ~p2~0 0) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= ~id3~0 main_~node3__m3~3) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= ~st1~0 0) (not (< ~id3~0 main_~node3__m3~3)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (= 255 (mod v_~r1~0_146 256))) (not (< ~id2~0 main_~node2__m2~1)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (= ~send1~0 main_~node1__m1~1)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= main_~node2__m2~1 ~id2~0) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= main_~node1__m1~1 ~nomsg~0) (= ~p2~0 0) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (not (= 255 (mod v_prenex_247 256))) (= |old(~__return_2169~0)| 0) (= ~id3~0 main_~node3__m3~3) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (= ~st1~0 0) (not (< ~id3~0 main_~node3__m3~3)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (< ~id2~0 main_~node2__m2~1)) (= |old(~__return_1963~0)| 0) (= (+ (mod v_prenex_247 256) 1) ~r1~0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= main_~node2__m2~1 ~id2~0) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= ~p1~0 0) (= 0 ~mode1~0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= (+ (mod v_prenex_245 256) 1) ~r1~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (not (= 255 (mod v_prenex_245 256))) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= ~id3~0 main_~node3__m3~3) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (= ~st1~0 0) (not (< ~id3~0 main_~node3__m3~3)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (< ~id2~0 main_~node2__m2~1)) (= |old(~__return_1963~0)| 0) (< ~id1~0 main_~node1__m1~1) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~send1~0 main_~node1__m1~1) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= main_~node2__m2~1 ~id2~0) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= (+ (mod v_prenex_244 256) 1) ~r1~0) (= |old(~id3~0)| 0) (= ~p1~0 0) (= 0 ~mode1~0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= ~id3~0 main_~node3__m3~3) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (= ~st1~0 0) (not (< ~id3~0 main_~node3__m3~3)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (< ~id2~0 main_~node2__m2~1)) (= |old(~__return_1963~0)| 0) (not (= 255 (mod v_prenex_244 256))) (< ~id1~0 main_~node1__m1~1) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~send1~0 main_~node1__m1~1) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= main_~node2__m2~1 ~id2~0) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (not (= main_~node1__m1~1 ~id1~0)) (= ~p2~0 0) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= ~id3~0 main_~node3__m3~3) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= ~st1~0 0) (not (< ~id3~0 main_~node3__m3~3)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (not (< ~id2~0 main_~node2__m2~1)) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= (+ (mod v_prenex_243 256) 1) ~r1~0) (= ~__return_main~0 0) (= ~send1~0 main_~node1__m1~1) (not (= 255 (mod v_prenex_243 256)))))) (= (mod main_~assert__arg~5 256) 0)). Possible FailurePath: - UnprovableResult [Line: 989]: 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 2991#(and (= 0 (mod main_~assert__arg~8 256)) (= main_~__tmp_9~0 main_~assert__arg~8) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2089~0) (= 0 main_~check__tmp~8) (exists ((v_prenex_238 Int) (v_~r1~0_145 Int) (v_prenex_242 Int) (v_prenex_240 Int) (v_prenex_241 Int) (v_prenex_239 Int)) (or (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (< ~id3~0 main_~node3__m3~5) (= ~send3~0 main_~node3__m3~5) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (not (= 255 (mod v_prenex_241 256))) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= ~st3~0 0) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (not (= ~nomsg~0 main_~node3__m3~5)) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= ~r1~0 (+ (mod v_prenex_241 256) 1)) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (not (= 255 (mod v_prenex_240 256))) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (= ~id3~0 main_~node3__m3~5)) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id3~0 main_~node3__m3~5)) (= ~st3~0 0) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (not (= ~nomsg~0 main_~node3__m3~5)) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~r1~0 (+ (mod v_prenex_240 256) 1)) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~r1~0 (+ (mod v_prenex_242 256) 1)) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= ~st3~0 0) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= ~nomsg~0 main_~node3__m3~5) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0) (not (= 255 (mod v_prenex_242 256)))) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~r1~0 (+ (mod v_prenex_239 256) 1)) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (not (= 255 (mod v_prenex_239 256))) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (= ~id3~0 main_~node3__m3~5)) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id3~0 main_~node3__m3~5)) (= ~st3~0 0) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (not (= ~nomsg~0 main_~node3__m3~5)) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (= ~r1~0 (+ (mod v_prenex_238 256) 1)) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (< ~id3~0 main_~node3__m3~5) (= ~send3~0 main_~node3__m3~5) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (not (= 255 (mod v_prenex_238 256))) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= ~st3~0 0) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (not (= ~nomsg~0 main_~node3__m3~5)) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= ~r1~0 (+ (mod v_~r1~0_145 256) 1)) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (= ~st3~0 0) (= |old(~__return_1467~0)| 0) (not (= 255 (mod v_~r1~0_145 256))) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= ~nomsg~0 main_~node3__m3~5) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)))) (= main_~__tmp_9~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_2089~0 main_~check__tmp~8)). Possible FailurePath: - UnprovableResult [Line: 868]: 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 2888#(and (= ~__return_1751~0 main_~check__tmp~6) (= (mod main_~assert__arg~6 256) 0) (= main_~__tmp_7~0 main_~assert__arg~6) (= main_~main__c1~0 ~__return_1751~0) (not (<= 3 (mod ~r1~0 256))) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= 0 main_~check__tmp~6) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: - UnprovableResult [Line: 376]: 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 2850#(and (= 0 (mod main_~assert__arg~2 256)) (or (and (= main_~main__c1~0 ~__return_2235~0) (exists ((v_prenex_186 Int) (v_~r1~0_141 Int)) (or (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (not (= 255 (mod v_~r1~0_141 256))) (= main_~check__tmp~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= ~r1~0 (+ (mod v_~r1~0_141 256) 1)) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= ~id3~0 main_~node3__m3~5) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id3~0 main_~node3__m3~5)) (= |old(~__return_1467~0)| 0) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (not (= ~nomsg~0 main_~node3__m3~5)) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)) (and (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__return_2202~0)| 0) (= ~p3~0 0) (= |old(~r1~0)| 0) (= |old(~__return_1690~0)| 0) (= |old(~__return_2011~0)| 0) (= |old(~st1~0)| 0) (= |old(~__return_2136~0)| 0) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= main_~main__i2~0 0) (= |old(~__return_1834~0)| 0) (= ~st1~0 1) (= |old(~p2_old~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1394~0)| 0) (= |old(~id3~0)| 0) (= 0 ~mode1~0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= |old(~__return_2044~0)| 0) (= ~st3~0 1) (= ~p2~0 0) (= 0 ~mode2~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= |old(~id2~0)| 0) (not (= 255 (mod v_prenex_186 256))) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= |old(~mode2~0)| 0) (= |old(~__return_1532~0)| 0) (= ~id3~0 main_~node3__m3~5) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (= main_~node1__m1~1 ~nomsg~0)) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~p1_old~0)| 0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= |old(~__return_2169~0)| 0) (= |old(~__return_1900~0)| 0) (= |old(~__return_1599~0)| 0) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id3~0 main_~node3__m3~5)) (= |old(~__return_1467~0)| 0) (= ~r1~0 (+ (mod v_prenex_186 256) 1)) (= |old(~__return_1867~0)| 0) (= |old(~__return_1963~0)| 0) (= |old(~__return_1751~0)| 0) (not (= ~nomsg~0 main_~node3__m3~5)) (= |old(~__return_1798~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_2089~0)| 0) (= |old(~p3_new~0)| 0) (= ~st2~0 1) (= |old(~send2~0)| 0) (= |old(~__return_2235~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= ~__return_main~0 0)))) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~__return_2235~0 main_~check__tmp~9) (= 0 main_~check__tmp~9)) (and (= ~__return_1599~0 main_~check__tmp~2) (= main_~main__c1~0 ~__return_1599~0))) (= main_~__tmp_3~0 main_~assert__arg~2) (= main_~__tmp_3~0 (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 0.61 ms. Allocated memory is still 136.3 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.28 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 86.1 MB in the beginning and 171.2 MB in the end (delta: -85.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.06 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1265.25 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 85.3 MB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3546.94 ms. Allocated memory was 202.4 MB in the beginning and 376.4 MB in the end (delta: 174.1 MB). Free memory was 84.6 MB in the beginning and 163.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...