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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:14:16,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:14:16,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:14:16,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:14:16,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:14:16,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:14:16,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:14:16,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:14:16,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:14:16,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:14:16,179 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:14:16,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:14:16,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:14:16,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:14:16,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:14:16,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:14:16,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:14:16,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:14:16,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:14:16,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:14:16,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:14:16,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:14:16,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:14:16,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:14:16,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:14:16,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:14:16,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:14:16,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:14:16,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:14:16,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:14:16,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:14:16,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:14:16,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:14:16,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:14:16,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:14:16,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:14:16,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:14:16,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:14:16,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:14:16,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:14:16,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:14:16,206 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 06:14:16,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:14:16,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:14:16,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:14:16,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:14:16,223 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:14:16,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:14:16,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:14:16,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:14:16,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:14:16,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:14:16,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:14:16,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:14:16,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:14:16,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:14:16,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:14:16,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:14:16,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:14:16,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:14:16,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:14:16,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:14:16,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:14:16,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:14:16,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:14:16,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:14:16,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:14:16,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:14:16,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:14:16,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:14:16,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:14:16,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:14:16,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:14:16,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:14:16,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:14:16,277 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:14:16,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2019-08-10 06:14:16,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b3afe24/05db5ba9a31c408aa4f06591eb3e84cf/FLAG952a34516 [2019-08-10 06:14:16,920 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:14:16,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2019-08-10 06:14:16,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b3afe24/05db5ba9a31c408aa4f06591eb3e84cf/FLAG952a34516 [2019-08-10 06:14:17,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b3afe24/05db5ba9a31c408aa4f06591eb3e84cf [2019-08-10 06:14:17,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:14:17,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:14:17,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:14:17,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:14:17,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:14:17,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:14:17" (1/1) ... [2019-08-10 06:14:17,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27759254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:17, skipping insertion in model container [2019-08-10 06:14:17,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:14:17" (1/1) ... [2019-08-10 06:14:17,219 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:14:17,305 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:14:17,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:14:18,009 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:14:18,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:14:18,511 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:14:18,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18 WrapperNode [2019-08-10 06:14:18,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:14:18,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:14:18,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:14:18,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:14:18,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (1/1) ... [2019-08-10 06:14:18,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:14:18,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:14:18,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:14:18,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:14:18,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:14:18" (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 06:14:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:14:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:14:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:14:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:14:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:14:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:14:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:14:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:14:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:14:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:14:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:14:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:14:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:14:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:14:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:14:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:14:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:14:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:14:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:14:20,589 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:14:20,589 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:14:20,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:14:20 BoogieIcfgContainer [2019-08-10 06:14:20,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:14:20,593 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:14:20,593 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:14:20,593 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:14:20,594 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:14:20" (1/1) ... [2019-08-10 06:14:21,206 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-08-10 06:14:21,614 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-08-10 06:15:21,377 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:15:21,385 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:15:21,387 INFO L168 Benchmark]: Toolchain (without parser) took 64185.20 ms. Allocated memory was 138.9 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 85.0 MB in the beginning and 1.0 GB in the end (delta: -915.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-10 06:15:21,388 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 06:15:21,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.13 ms. Allocated memory was 138.9 MB in the beginning and 215.5 MB in the end (delta: 76.5 MB). Free memory was 84.8 MB in the beginning and 178.3 MB in the end (delta: -93.5 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:21,390 INFO L168 Benchmark]: Boogie Preprocessor took 130.58 ms. Allocated memory is still 215.5 MB. Free memory was 178.3 MB in the beginning and 172.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:21,391 INFO L168 Benchmark]: RCFGBuilder took 1948.31 ms. Allocated memory was 215.5 MB in the beginning and 273.7 MB in the end (delta: 58.2 MB). Free memory was 172.4 MB in the beginning and 195.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:21,392 INFO L168 Benchmark]: Symbolic Interpretation took 60792.38 ms. Allocated memory was 273.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 195.1 MB in the beginning and 1.0 GB in the end (delta: -805.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-10 06:15:21,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1609]: 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 357962#(and (= main_~main__c1~0 ~__return_4143~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (or (and (= 0 ~mode4~0) (or (and (not (< ~id4~0 main_~node4__m4~8)) (not (= ~nomsg~0 main_~node4__m4~8)) (not (= ~id4~0 main_~node4__m4~8)) (or (and (or (and (< ~id3~0 main_~node3__m3~5) (= 0 ~mode1~0) (= ~send3~0 main_~node3__m3~5) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (= ~nomsg~0 main_~node3__m3~5)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (not (= ~id3~0 main_~node3__m3~5)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (= ~nomsg~0 main_~node3__m3~5)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (< ~id3~0 main_~node3__m3~5)) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= 0 ~mode3~0)) (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 (= ~send4~0 main_~node4__m4~8) (not (= ~nomsg~0 main_~node4__m4~8)) (< ~id4~0 main_~node4__m4~8) (or (and (or (and (< ~id3~0 main_~node3__m3~5) (= 0 ~mode1~0) (= ~send3~0 main_~node3__m3~5) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (= ~nomsg~0 main_~node3__m3~5)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (not (= ~id3~0 main_~node3__m3~5)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (= ~nomsg~0 main_~node3__m3~5)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (< ~id3~0 main_~node3__m3~5)) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= 0 ~mode3~0)) (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 (= ~nomsg~0 main_~node4__m4~8) (= 0 ~mode4~0) (or (and (or (and (< ~id3~0 main_~node3__m3~5) (= 0 ~mode1~0) (= ~send3~0 main_~node3__m3~5) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (= ~nomsg~0 main_~node3__m3~5)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1)) (and (not (= ~id3~0 main_~node3__m3~5)) (= 0 ~mode1~0) (= main_~node2__m2~3 ~id2~0) (= main_~node1__m1~1 ~id1~0) (= ~st2~0 1) (not (= ~nomsg~0 main_~node3__m3~5)) (not (< ~id1~0 main_~node1__m1~1)) (not (< ~id2~0 main_~node2__m2~3)) (not (< ~id3~0 main_~node3__m3~5)) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~3)) (= ~st1~0 1))) (= 0 ~mode3~0)) (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))))) (= 0 (mod main_~assert__arg~12 256)) (= main_~check__tmp~14 ~__return_4143~0) (= 0 main_~check__tmp~14) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~12 main_~__tmp_13~0) (= ~p3_new~0 ~nomsg~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 1038]: 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 377093#(and (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= (mod main_~assert__arg~6 256) 0) (= main_~__tmp_7~0 main_~assert__arg~6) (= 0 main_~check__tmp~6) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~main__c1~0 ~__return_4046~0) (= ~__return_4046~0 main_~check__tmp~6)). Possible FailurePath: - UnprovableResult [Line: 1163]: 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 377124#(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)) (= main_~__tmp_9~0 main_~assert__arg~8) (= main_~main__c1~0 ~__return_4410~0) (= 0 main_~check__tmp~8) (= main_~__tmp_9~0 (ite (= main_~main__c1~0 0) 0 1)) (or (and (= ~id3~0 main_~node3__m3~3) (= ~st3~0 1) (= 0 ~mode4~0) (= ~nomsg~0 main_~node4__m4~5) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~3))) (and (or (and (= ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node4__m4~5)) (= ~st3~0 1) (< ~id4~0 main_~node4__m4~5) (= ~send4~0 main_~node4__m4~5) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~3))) (and (not (= ~id4~0 main_~node4__m4~5)) (= ~id3~0 main_~node3__m3~3) (not (= ~nomsg~0 main_~node4__m4~5)) (= ~st3~0 1) (not (< ~id4~0 main_~node4__m4~5)) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~3)))) (= 0 ~mode4~0))) (= ~__return_4410~0 main_~check__tmp~8) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 871]: 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 357677#(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_3661~0) (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) (= ~nomsg~0 main_~node4__m4~3) (= 0 ~mode4~0) (= 0 ~mode3~0)) (and (or (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) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node4__m4~3))) (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) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node4__m4~3)))) (= 0 ~mode4~0))) (= ~nomsg~0 ~p4_new~0) (= 0 (mod main_~assert__arg~4 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~4) (= ~__return_3661~0 main_~check__tmp~4) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1392]: 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 357934#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= 0 main_~check__tmp~11) (= 0 (mod main_~assert__arg~10 256)) (= ~nomsg~0 ~p4_new~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) (= main_~main__c1~0 ~__return_3543~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= main_~check__tmp~11 ~__return_3543~0) (= ~id4~0 main_~node4__m4~6) (or (and (or (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))) (= ~send3~0 main_~node3__m3~4) (< ~id3~0 main_~node3__m3~4)) (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))) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4)))) (= 0 ~mode3~0)) (and (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_~node3__m3~4) (= 0 ~mode3~0))) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= main_~assert__arg~10 main_~__tmp_11~0)). Possible FailurePath: - UnprovableResult [Line: 1343]: 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 357899#(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)) (or (and (or (and (not (= ~id4~0 main_~node4__m4~6)) (or (and (or (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))) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4))) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 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))) (< ~id3~0 main_~node3__m3~4))) (= 0 ~mode3~0)) (and (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_~node3__m3~4) (= 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 (or (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))) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4))) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 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))) (< ~id3~0 main_~node3__m3~4))) (= 0 ~mode3~0)) (and (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_~node3__m3~4) (= 0 ~mode3~0))) (= ~send4~0 main_~node4__m4~6) (not (= ~nomsg~0 main_~node4__m4~6)))) (= 0 ~mode4~0)) (and (= ~nomsg~0 main_~node4__m4~6) (or (and (or (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))) (not (= ~id3~0 main_~node3__m3~4)) (not (< ~id3~0 main_~node3__m3~4))) (and (not (= ~nomsg~0 main_~node3__m3~4)) (= ~send3~0 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))) (< ~id3~0 main_~node3__m3~4))) (= 0 ~mode3~0)) (and (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_~node3__m3~4) (= 0 ~mode3~0))) (= 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_3380~0) (= main_~check__tmp~10 ~__return_3380~0) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1087]: 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 377021#(and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_4230~0) (= 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)) (= ~__return_4230~0 main_~check__tmp~7) (= 0 main_~check__tmp~7)). Possible FailurePath: - UnprovableResult [Line: 1469]: 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 377165#(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 (< ~id4~0 main_~node4__m4~7) (= ~send4~0 main_~node4__m4~7)) (and (not (= ~id4~0 main_~node4__m4~7)) (not (< ~id4~0 main_~node4__m4~7)))) (= 0 ~mode4~0)) (and (= ~nomsg~0 main_~node4__m4~7) (= 0 ~mode4~0))) (= main_~check__tmp~12 ~__return_3746~0) (= 0 main_~check__tmp~12) (= main_~assert__arg~11 main_~__tmp_12~0) (= main_~main__c1~0 ~__return_3746~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (= ~nomsg~0 ~p4_new~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: Interpreter reached this location of interest. Location might be reachable. Predicate is 376982#(and (= 0 (mod main_~assert__arg~2 256)) (= ~__tmp_3196_0~0 main_~main____CPAchecker_TMP_0~1) (= main_~__tmp_3~0 main_~assert__arg~2) (= main_~__tmp_3~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: - UnprovableResult [Line: 920]: 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 357719#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~main__c1~0 ~__return_3835~0) (= ~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)) (= ~st3~0 1) (= ~__return_3835~0 main_~check__tmp~5) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 781]: 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 357595#(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)) (or (and (= ~nomsg~0 main_~node3__m3~1) (= 0 ~mode3~0)) (and (= 0 ~mode3~0) (or (and (not (= ~id3~0 main_~node3__m3~1)) (not (< ~id3~0 main_~node3__m3~1))) (and (= ~send3~0 main_~node3__m3~1) (< ~id3~0 main_~node3__m3~1))))) (= main_~__tmp_4~0 main_~assert__arg~3) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~1)) (= ~st4~0 1) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~id4~0 main_~node4__m4~1) (= 0 main_~check__tmp~3) (= main_~main__c1~0 ~__return_3470~0) (= ~p3_new~0 ~nomsg~0) (not (= ~nomsg~0 main_~node4__m4~1)) (= 0 ~mode4~0) (= ~__return_3470~0 main_~check__tmp~3)). 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 138.9 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1309.13 ms. Allocated memory was 138.9 MB in the beginning and 215.5 MB in the end (delta: 76.5 MB). Free memory was 84.8 MB in the beginning and 178.3 MB in the end (delta: -93.5 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.58 ms. Allocated memory is still 215.5 MB. Free memory was 178.3 MB in the beginning and 172.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1948.31 ms. Allocated memory was 215.5 MB in the beginning and 273.7 MB in the end (delta: 58.2 MB). Free memory was 172.4 MB in the beginning and 195.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 60792.38 ms. Allocated memory was 273.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 195.1 MB in the beginning and 1.0 GB in the end (delta: -805.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...