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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:14:20,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:14:20,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:14:20,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:14:20,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:14:20,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:14:20,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:14:20,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:14:20,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:14:20,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:14:20,774 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:14:20,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:14:20,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:14:20,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:14:20,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:14:20,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:14:20,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:14:20,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:14:20,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:14:20,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:14:20,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:14:20,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:14:20,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:14:20,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:14:20,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:14:20,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:14:20,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:14:20,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:14:20,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:14:20,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:14:20,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:14:20,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:14:20,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:14:20,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:14:20,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:14:20,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:14:20,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:14:20,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:14:20,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:14:20,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:14:20,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:14:20,798 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 06:14:20,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:14:20,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:14:20,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:14:20,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:14:20,815 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:14:20,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:14:20,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:14:20,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:14:20,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:14:20,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:14:20,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:14:20,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:14:20,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:14:20,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:14:20,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:14:20,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:14:20,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:14:20,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:14:20,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:14:20,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:14:20,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:14:20,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:14:20,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:14:20,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:14:20,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:14:20,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:14:20,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:14:20,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:14:20,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:14:20,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:14:20,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:14:20,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:14:20,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:14:20,866 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:14:20,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-08-10 06:14:20,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4888ac509/c10ca792df7642e3bcb533e1697c0d71/FLAG10090eaa1 [2019-08-10 06:14:21,630 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:14:21,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-08-10 06:14:21,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4888ac509/c10ca792df7642e3bcb533e1697c0d71/FLAG10090eaa1 [2019-08-10 06:14:21,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4888ac509/c10ca792df7642e3bcb533e1697c0d71 [2019-08-10 06:14:21,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:14:21,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:14:21,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:14:21,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:14:21,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:14:21,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:14:21" (1/1) ... [2019-08-10 06:14:21,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bfad4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:21, skipping insertion in model container [2019-08-10 06:14:21,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:14:21" (1/1) ... [2019-08-10 06:14:21,808 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:14:21,919 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:14:22,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:14:22,680 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:14:23,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:14:23,184 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:14:23,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23 WrapperNode [2019-08-10 06:14:23,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:14:23,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:14:23,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:14:23,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:14:23,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (1/1) ... [2019-08-10 06:14:23,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:14:23,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:14:23,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:14:23,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:14:23,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:23" (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 06:14:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:14:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:14:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:14:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:14:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:14:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:14:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:14:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:14:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:14:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:14:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:14:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:14:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:14:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:14:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:14:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:14:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:14:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:14:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:14:25,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:14:25,485 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:14:25,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:14:25 BoogieIcfgContainer [2019-08-10 06:14:25,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:14:25,488 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:14:25,488 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:14:25,488 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:14:25,489 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:14:25" (1/1) ... [2019-08-10 06:14:26,401 WARN L188 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2019-08-10 06:14:27,069 WARN L188 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2019-08-10 06:22:46,743 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:22:46,751 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:22:46,753 INFO L168 Benchmark]: Toolchain (without parser) took 504967.13 ms. Allocated memory was 137.9 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 81.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. [2019-08-10 06:22:46,753 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 06:22:46,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1396.06 ms. Allocated memory was 137.9 MB in the beginning and 215.0 MB in the end (delta: 77.1 MB). Free memory was 80.5 MB in the beginning and 164.2 MB in the end (delta: -83.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-08-10 06:22:46,755 INFO L168 Benchmark]: Boogie Preprocessor took 180.16 ms. Allocated memory is still 215.0 MB. Free memory was 164.2 MB in the beginning and 156.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-10 06:22:46,756 INFO L168 Benchmark]: RCFGBuilder took 2121.14 ms. Allocated memory was 215.0 MB in the beginning and 274.7 MB in the end (delta: 59.8 MB). Free memory was 156.8 MB in the beginning and 102.6 MB in the end (delta: 54.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:22:46,758 INFO L168 Benchmark]: Symbolic Interpretation took 501263.49 ms. Allocated memory was 274.7 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 102.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2019-08-10 06:22:46,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3641]: 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 3893639#(and (= 0 main_~check__tmp~25) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (< ~id4~0 main_~node4__m4~19)) (= ~nomsg~0 ~p4_new~0) (not (= ~nomsg~0 main_~node4__m4~19)) (= (mod main_~assert__arg~21 256) 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_22~0) (= main_~main__c1~0 ~__return_1296~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~node4__m4~19 ~id4~0) (= ~st4~0 1) (= main_~check__tmp~25 ~__return_1296~0) (= main_~assert__arg~21 main_~__tmp_22~0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 3366]: 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 3402017#(and (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= 0 (mod main_~assert__arg~19 256)) (= main_~check__tmp~23 ~__return_1394~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_20~0) (= main_~assert__arg~19 main_~__tmp_20~0) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (exists ((v_~r1~0_6676 Int) (v_prenex_59548 Int)) (or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (= 0 (mod main_~assert__arg~18 256))) (= ~__tmp_1323_0~0 ~__tmp_1335_0~0) (not (< ~id3~0 main_~node3__m3~14)) (not (= ~nomsg~0 main_~node3__m3~14)) (= main_~main__i2~0 (+ ~__tmp_1323_0~0 1)) (= main_~main____CPAchecker_TMP_0~11 ~__tmp_1376_0~0) (< main_~main__i2~0 8) (= main_~node1__m1~12 ~nomsg~0) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node2__m2~13) (= ~id3~0 main_~node3__m3~14) (= 0 ~mode1~0) (not (<= (mod (+ v_~r1~0_6676 1) 256) 127)) (= ~st3~0 1) (= ~__tmp_1335_0~0 ~__tmp_1376_0~0) (= ~nomsg~0 main_~node4__m4~17) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= 0 ~mode2~0) (= (+ (mod (+ v_~r1~0_6676 1) 256) (- 256)) ~r1~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (= 0 (mod main_~assert__arg~18 256))) (= ~__tmp_1323_0~0 ~__tmp_1335_0~0) (not (< ~id3~0 main_~node3__m3~14)) (not (= ~nomsg~0 main_~node3__m3~14)) (= main_~main__i2~0 (+ ~__tmp_1323_0~0 1)) (<= (mod (+ v_prenex_59548 1) 256) 127) (= main_~main____CPAchecker_TMP_0~11 ~__tmp_1376_0~0) (= ~r1~0 (mod (+ v_prenex_59548 1) 256)) (< main_~main__i2~0 8) (= main_~node1__m1~12 ~nomsg~0) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node2__m2~13) (= ~id3~0 main_~node3__m3~14) (= 0 ~mode1~0) (= ~st3~0 1) (= ~__tmp_1335_0~0 ~__tmp_1376_0~0) (= ~nomsg~0 main_~node4__m4~17) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0))))) (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (exists ((v_~r1~0_6070 Int) (v_prenex_56461 Int)) (or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~__tmp_1323_0~0 ~__tmp_1335_0~0) (not (< ~id3~0 main_~node3__m3~14)) (not (= ~nomsg~0 main_~node3__m3~14)) (= main_~main____CPAchecker_TMP_0~11 ~__tmp_1376_0~0) (= main_~node1__m1~11 ~nomsg~0) (< main_~main__i2~0 8) (= (+ (mod (+ v_prenex_56461 1) 256) (- 256)) ~r1~0) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node2__m2~13) (= ~id3~0 main_~node3__m3~14) (= 0 ~mode1~0) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~10 1)) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1323_0~0) (not (<= (mod (+ v_prenex_56461 1) 256) 127)) (= ~__tmp_1335_0~0 ~__tmp_1376_0~0) (= ~nomsg~0 main_~node4__m4~17) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~16 256)))) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~id3~0 main_~node3__m3~14) (not (< ~id3~0 main_~node3__m3~14)) (not (= ~nomsg~0 main_~node3__m3~14)) (= main_~main____CPAchecker_TMP_0~11 ~__tmp_1376_0~0) (= ~st3~0 1) (= ~nomsg~0 ~p4_new~0) (= ~nomsg~0 main_~node4__m4~17) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= 0 ~mode3~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~main____CPAchecker_TMP_0~11 ~__tmp_1376_0~0) (= ~nomsg~0 ~p4_new~0) (= main_~main____CPAchecker_TMP_0~9 ~__tmp_1376_0~0) (= ~p3_new~0 ~nomsg~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~__tmp_1323_0~0 ~__tmp_1335_0~0) (not (< ~id3~0 main_~node3__m3~14)) (not (= ~nomsg~0 main_~node3__m3~14)) (= main_~main____CPAchecker_TMP_0~11 ~__tmp_1376_0~0) (= main_~node1__m1~11 ~nomsg~0) (< main_~main__i2~0 8) (= ~nomsg~0 ~p4_new~0) (<= (mod (+ v_~r1~0_6070 1) 256) 127) (= ~r1~0 (mod (+ v_~r1~0_6070 1) 256)) (= 0 ~mode3~0) (= ~nomsg~0 main_~node2__m2~13) (= ~id3~0 main_~node3__m3~14) (= 0 ~mode1~0) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~10 1)) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1323_0~0) (= ~p3_new~0 ~nomsg~0) (= ~__tmp_1335_0~0 ~__tmp_1376_0~0) (= ~nomsg~0 main_~node4__m4~17) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~16 256)))))))) (= main_~main__c1~0 ~__return_1394~0) (= 0 main_~check__tmp~23)). Possible FailurePath: - UnprovableResult [Line: 3897]: 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 3402046#(and (not (<= 4 ~r1~0)) (exists ((v_~r1~0_6834 Int) (v_prenex_60245 Int)) (or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~__tmp_1130_0~0 ~__tmp_1142_0~0) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (= ~__tmp_1118_0~0 ~__tmp_1130_0~0) (= ~st4~0 1) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~14) (= ~nomsg~0 main_~node2__m2~15) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 main_~node3__m3~17) (= 0 ~mode4~0) (= 0 ~mode2~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 main_~node2__m2~11) (= ~__tmp_1537_0~0 main_~main____CPAchecker_TMP_0~9) (< main_~main__i2~0 8) (= main_~main__i2~0 (+ ~__tmp_1525_0~0 1)) (= ~__tmp_1525_0~0 ~__tmp_1537_0~0) (= ~nomsg~0 ~p4_new~0) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~9) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (not (= (mod main_~assert__arg~14 256) 0)) (= ~st4~0 1) (<= (mod (+ v_~r1~0_6834 1) 256) 127) (= 0 ~mode1~0) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~14) (= (mod (+ v_~r1~0_6834 1) 256) ~r1~0) (= ~nomsg~0 main_~node3__m3~12) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (= main_~node1__m1~10 ~nomsg~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~st4~0 1) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~14) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (= ~p3_new~0 ~nomsg~0) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~9) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode4~0) (= 0 ~mode3~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 main_~node2__m2~11) (not (<= (mod (+ v_prenex_60245 1) 256) 127)) (= ~__tmp_1537_0~0 main_~main____CPAchecker_TMP_0~9) (< main_~main__i2~0 8) (= main_~main__i2~0 (+ ~__tmp_1525_0~0 1)) (= ~nomsg~0 ~p4_new~0) (= ~__tmp_1525_0~0 ~__tmp_1537_0~0) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~9) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (not (= (mod main_~assert__arg~14 256) 0)) (= ~st4~0 1) (= 0 ~mode1~0) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~14) (= ~nomsg~0 main_~node3__m3~12) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= 0 ~mode2~0) (= (+ (mod (+ v_prenex_60245 1) 256) (- 256)) ~r1~0) (= main_~node1__m1~10 ~nomsg~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p4_new~0) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~9) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (= ~st4~0 1) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~14) (= ~nomsg~0 main_~node3__m3~12) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~__tmp_1130_0~0 ~__tmp_1142_0~0) (= ~nomsg~0 ~p4_new~0) (= ~__tmp_1130_0~0 main_~main____CPAchecker_TMP_0~5) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (= ~st4~0 1) (= ~__tmp_1142_0~0 main_~main____CPAchecker_TMP_0~14) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 main_~node3__m3~17) (= 0 ~mode4~0)))) (= main_~check__tmp~27 ~__return_1189~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= (mod main_~assert__arg~23 256) 0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~27) (= main_~main__c1~0 ~__return_1189~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_24~0) (= main_~assert__arg~23 main_~__tmp_24~0)). Possible FailurePath: - UnprovableResult [Line: 2038]: 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 1880167#(and (= (mod main_~assert__arg~9 256) 0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~13 ~__return_1939~0) (= 0 main_~check__tmp~13) (= main_~main__c1~0 ~__return_1939~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= main_~main____CPAchecker_TMP_0~6 ~__tmp_1924_0~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (or (and (= ~nomsg~0 main_~node4__m4~10) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1912_0~0) (= ~__tmp_1912_0~0 ~__tmp_1924_0~0) (= 0 ~mode4~0)) (and (or (and (= 0 ~mode4~0) (or (and (not (= ~nomsg~0 main_~node4__m4~7)) (< ~id4~0 main_~node4__m4~7) (= ~send4~0 main_~node4__m4~7)) (and (not (= ~nomsg~0 main_~node4__m4~7)) (not (= ~id4~0 main_~node4__m4~7)) (not (< ~id4~0 main_~node4__m4~7))))) (and (= ~nomsg~0 main_~node4__m4~7) (= 0 ~mode4~0))) (= main_~main____CPAchecker_TMP_0~4 ~__tmp_1924_0~0)))) (exists ((v_~r1~0_125 Int) (v_prenex_142 Int)) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= ~nomsg~0 main_~node2__m2~7)) (< main_~main__i2~0 8) (= 0 ~mode3~0) (= main_~node1__m1~7 ~id1~0) (not (= main_~node1__m1~7 ~nomsg~0)) (= main_~main__i2~0 (+ ~__tmp_1912_0~0 1)) (= ~p3_new~0 ~nomsg~0) (= ~__tmp_1912_0~0 ~__tmp_1924_0~0) (= (+ (mod (+ v_prenex_142 1) 256) (- 256)) ~r1~0) (not (< ~id2~0 main_~node2__m2~7)) (= ~st1~0 1) (not (= 0 (mod main_~assert__arg~8 256))) (= main_~main____CPAchecker_TMP_0~6 ~__tmp_1924_0~0) (= ~nomsg~0 ~p4_new~0) (= main_~node2__m2~7 ~id2~0) (= 0 ~mode1~0) (not (<= (mod (+ v_prenex_142 1) 256) 127)) (not (< ~id1~0 main_~node1__m1~7)) (= ~nomsg~0 main_~node4__m4~10) (= ~st2~0 1) (= ~nomsg~0 main_~node3__m3~8) (= 0 ~mode4~0) (= 0 ~mode2~0)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= (mod (+ v_~r1~0_125 1) 256) ~r1~0) (not (= ~nomsg~0 main_~node2__m2~7)) (< main_~main__i2~0 8) (= 0 ~mode3~0) (= main_~node1__m1~7 ~id1~0) (not (= main_~node1__m1~7 ~nomsg~0)) (<= (mod (+ v_~r1~0_125 1) 256) 127) (= main_~main__i2~0 (+ ~__tmp_1912_0~0 1)) (= ~__tmp_1912_0~0 ~__tmp_1924_0~0) (= ~p3_new~0 ~nomsg~0) (not (< ~id2~0 main_~node2__m2~7)) (= ~st1~0 1) (not (= 0 (mod main_~assert__arg~8 256))) (= main_~main____CPAchecker_TMP_0~6 ~__tmp_1924_0~0) (= ~nomsg~0 ~p4_new~0) (= main_~node2__m2~7 ~id2~0) (= 0 ~mode1~0) (not (< ~id1~0 main_~node1__m1~7)) (= ~nomsg~0 main_~node4__m4~10) (= ~st2~0 1) (= ~nomsg~0 main_~node3__m3~8) (= 0 ~mode4~0) (= 0 ~mode2~0)))))). Possible FailurePath: - UnprovableResult [Line: 2850]: 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 3402067#(and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= 0 main_~check__tmp~19) (= main_~main__c1~0 ~__return_1610~0) (exists ((v_prenex_60245 Int) (v_~r1~0_6834 Int)) (or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id4~0 main_~node4__m4~14)) (not (< ~id3~0 main_~node3__m3~12)) (< main_~main__i2~0 8) (not (= ~nomsg~0 main_~node4__m4~14)) (not (= ~nomsg~0 main_~node3__m3~12)) (= 0 ~mode3~0) (not (= (mod main_~assert__arg~14 256) 0)) (= ~p3_new~0 ~nomsg~0) (= (+ (mod (+ v_prenex_60245 1) 256) (- 256)) ~r1~0) (= ~nomsg~0 main_~node2__m2~11) (not (<= (mod (+ v_prenex_60245 1) 256) 127)) (= ~__tmp_1537_0~0 main_~main____CPAchecker_TMP_0~9) (= main_~main__i2~0 (+ ~__tmp_1525_0~0 1)) (= ~__tmp_1525_0~0 ~__tmp_1537_0~0) (= ~nomsg~0 ~p4_new~0) (= ~id3~0 main_~node3__m3~12) (= main_~node4__m4~14 ~id4~0) (= ~st4~0 1) (= 0 ~mode1~0) (= ~st3~0 1) (= 0 ~mode2~0) (= 0 ~mode4~0) (= main_~node1__m1~10 ~nomsg~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id4~0 main_~node4__m4~14)) (not (< ~id3~0 main_~node3__m3~12)) (not (= ~nomsg~0 main_~node4__m4~14)) (= ~nomsg~0 ~p4_new~0) (not (= ~nomsg~0 main_~node3__m3~12)) (= ~id3~0 main_~node3__m3~12) (= 0 ~mode3~0) (= main_~node4__m4~14 ~id4~0) (= ~st4~0 1) (= ~st3~0 1) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id4~0 main_~node4__m4~14)) (not (< ~id3~0 main_~node3__m3~12)) (< main_~main__i2~0 8) (not (= ~nomsg~0 main_~node4__m4~14)) (not (= ~nomsg~0 main_~node3__m3~12)) (= 0 ~mode3~0) (not (= (mod main_~assert__arg~14 256) 0)) (<= (mod (+ v_~r1~0_6834 1) 256) 127) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 main_~node2__m2~11) (= ~__tmp_1537_0~0 main_~main____CPAchecker_TMP_0~9) (= main_~main__i2~0 (+ ~__tmp_1525_0~0 1)) (= ~__tmp_1525_0~0 ~__tmp_1537_0~0) (= ~nomsg~0 ~p4_new~0) (= ~id3~0 main_~node3__m3~12) (= main_~node4__m4~14 ~id4~0) (= ~st4~0 1) (= 0 ~mode1~0) (= ~st3~0 1) (= (mod (+ v_~r1~0_6834 1) 256) ~r1~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (= main_~node1__m1~10 ~nomsg~0)))) (= main_~check__tmp~19 ~__return_1610~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_16~0) (= main_~assert__arg~15 main_~__tmp_16~0) (= 0 (mod main_~assert__arg~15 256))). Possible FailurePath: - UnprovableResult [Line: 2288]: 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 1473002#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= 0 (mod main_~assert__arg~11 256)) (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (or (and (or (and (= ~__tmp_2001_0~0 main_~main____CPAchecker_TMP_0~5) (= ~nomsg~0 main_~node4__m4~8) (= 0 ~mode4~0)) (and (or (and (= ~__tmp_2001_0~0 main_~main____CPAchecker_TMP_0~5) (= ~send4~0 main_~node4__m4~8) (not (= ~nomsg~0 main_~node4__m4~8)) (< ~id4~0 main_~node4__m4~8)) (and (= ~__tmp_2001_0~0 main_~main____CPAchecker_TMP_0~5) (not (< ~id4~0 main_~node4__m4~8)) (not (= ~nomsg~0 main_~node4__m4~8)) (not (= ~id4~0 main_~node4__m4~8)))) (= 0 ~mode4~0))) (= main_~main____CPAchecker_TMP_0~5 ~__tmp_1814_0~0)) (and (= ~nomsg~0 main_~node4__m4~11) (= 0 ~mode4~0))) (= main_~main__c1~0 ~__return_1832~0) (= ~nomsg~0 ~p4_new~0) (= main_~main____CPAchecker_TMP_0~7 ~__tmp_1814_0~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~assert__arg~11 main_~__tmp_12~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (= main_~check__tmp~15 ~__return_1832~0) (= ~p3_new~0 ~nomsg~0) (= 0 main_~check__tmp~15)). Possible FailurePath: - UnprovableResult [Line: 4157]: 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 3893630#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= 0 main_~check__tmp~29) (= main_~assert__arg~25 main_~__tmp_26~0) (= main_~check__tmp~29 ~__return_1097~0) (or (and (= ~__tmp_1079_0~0 main_~main____CPAchecker_TMP_0~12) (or (and (or (and (not (< ~id4~0 main_~node4__m4~19)) (not (= main_~node4__m4~19 ~id4~0)) (not (= ~nomsg~0 main_~node4__m4~19))) (and (< ~id4~0 main_~node4__m4~19) (= ~send4~0 main_~node4__m4~19) (not (= ~nomsg~0 main_~node4__m4~19)))) (= 0 ~mode4~0)) (and (= ~nomsg~0 main_~node4__m4~19) (= 0 ~mode4~0)))) (and (= ~nomsg~0 main_~node4__m4~22) (= ~__tmp_1067_0~0 ~__tmp_1079_0~0) (= 0 ~mode4~0))) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_1097~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_26~0) (= ~__tmp_1079_0~0 main_~main____CPAchecker_TMP_0~15) (= ~p3_new~0 ~nomsg~0) (= (mod main_~assert__arg~25 256) 0)). Possible FailurePath: - UnprovableResult [Line: 2589]: 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 3893608#(and (= ~__tmp_1738_0~0 main_~main____CPAchecker_TMP_0~8) (= (mod main_~assert__arg~13 256) 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_14~0) (= main_~assert__arg~13 main_~__tmp_14~0)). Possible FailurePath: - UnprovableResult [Line: 1774]: 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 1473079#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 main_~check__tmp~11) (not (< ~id4~0 main_~node4__m4~8)) (= main_~__tmp_8~0 main_~assert__arg~7) (= ~nomsg~0 ~p4_new~0) (= ~id4~0 main_~node4__m4~8) (not (= ~nomsg~0 main_~node4__m4~8)) (= main_~check__tmp~11 ~__return_2045~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~__tmp_2001_0~0 main_~main____CPAchecker_TMP_0~5) (= ~st4~0 1) (= main_~main__c1~0 ~__return_2045~0) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 3115]: 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 3408774#(and (or (and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= 0 main_~check__tmp~21) (= main_~assert__arg~17 main_~__tmp_18~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_18~0) (= main_~check__tmp~21 ~__return_1501~0) (= main_~main__c1~0 ~__return_1501~0) (exists ((v_~r1~0_6070 Int) (v_prenex_56461 Int)) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~11 ~nomsg~0)) (not (< ~id1~0 main_~node1__m1~11)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (= 0 ~mode3~0) (= main_~main__i2~0 (+ ~__tmp_1445_0~0 1)) (not (<= (mod (+ v_prenex_56461 1) 256) 127)) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (= ~nomsg~0 main_~node2__m2~12) (not (< ~id3~0 main_~node3__m3~13)) (not (= 0 (mod main_~assert__arg~16 256))) (= ~st1~0 1) (= (+ (mod (+ v_prenex_56461 1) 256) (- 256)) ~r1~0) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode1~0) (= main_~node1__m1~11 ~id1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~11 ~nomsg~0)) (not (< ~id1~0 main_~node1__m1~11)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (<= (mod (+ v_~r1~0_6070 1) 256) 127) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (= ~r1~0 (mod (+ v_~r1~0_6070 1) 256)) (= 0 ~mode3~0) (= main_~main__i2~0 (+ ~__tmp_1445_0~0 1)) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (= ~nomsg~0 main_~node2__m2~12) (not (< ~id3~0 main_~node3__m3~13)) (not (= 0 (mod main_~assert__arg~16 256))) (= ~st1~0 1) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode1~0) (= main_~node1__m1~11 ~id1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0))))) (and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= 0 main_~check__tmp~21) (exists ((v_prenex_10830 Int) (v_prenex_10829 Int) (v_~r1~0_1417 Int) (v_prenex_10284 Int) (v_prenex_10828 Int) (v_prenex_10827 Int)) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~send2~0 main_~node2__m2~3) (not (= main_~node1__m1~3 ~nomsg~0)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (= ~r1~0 (+ (mod (+ v_prenex_10830 1) 256) (- 256))) (< ~id2~0 main_~node2__m2~3) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (<= (mod (+ v_prenex_10830 1) 256) 127)) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (not (< ~id3~0 main_~node3__m3~13)) (= ~st1~0 1) (= ~nomsg~0 ~p4_new~0) (not (< ~id1~0 main_~node1__m1~3)) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~2 1)) (= main_~node1__m1~3 ~id1~0) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1445_0~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~2 256)))) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= (mod (+ v_prenex_10284 1) 256) ~r1~0) (= ~send2~0 main_~node2__m2~3) (not (= main_~node1__m1~3 ~nomsg~0)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (< ~id2~0 main_~node2__m2~3) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (not (< ~id3~0 main_~node3__m3~13)) (= ~st1~0 1) (= ~nomsg~0 ~p4_new~0) (not (< ~id1~0 main_~node1__m1~3)) (<= (mod (+ v_prenex_10284 1) 256) 127) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~2 1)) (= main_~node1__m1~3 ~id1~0) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1445_0~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~2 256)))) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~3 ~nomsg~0)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (= 0 ~mode3~0) (not (<= (mod (+ v_prenex_10827 1) 256) 127)) (not (= ~nomsg~0 main_~node2__m2~3)) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (not (< ~id3~0 main_~node3__m3~13)) (= ~st1~0 1) (= ~nomsg~0 ~p4_new~0) (not (< ~id1~0 main_~node1__m1~3)) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (not (= main_~node2__m2~3 ~id2~0)) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~2 1)) (= main_~node1__m1~3 ~id1~0) (= ~r1~0 (+ (mod (+ v_prenex_10827 1) 256) (- 256))) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1445_0~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~2 256)))) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~3 ~nomsg~0)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (<= (mod (+ v_prenex_10828 1) 256) 127) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (not (< ~id2~0 main_~node2__m2~3)) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (not (< ~id3~0 main_~node3__m3~13)) (= ~st1~0 1) (= ~nomsg~0 ~p4_new~0) (not (< ~id1~0 main_~node1__m1~3)) (= (mod (+ v_prenex_10828 1) 256) ~r1~0) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (not (= main_~node2__m2~3 ~id2~0)) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~2 1)) (= main_~node1__m1~3 ~id1~0) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1445_0~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~2 256)))) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= main_~main____CPAchecker_TMP_0~8 ~__tmp_1486_0~0)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~3 ~nomsg~0)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (= 0 ~mode3~0) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (not (< ~id3~0 main_~node3__m3~13)) (= ~st1~0 1) (= (mod (+ v_prenex_10829 1) 256) ~r1~0) (= ~nomsg~0 ~p4_new~0) (not (< ~id1~0 main_~node1__m1~3)) (<= (mod (+ v_prenex_10829 1) 256) 127) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (= ~nomsg~0 main_~node2__m2~3) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~2 1)) (= main_~node1__m1~3 ~id1~0) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1445_0~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~2 256)))) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~3 ~nomsg~0)) (< main_~main__i2~0 8) (= ~nomsg~0 main_~node4__m4~16) (= ~__tmp_1445_0~0 ~__tmp_1486_0~0) (= 0 ~mode3~0) (= ~r1~0 (+ (mod (+ v_~r1~0_1417 1) 256) (- 256))) (= ~p3_new~0 ~nomsg~0) (= ~id3~0 main_~node3__m3~13) (not (< ~id3~0 main_~node3__m3~13)) (= ~st1~0 1) (= ~nomsg~0 ~p4_new~0) (not (< ~id1~0 main_~node1__m1~3)) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (= main_~main__i2~0 (+ main_~main____CPAchecker_TMP_0~2 1)) (= ~nomsg~0 main_~node2__m2~3) (not (<= (mod (+ v_~r1~0_1417 1) 256) 127)) (= main_~node1__m1~3 ~id1~0) (= ~st3~0 1) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_1445_0~0) (= main_~main____CPAchecker_TMP_0~10 ~__tmp_1486_0~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~2 256)))))) (= main_~assert__arg~17 main_~__tmp_18~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_18~0) (= main_~check__tmp~21 ~__return_1501~0) (= main_~main__c1~0 ~__return_1501~0))) (= 0 (mod main_~assert__arg~17 256))). Possible FailurePath: - UnprovableResult [Line: 1240]: 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 1473047#(and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2270~0) (= main_~__tmp_5~0 main_~assert__arg~4) (= main_~__tmp_5~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_2270~0 main_~check__tmp~7) (= 0 main_~check__tmp~7) (= 0 (mod main_~assert__arg~4 256))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1396.06 ms. Allocated memory was 137.9 MB in the beginning and 215.0 MB in the end (delta: 77.1 MB). Free memory was 80.5 MB in the beginning and 164.2 MB in the end (delta: -83.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 180.16 ms. Allocated memory is still 215.0 MB. Free memory was 164.2 MB in the beginning and 156.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2121.14 ms. Allocated memory was 215.0 MB in the beginning and 274.7 MB in the end (delta: 59.8 MB). Free memory was 156.8 MB in the beginning and 102.6 MB in the end (delta: 54.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 501263.49 ms. Allocated memory was 274.7 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 102.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...