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.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:42:48,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:42:48,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:42:48,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:42:48,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:42:48,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:42:48,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:42:48,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:42:48,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:42:48,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:42:48,774 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:42:48,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:42:48,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:42:48,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:42:48,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:42:48,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:42:48,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:42:48,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:42:48,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:42:48,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:42:48,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:42:48,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:42:48,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:42:48,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:42:48,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-15 00:42:48,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:42:48,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:42:48,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:42:48,799 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 [2019-08-15 00:42:48,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:42:48,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:42:48,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:42:48,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:42:48,815 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:42:48,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:42:48,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:42:48,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:42:48,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:42:48,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:42:48,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:42:48,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:42:48,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:42:48,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:42:48,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:42:48,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:42:48,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:42:48,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:42:48,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:42:48,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:42:48,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:42:48,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:42:48,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:42:48,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:42:48,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:42:48,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:42:48,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:42:48,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:42:48,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:42:48,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:42:48,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:42:48,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:42:48,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:42:48,867 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:42:48,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2019-08-15 00:42:48,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ccc64565/f75908cda70a47b08a66cfe47285507d/FLAG31ccb3212 [2019-08-15 00:42:49,522 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:42:49,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2019-08-15 00:42:49,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ccc64565/f75908cda70a47b08a66cfe47285507d/FLAG31ccb3212 [2019-08-15 00:42:49,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ccc64565/f75908cda70a47b08a66cfe47285507d [2019-08-15 00:42:49,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:42:49,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:42:49,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:42:49,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:42:49,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:42:49,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:42:49" (1/1) ... [2019-08-15 00:42:49,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187f9bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:49, skipping insertion in model container [2019-08-15 00:42:49,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:42:49" (1/1) ... [2019-08-15 00:42:49,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:42:49,910 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:42:50,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:42:50,547 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:42:50,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:42:50,991 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:42:50,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50 WrapperNode [2019-08-15 00:42:50,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:42:50,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:42:50,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:42:50,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:42:51,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (1/1) ... [2019-08-15 00:42:51,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:42:51,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:42:51,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:42:51,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:42:51,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:50" (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 [2019-08-15 00:42:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:42:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:42:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:42:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:42:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:42:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:42:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:42:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:42:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:42:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:42:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:42:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:42:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:42:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-15 00:42:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:42:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:42:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:42:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:42:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:42:53,041 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:42:53,041 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:42:53,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:42:53 BoogieIcfgContainer [2019-08-15 00:42:53,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:42:53,044 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:42:53,044 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:42:53,044 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:42:53,045 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:42:53" (1/1) ... [2019-08-15 00:42:53,636 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-08-15 00:42:54,063 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-08-15 00:45:35,991 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-15 00:45:35,994 INFO L168 Benchmark]: Toolchain (without parser) took 166177.61 ms. Allocated memory was 133.2 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 86.8 MB in the beginning and 2.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-08-15 00:45:35,995 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-15 00:45:35,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1175.41 ms. Allocated memory was 133.2 MB in the beginning and 215.0 MB in the end (delta: 81.8 MB). Free memory was 86.6 MB in the beginning and 177.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-15 00:45:35,997 INFO L168 Benchmark]: Boogie Preprocessor took 113.19 ms. Allocated memory is still 215.0 MB. Free memory was 177.1 MB in the beginning and 171.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-15 00:45:35,998 INFO L168 Benchmark]: RCFGBuilder took 1937.11 ms. Allocated memory was 215.0 MB in the beginning and 275.3 MB in the end (delta: 60.3 MB). Free memory was 170.9 MB in the beginning and 196.2 MB in the end (delta: -25.3 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2019-08-15 00:45:35,999 INFO L168 Benchmark]: Symbolic Interpretation took 162947.74 ms. Allocated memory was 275.3 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 196.2 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-08-15 00:45:36,003 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 780]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 844009#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= 0 (mod main_~assert__arg~3 256)) (= main_~__tmp_4~0 main_~assert__arg~3) (= ~nomsg~0 ~p4_new~0) (= ~__return_3459~0 main_~check__tmp~3) (not (< ~id4~0 main_~node4__m4~1)) (= ~st4~0 1) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~main__c1~0 ~__return_3459~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~id4~0 main_~node4__m4~1) (= 0 main_~check__tmp~3) (= ~p3_new~0 ~nomsg~0) (not (= ~nomsg~0 main_~node4__m4~1)) (or (and (or (and (not (= ~id3~0 main_~node3__m3~1)) (not (= ~nomsg~0 main_~node3__m3~1)) (not (< ~id3~0 main_~node3__m3~1)) (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0)))) (and (= ~send3~0 main_~node3__m3~1) (not (= ~nomsg~0 main_~node3__m3~1)) (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0))) (< ~id3~0 main_~node3__m3~1))) (= 0 ~mode3~0)) (and (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0))) (= ~nomsg~0 main_~node3__m3~1) (= 0 ~mode3~0))) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 1086]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 844085#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= main_~__tmp_8~0 main_~assert__arg~7) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~7) (not (= ~nomsg~0 main_~node4__m4~4)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~__return_4219~0 main_~check__tmp~7) (= ~st4~0 1) (= main_~main__c1~0 ~__return_4219~0) (or (and (or (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (< ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node3__m3~3)) (= ~send3~0 main_~node3__m3~3) (= 0 ~mode2~0)) (and (= main_~node2__m2~1 ~id2~0) (not (= ~id3~0 main_~node3__m3~3)) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (not (< ~id3~0 main_~node3__m3~3)))) (= 0 ~mode3~0)) (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~3))) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (not (< ~id4~0 main_~node4__m4~4)) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= ~id4~0 main_~node4__m4~4)). Possible FailurePath: - UnprovableResult [Line: 1468]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 843832#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 (mod main_~assert__arg~11 256)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (or (and (or (and (not (= ~nomsg~0 main_~node4__m4~7)) (not (= ~nomsg~0 main_~node3__m3~4)) (not (= ~id4~0 main_~node4__m4~7)) (or (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (= ~nomsg~0 main_~node2__m2~3) (not (< ~id1~0 main_~node1__m1~1)) (= 0 ~mode2~0) (= ~st1~0 1)) (and (or (and (= 0 ~mode1~0) (= ~send2~0 main_~node2__m2~3) (= main_~node1__m1~1 ~id1~0) (not (< ~id1~0 main_~node1__m1~1)) (< ~id2~0 main_~node2__m2~3) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (not (= main_~node2__m2~3 ~id2~0)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= 0 ~mode2~0))) (= ~st3~0 1) (not (< ~id4~0 main_~node4__m4~7)) (= ~id3~0 main_~node3__m3~4) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0)) (and (not (= ~nomsg~0 main_~node4__m4~7)) (not (= ~nomsg~0 main_~node3__m3~4)) (or (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (= ~nomsg~0 main_~node2__m2~3) (not (< ~id1~0 main_~node1__m1~1)) (= 0 ~mode2~0) (= ~st1~0 1)) (and (or (and (= 0 ~mode1~0) (= ~send2~0 main_~node2__m2~3) (= main_~node1__m1~1 ~id1~0) (not (< ~id1~0 main_~node1__m1~1)) (< ~id2~0 main_~node2__m2~3) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (not (= main_~node2__m2~3 ~id2~0)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= 0 ~mode2~0))) (= ~st3~0 1) (< ~id4~0 main_~node4__m4~7) (= ~id3~0 main_~node3__m3~4) (= ~send4~0 main_~node4__m4~7) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0))) (= 0 ~mode4~0)) (and (not (= ~nomsg~0 main_~node3__m3~4)) (or (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (= ~nomsg~0 main_~node2__m2~3) (not (< ~id1~0 main_~node1__m1~1)) (= 0 ~mode2~0) (= ~st1~0 1)) (and (or (and (= 0 ~mode1~0) (= ~send2~0 main_~node2__m2~3) (= main_~node1__m1~1 ~id1~0) (not (< ~id1~0 main_~node1__m1~1)) (< ~id2~0 main_~node2__m2~3) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~id1~0) (not (= main_~node2__m2~3 ~id2~0)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= 0 ~mode2~0))) (= ~nomsg~0 main_~node4__m4~7) (= ~st3~0 1) (= ~id3~0 main_~node3__m3~4) (= 0 ~mode4~0) (not (< ~id3~0 main_~node3__m3~4)) (= 0 ~mode3~0))) (= main_~main__c1~0 ~__return_3735~0) (= 0 main_~check__tmp~12) (= main_~assert__arg~11 main_~__tmp_12~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (= main_~check__tmp~12 ~__return_3735~0)). Possible FailurePath: - UnprovableResult [Line: 1162]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 844059#(and (= 0 (mod main_~assert__arg~8 256)) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (or (and (or (and (= main_~node2__m2~1 ~id2~0) (not (< ~id2~0 main_~node2__m2~1)) (= 0 ~mode3~0) (not (= ~id4~0 main_~node4__m4~5)) (= ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node4__m4~5)) (= ~st2~0 1) (= ~st3~0 1) (not (< ~id4~0 main_~node4__m4~5)) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (not (< ~id3~0 main_~node3__m3~3))) (and (= main_~node2__m2~1 ~id2~0) (not (< ~id2~0 main_~node2__m2~1)) (= ~send4~0 main_~node4__m4~5) (= 0 ~mode3~0) (= ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node4__m4~5)) (= ~st2~0 1) (= ~st3~0 1) (< ~id4~0 main_~node4__m4~5) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (not (< ~id3~0 main_~node3__m3~3)))) (= 0 ~mode4~0)) (and (= main_~node2__m2~1 ~id2~0) (= ~id3~0 main_~node3__m3~3) (not (< ~id2~0 main_~node2__m2~1)) (= ~st2~0 1) (= ~st3~0 1) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode4~0) (= ~nomsg~0 main_~node4__m4~5) (= 0 ~mode2~0) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~3)))) (= main_~__tmp_9~0 main_~assert__arg~8) (= 0 main_~check__tmp~8) (= main_~__tmp_9~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_4399~0 main_~check__tmp~8) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_4399~0) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1608]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 843797#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~14 ~__return_4132~0) (= 0 (mod main_~assert__arg~12 256)) (= 0 main_~check__tmp~14) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~12 main_~__tmp_13~0) (= ~p3_new~0 ~nomsg~0) (or (and (or (and (not (< ~id4~0 main_~node4__m4~8)) (or (and (not (= ~nomsg~0 main_~node4__m4~8)) (or (and (not (= ~id3~0 main_~node3__m3~5)) (not (= ~nomsg~0 main_~node3__m3~5)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (< ~id3~0 main_~node3__m3~5)) (= 0 ~mode2~0) (= ~st1~0 1)) (and (< ~id3~0 main_~node3__m3~5) (= ~send3~0 main_~node3__m3~5) (not (= ~nomsg~0 main_~node3__m3~5)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (= ~st1~0 1)))) (and (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (= ~nomsg~0 main_~node4__m4~8)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~5) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (not (= ~id4~0 main_~node4__m4~8))) (and (or (and (not (= ~nomsg~0 main_~node4__m4~8)) (or (and (not (= ~id3~0 main_~node3__m3~5)) (not (= ~nomsg~0 main_~node3__m3~5)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (< ~id3~0 main_~node3__m3~5)) (= 0 ~mode2~0) (= ~st1~0 1)) (and (< ~id3~0 main_~node3__m3~5) (= ~send3~0 main_~node3__m3~5) (not (= ~nomsg~0 main_~node3__m3~5)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (= ~st1~0 1)))) (and (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (= ~nomsg~0 main_~node4__m4~8)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~5) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= ~send4~0 main_~node4__m4~8) (< ~id4~0 main_~node4__m4~8))) (= 0 ~mode4~0)) (and (= ~nomsg~0 main_~node4__m4~8) (= 0 ~mode4~0) (or (and (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~5) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (not (= ~id3~0 main_~node3__m3~5)) (not (= ~nomsg~0 main_~node3__m3~5)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (< ~id3~0 main_~node3__m3~5)) (= 0 ~mode2~0) (= ~st1~0 1)) (and (< ~id3~0 main_~node3__m3~5) (= ~send3~0 main_~node3__m3~5) (not (= ~nomsg~0 main_~node3__m3~5)) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (= ~st1~0 1))))) (= main_~main__c1~0 ~__return_4132~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 1037]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 843973#(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)) (= (mod main_~assert__arg~6 256) 0) (= ~__return_4035~0 main_~check__tmp~6) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~6) (= main_~main__c1~0 ~__return_4035~0) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1)) (or (and (= 0 ~mode4~0) (or (and (< ~id4~0 main_~node4__m4~4) (= ~send4~0 main_~node4__m4~4) (or (and (or (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (< ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node3__m3~3)) (= ~send3~0 main_~node3__m3~3) (= 0 ~mode2~0)) (and (= main_~node2__m2~1 ~id2~0) (not (= ~id3~0 main_~node3__m3~3)) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (not (< ~id3~0 main_~node3__m3~3)))) (= 0 ~mode3~0)) (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~3))) (not (= ~nomsg~0 main_~node4__m4~4))) (and (or (and (or (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (< ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node3__m3~3)) (= ~send3~0 main_~node3__m3~3) (= 0 ~mode2~0)) (and (= main_~node2__m2~1 ~id2~0) (not (= ~id3~0 main_~node3__m3~3)) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (not (< ~id3~0 main_~node3__m3~3)))) (= 0 ~mode3~0)) (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~3))) (not (< ~id4~0 main_~node4__m4~4)) (not (= ~id4~0 main_~node4__m4~4)) (not (= ~nomsg~0 main_~node4__m4~4))))) (and (= ~nomsg~0 main_~node4__m4~4) (or (and (or (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (< ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node3__m3~3)) (= ~send3~0 main_~node3__m3~3) (= 0 ~mode2~0)) (and (= main_~node2__m2~1 ~id2~0) (not (= ~id3~0 main_~node3__m3~3)) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node3__m3~3)) (= 0 ~mode2~0) (not (< ~id3~0 main_~node3__m3~3)))) (= 0 ~mode3~0)) (and (= main_~node2__m2~1 ~id2~0) (= ~st2~0 1) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)) (= 0 ~mode2~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node3__m3~3))) (= 0 ~mode4~0))) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~__tmp_7~0 main_~assert__arg~6) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1342]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 843716#(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)) (= main_~check__tmp~10 ~__return_3369~0) (or (and (or (and (= ~nomsg~0 main_~node3__m3~4) (= ~mode2~0 0) (= ~mode1~0 0) (= 0 ~mode3~0) (= ~st1~0 1)) (and (or (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 main_~node3__m3~4) (= ~mode2~0 0) (< ~id3~0 main_~node3__m3~4) (= ~mode1~0 0) (= ~st1~0 1)) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~mode2~0 0) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4)) (= ~mode1~0 0) (= ~st1~0 1))) (= 0 ~mode3~0))) (= ~nomsg~0 main_~node4__m4~6) (= 0 ~mode4~0)) (and (or (and (not (= ~id4~0 main_~node4__m4~6)) (or (and (= ~nomsg~0 main_~node3__m3~4) (= ~mode2~0 0) (= ~mode1~0 0) (= 0 ~mode3~0) (= ~st1~0 1)) (and (or (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 main_~node3__m3~4) (= ~mode2~0 0) (< ~id3~0 main_~node3__m3~4) (= ~mode1~0 0) (= ~st1~0 1)) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~mode2~0 0) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4)) (= ~mode1~0 0) (= ~st1~0 1))) (= 0 ~mode3~0))) (not (< ~id4~0 main_~node4__m4~6)) (not (= ~nomsg~0 main_~node4__m4~6))) (and (< ~id4~0 main_~node4__m4~6) (or (and (= ~nomsg~0 main_~node3__m3~4) (= ~mode2~0 0) (= ~mode1~0 0) (= 0 ~mode3~0) (= ~st1~0 1)) (and (or (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 main_~node3__m3~4) (= ~mode2~0 0) (< ~id3~0 main_~node3__m3~4) (= ~mode1~0 0) (= ~st1~0 1)) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~mode2~0 0) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4)) (= ~mode1~0 0) (= ~st1~0 1))) (= 0 ~mode3~0))) (= ~send4~0 main_~node4__m4~6) (not (= ~nomsg~0 main_~node4__m4~6)))) (= 0 ~mode4~0))) (= 0 main_~check__tmp~10) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (= ~nomsg~0 ~p4_new~0) (= (mod main_~assert__arg~9 256) 0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~main__c1~0 ~__return_3369~0) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 486]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 965595#(= 0 (mod main_~assert__arg~2 256)). Possible FailurePath: - UnprovableResult [Line: 919]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 844035#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~main__c1~0 ~__return_3824~0) (= ~id4~0 main_~node4__m4~3) (not (< ~id3~0 main_~node3__m3~1)) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~id3~0 main_~node3__m3~1) (= 0 main_~check__tmp~5) (= ~nomsg~0 ~p4_new~0) (= (mod main_~assert__arg~5 256) 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node4__m4~3)) (= main_~__tmp_6~0 main_~assert__arg~5) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (not (< ~id4~0 main_~node4__m4~3)) (not (= ~nomsg~0 main_~node3__m3~1)) (= ~__return_3824~0 main_~check__tmp~5) (= ~st3~0 1) (= ~p3_new~0 ~nomsg~0) (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0))) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 1391]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 843765#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (and (= ~nomsg~0 main_~node3__m3~4) (= ~mode2~0 0) (= ~mode1~0 0) (= 0 ~mode3~0) (= ~st1~0 1)) (and (or (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 main_~node3__m3~4) (= ~mode2~0 0) (< ~id3~0 main_~node3__m3~4) (= ~mode1~0 0) (= ~st1~0 1)) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~mode2~0 0) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4)) (= ~mode1~0 0) (= ~st1~0 1))) (= 0 ~mode3~0))) (= 0 main_~check__tmp~11) (= 0 (mod main_~assert__arg~10 256)) (= ~nomsg~0 ~p4_new~0) (= main_~check__tmp~11 ~__return_3532~0) (not (< ~id4~0 main_~node4__m4~6)) (not (= ~nomsg~0 main_~node4__m4~6)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_11~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= main_~main__c1~0 ~__return_3532~0) (= ~id4~0 main_~node4__m4~6) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= main_~assert__arg~10 main_~__tmp_11~0)). Possible FailurePath: - UnprovableResult [Line: 870]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 843937#(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)) (= main_~__tmp_5~0 main_~assert__arg~4) (= main_~__tmp_5~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~main__c1~0 ~__return_3650~0) (= ~nomsg~0 ~p4_new~0) (= 0 (mod main_~assert__arg~4 256)) (= ~__return_3650~0 main_~check__tmp~4) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~4) (or (and (not (= ~nomsg~0 main_~node3__m3~1)) (= ~st3~0 1) (not (< ~id3~0 main_~node3__m3~1)) (= ~id3~0 main_~node3__m3~1) (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0))) (= ~nomsg~0 main_~node4__m4~3) (= 0 ~mode4~0) (= 0 ~mode3~0)) (and (or (and (not (< ~id4~0 main_~node4__m4~3)) (not (= ~nomsg~0 main_~node3__m3~1)) (= ~st3~0 1) (not (= ~id4~0 main_~node4__m4~3)) (not (< ~id3~0 main_~node3__m3~1)) (= ~id3~0 main_~node3__m3~1) (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0))) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node4__m4~3))) (and (not (= ~nomsg~0 main_~node3__m3~1)) (= ~send4~0 main_~node4__m4~3) (= ~st3~0 1) (not (< ~id3~0 main_~node3__m3~1)) (= ~id3~0 main_~node3__m3~1) (< ~id4~0 main_~node4__m4~3) (or (and (or (and (= ~send2~0 main_~node2__m2~1) (< ~id2~0 main_~node2__m2~1) (not (= ~nomsg~0 main_~node2__m2~1))) (and (not (= main_~node2__m2~1 ~id2~0)) (not (< ~id2~0 main_~node2__m2~1)) (not (= ~nomsg~0 main_~node2__m2~1)))) (= 0 ~mode2~0)) (and (= ~nomsg~0 main_~node2__m2~1) (= 0 ~mode2~0))) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node4__m4~3)))) (= 0 ~mode4~0))) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1175.41 ms. Allocated memory was 133.2 MB in the beginning and 215.0 MB in the end (delta: 81.8 MB). Free memory was 86.6 MB in the beginning and 177.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.19 ms. Allocated memory is still 215.0 MB. Free memory was 177.1 MB in the beginning and 171.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1937.11 ms. Allocated memory was 215.0 MB in the beginning and 275.3 MB in the end (delta: 60.3 MB). Free memory was 170.9 MB in the beginning and 196.2 MB in the end (delta: -25.3 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 162947.74 ms. Allocated memory was 275.3 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 196.2 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...