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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 05:57:59,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 05:57:59,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 05:57:59,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 05:57:59,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 05:57:59,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 05:57:59,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 05:57:59,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 05:57:59,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 05:57:59,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 05:57:59,902 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 05:57:59,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 05:57:59,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 05:57:59,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 05:57:59,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 05:57:59,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 05:57:59,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 05:57:59,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 05:57:59,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 05:57:59,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 05:57:59,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 05:57:59,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 05:57:59,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 05:57:59,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 05:57:59,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 05:57:59,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 05:57:59,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 05:57:59,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 05:57:59,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 05:57:59,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 05:57:59,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 05:57:59,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 05:57:59,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 05:57:59,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 05:57:59,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 05:57:59,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 05:57:59,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-10 05:57:59,984 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 05:57:59,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 05:57:59,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 05:57:59,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 05:57:59,989 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 05:57:59,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 05:57:59,990 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 05:57:59,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 05:57:59,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 05:57:59,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 05:57:59,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 05:57:59,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 05:57:59,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 05:57:59,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 05:57:59,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 05:57:59,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 05:57:59,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 05:57:59,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 05:57:59,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 05:57:59,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 05:57:59,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 05:57:59,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 05:57:59,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 05:57:59,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 05:57:59,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 05:57:59,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 05:57:59,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 05:57:59,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 05:57:59,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 05:58:00,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 05:58:00,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 05:58:00,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 05:58:00,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 05:58:00,054 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 05:58:00,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 05:58:00,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ee1ecbf/0d2e61d4a0e1453890c445846eb88ae6/FLAGa2d63bc40 [2019-08-10 05:58:00,823 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 05:58:00,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 05:58:00,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ee1ecbf/0d2e61d4a0e1453890c445846eb88ae6/FLAGa2d63bc40 [2019-08-10 05:58:00,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ee1ecbf/0d2e61d4a0e1453890c445846eb88ae6 [2019-08-10 05:58:00,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 05:58:00,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 05:58:00,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 05:58:00,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 05:58:00,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 05:58:00,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:58:00" (1/1) ... [2019-08-10 05:58:00,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efd1478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:00, skipping insertion in model container [2019-08-10 05:58:00,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:58:00" (1/1) ... [2019-08-10 05:58:00,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 05:58:01,134 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 05:58:02,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:58:02,458 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 05:58:03,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:58:03,136 INFO L192 MainTranslator]: Completed translation [2019-08-10 05:58:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03 WrapperNode [2019-08-10 05:58:03,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 05:58:03,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 05:58:03,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 05:58:03,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 05:58:03,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... [2019-08-10 05:58:03,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 05:58:03,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 05:58:03,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 05:58:03,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 05:58:03,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:58:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 05:58:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 05:58:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 05:58:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 05:58:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 05:58:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 05:58:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 05:58:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 05:58:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 05:58:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 05:58:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 05:58:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 05:58:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 05:58:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 05:58:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 05:58:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 05:58:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 05:58:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 05:58:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 05:58:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 05:58:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 05:58:09,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 05:58:09,287 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 05:58:09,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:58:09 BoogieIcfgContainer [2019-08-10 05:58:09,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 05:58:09,290 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 05:58:09,290 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 05:58:09,290 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 05:58:09,291 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:58:09" (1/1) ... [2019-08-10 05:58:10,804 WARN L188 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 304 [2019-08-10 05:58:12,024 WARN L188 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 306 [2019-08-10 06:00:06,168 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:00:06,177 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:00:06,179 INFO L168 Benchmark]: Toolchain (without parser) took 125255.09 ms. Allocated memory was 132.1 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 77.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-08-10 06:00:06,180 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-10 06:00:06,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2212.71 ms. Allocated memory was 132.1 MB in the beginning and 221.2 MB in the end (delta: 89.1 MB). Free memory was 77.5 MB in the beginning and 83.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-08-10 06:00:06,182 INFO L168 Benchmark]: Boogie Preprocessor took 344.97 ms. Allocated memory was 221.2 MB in the beginning and 268.4 MB in the end (delta: 47.2 MB). Free memory was 83.1 MB in the beginning and 212.6 MB in the end (delta: -129.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-08-10 06:00:06,183 INFO L168 Benchmark]: RCFGBuilder took 5806.07 ms. Allocated memory was 268.4 MB in the beginning and 379.6 MB in the end (delta: 111.1 MB). Free memory was 210.4 MB in the beginning and 140.4 MB in the end (delta: 69.9 MB). Peak memory consumption was 270.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:00:06,184 INFO L168 Benchmark]: Symbolic Interpretation took 116887.37 ms. Allocated memory was 379.6 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 140.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-08-10 06:00:06,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4028]: 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 262822#(and (= 0 (mod main_~assert__arg~12 256)) (= main_~assert__arg~12 main_~__tmp_13~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 10734]: 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 22138#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= ~nomsg~0 main_~node3__m3~64)) (= 0 ~mode3~0) (not (= 0 (mod ~alive3~0 256))) (= main_~node4__m4~61 ~id4~0) (not (= 0 (mod ~alive4~0 256))) (or (and (= 0 ~mode1~0) (= main_~node1__m1~40 ~send1~0) (= (mod ~alive1~0 256) 0) (not (= main_~node1__m1~40 ~nomsg~0))) (and (= 0 ~mode1~0) (= main_~node1__m1~40 ~nomsg~0))) (= ~p3_new~0 ~nomsg~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_54~0) (= 0 (mod main_~assert__arg~53 256)) (= main_~assert__arg~53 main_~__tmp_54~0) (= ~nomsg~0 main_~node2__m2~38) (= main_~main__c1~0 ~__return_3419~0) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~63) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~63 ~__return_3419~0) (= ~st4~0 1) (not (= ~nomsg~0 main_~node4__m4~61)) (not (< ~id4~0 main_~node4__m4~61)) (= ~st3~0 1) (not (< ~id3~0 main_~node3__m3~64)) (= 0 ~mode4~0) (= 0 ~mode2~0) (= ~id3~0 main_~node3__m3~64)). Possible FailurePath: - PositiveResult [Line: 9379]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 4673]: 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 263370#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_17~0) (= 0 (mod main_~assert__arg~16 256)) (= main_~assert__arg~16 main_~__tmp_17~0) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_4643~0) (= ~p3_new~0 ~nomsg~0) (= main_~check__tmp~23 ~__return_4643~0) (= 0 main_~check__tmp~23) (or (and (= ~nomsg~0 main_~node4__m4~24) (or (= ~mode3~0 0) (and (= ~mode3~0 0) (= ~st2~0 1) (= ~mode2~0 0) (= ~mode1~0 0) (= ~st1~0 1))) (= 0 ~mode4~0)) (= ~mode4~0 0))). Possible FailurePath: - UnprovableResult [Line: 7997]: 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 263311#(and (= main_~assert__arg~35 main_~__tmp_36~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (and (= ~send2~0 main_~node2__m2~25) (not (< ~id1~0 main_~node1__m1~26)) (not (= main_~node1__m1~26 ~nomsg~0)) (= 0 ~mode1~0) (not (= (mod ~alive1~0 256) 0)) (= main_~node1__m1~26 ~id1~0) (= (mod ~alive2~0 256) 0) (= 0 ~mode2~0) (not (= ~nomsg~0 main_~node2__m2~25)) (= ~st1~0 1)) (and (not (< ~id1~0 main_~node1__m1~26)) (not (= main_~node1__m1~26 ~nomsg~0)) (= 0 ~mode1~0) (= ~nomsg~0 main_~node2__m2~25) (not (= (mod ~alive1~0 256) 0)) (= main_~node1__m1~26 ~id1~0) (= 0 ~mode2~0) (= ~st1~0 1))) (= 0 (mod main_~assert__arg~35 256)) (= main_~check__tmp~45 ~__return_8595~0) (= ~nomsg~0 main_~node3__m3~51) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= main_~main__c1~0 ~__return_8595~0) (not (= ~nomsg~0 main_~node4__m4~45)) (not (= 0 (mod ~alive4~0 256))) (= main_~node4__m4~45 ~id4~0) (not (< ~id4~0 main_~node4__m4~45)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_36~0) (= ~p3_new~0 ~nomsg~0) (= 0 main_~check__tmp~45) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 6752]: 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 263250#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_28~0) (= main_~main__c1~0 ~__return_5623~0) (= main_~assert__arg~27 main_~__tmp_28~0) (= ~mode3~0 0) (= ~nomsg~0 main_~node4__m4~38) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~37) (= ~mode1~0 0) (= 0 (mod main_~assert__arg~27 256)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~37 ~__return_5623~0) (= ~st2~0 1) (= ~mode2~0 0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= ~st1~0 1)). Possible FailurePath: - UnprovableResult [Line: 2159]: 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 263451#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~mode3~0 0) (= 0 main_~check__tmp~10) (= main_~main__c1~0 ~__return_6897~0) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~nomsg~0 ~p4_new~0) (= ~mode1~0 0) (= ~mode4~0 0) (= (mod main_~assert__arg~5 256) 0) (= main_~__tmp_6~0 main_~assert__arg~5) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~10 ~__return_6897~0) (= ~st2~0 1) (= ~st3~0 1) (= ~mode2~0 0) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2212.71 ms. Allocated memory was 132.1 MB in the beginning and 221.2 MB in the end (delta: 89.1 MB). Free memory was 77.5 MB in the beginning and 83.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 344.97 ms. Allocated memory was 221.2 MB in the beginning and 268.4 MB in the end (delta: 47.2 MB). Free memory was 83.1 MB in the beginning and 212.6 MB in the end (delta: -129.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5806.07 ms. Allocated memory was 268.4 MB in the beginning and 379.6 MB in the end (delta: 111.1 MB). Free memory was 210.4 MB in the beginning and 140.4 MB in the end (delta: 69.9 MB). Peak memory consumption was 270.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 116887.37 ms. Allocated memory was 379.6 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 140.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...