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.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:16:27,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:16:27,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:16:27,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:16:27,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:16:27,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:16:27,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:16:27,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:16:27,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:16:27,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:16:27,773 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:16:27,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:16:27,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:16:27,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:16:27,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:16:27,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:16:27,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:16:27,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:16:27,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:16:27,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:16:27,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:16:27,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:16:27,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:16:27,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:16:27,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:16:27,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:16:27,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:16:27,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:16:27,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:16:27,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:16:27,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:16:27,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:16:27,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:16:27,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:16:27,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:16:27,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:16:27,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:16:27,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:16:27,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:16:27,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:16:27,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:16:27,800 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 06:16:27,818 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:16:27,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:16:27,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:16:27,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:16:27,820 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:16:27,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:16:27,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:16:27,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:16:27,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:16:27,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:16:27,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:16:27,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:16:27,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:16:27,823 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:16:27,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:16:27,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:16:27,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:16:27,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:16:27,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:16:27,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:16:27,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:16:27,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:16:27,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:16:27,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:16:27,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:16:27,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:16:27,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:16:27,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:16:27,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:16:27,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:16:27,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:16:27,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:16:27,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:16:27,882 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:16:27,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:16:27,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8bcf1e48/a13f4b3b8428439985556450073ee091/FLAGc875347e9 [2019-08-10 06:16:28,569 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:16:28,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:16:28,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8bcf1e48/a13f4b3b8428439985556450073ee091/FLAGc875347e9 [2019-08-10 06:16:28,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8bcf1e48/a13f4b3b8428439985556450073ee091 [2019-08-10 06:16:28,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:16:28,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:16:28,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:16:28,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:16:28,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:16:28,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:16:28" (1/1) ... [2019-08-10 06:16:28,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5c2b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:28, skipping insertion in model container [2019-08-10 06:16:28,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:16:28" (1/1) ... [2019-08-10 06:16:28,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:16:28,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:16:29,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:16:29,562 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:16:29,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:16:29,778 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:16:29,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29 WrapperNode [2019-08-10 06:16:29,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:16:29,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:16:29,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:16:29,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:16:29,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (1/1) ... [2019-08-10 06:16:29,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:16:29,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:16:29,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:16:29,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:16:29,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:29" (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 06:16:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:16:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:16:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:16:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:16:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:16:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:16:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:16:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:16:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:16:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:16:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:16:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:16:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:16:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:16:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:16:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:16:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:16:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:16:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:16:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:16:31,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:16:31,705 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:16:31,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:16:31 BoogieIcfgContainer [2019-08-10 06:16:31,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:16:31,707 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:16:31,707 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:16:31,708 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:16:31,709 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:16:31" (1/1) ... [2019-08-10 06:16:32,255 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-08-10 06:16:32,598 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-08-10 06:16:35,078 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:16:35,087 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:16:35,090 INFO L168 Benchmark]: Toolchain (without parser) took 6302.46 ms. Allocated memory was 132.1 MB in the beginning and 417.9 MB in the end (delta: 285.7 MB). Free memory was 86.4 MB in the beginning and 329.2 MB in the end (delta: -242.8 MB). Peak memory consumption was 236.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:16:35,091 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-10 06:16:35,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 991.63 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 86.2 MB in the beginning and 157.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-08-10 06:16:35,093 INFO L168 Benchmark]: Boogie Preprocessor took 152.58 ms. Allocated memory is still 201.3 MB. Free memory was 157.9 MB in the beginning and 152.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:16:35,094 INFO L168 Benchmark]: RCFGBuilder took 1773.39 ms. Allocated memory was 201.3 MB in the beginning and 223.9 MB in the end (delta: 22.5 MB). Free memory was 152.9 MB in the beginning and 123.1 MB in the end (delta: 29.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-08-10 06:16:35,095 INFO L168 Benchmark]: Symbolic Interpretation took 3380.58 ms. Allocated memory was 223.9 MB in the beginning and 417.9 MB in the end (delta: 194.0 MB). Free memory was 123.1 MB in the beginning and 329.2 MB in the end (delta: -206.1 MB). Peak memory consumption was 181.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:16:35,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1017]: 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 4226#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= (mod main_~assert__arg~6 256) 0) (= ~__return_3972~0 main_~check__tmp~6) (not (<= 4 (mod ~r1~0 256))) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~6) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~main__c1~0 ~__return_3972~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~__tmp_7~0 main_~assert__arg~6) (= ~p3_new~0 ~nomsg~0) (or (and (= ~nomsg~0 main_~node4__m4~4) (= 0 ~mode4~0)) (and (or (and (< ~id4~0 main_~node4__m4~4) (= ~send4~0 main_~node4__m4~4) (not (= ~nomsg~0 main_~node4__m4~4))) (and (not (< ~id4~0 main_~node4__m4~4)) (not (= ~id4~0 main_~node4__m4~4)) (not (= ~nomsg~0 main_~node4__m4~4)))) (= 0 ~mode4~0)))). Possible FailurePath: - UnprovableResult [Line: 900]: 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 4459#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~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) (= ~__return_3767~0 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)) (= main_~main__c1~0 ~__return_3767~0) (= ~st3~0 1) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 1142]: 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 4419#(and (= 0 (mod main_~assert__arg~8 256)) (= main_~main__c1~0 ~__return_4324~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_9~0 main_~assert__arg~8) (= ~__return_4324~0 main_~check__tmp~8) (= 0 main_~check__tmp~8) (= main_~__tmp_9~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: - UnprovableResult [Line: 473]: 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 4031#(and (= 0 (mod main_~assert__arg~2 256)) (= main_~__tmp_3~0 main_~assert__arg~2) (= main_~__tmp_3~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: - UnprovableResult [Line: 761]: 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 4183#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= ~__return_3414~0 main_~check__tmp~3) (= 0 (mod main_~assert__arg~3 256)) (or (and (= ~nomsg~0 main_~node3__m3~1) (= 0 ~mode3~0)) (and (or (and (not (= ~id3~0 main_~node3__m3~1)) (not (= ~nomsg~0 main_~node3__m3~1)) (not (< ~id3~0 main_~node3__m3~1))) (and (= ~send3~0 main_~node3__m3~1) (not (= ~nomsg~0 main_~node3__m3~1)) (< ~id3~0 main_~node3__m3~1))) (= 0 ~mode3~0))) (= main_~__tmp_4~0 main_~assert__arg~3) (= main_~main__c1~0 ~__return_3414~0) (not (<= 4 (mod ~r1~0 256))) (= ~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) (= ~p3_new~0 ~nomsg~0) (not (= ~nomsg~0 main_~node4__m4~1)) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 851]: 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 4132#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~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)) (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))) (= main_~main__c1~0 ~__return_3599~0) (not (<= 4 (mod ~r1~0 256))) (= ~nomsg~0 ~p4_new~0) (= 0 (mod main_~assert__arg~4 256)) (= ~__return_3599~0 main_~check__tmp~4) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~4) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1066]: 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 4379#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~__tmp_8~0 main_~assert__arg~7) (= ~__return_4150~0 main_~check__tmp~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)) (= ~st4~0 1) (= (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) (= main_~main__c1~0 ~__return_4150~0) (= ~id4~0 main_~node4__m4~4)). Possible FailurePath: - UnprovableResult [Line: 1446]: 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 4339#(and (= 0 (mod main_~assert__arg~11 256)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~12 ~__return_3681~0) (= main_~main__c1~0 ~__return_3681~0) (= 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)). Possible FailurePath: - UnprovableResult [Line: 1370]: 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 4299#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~check__tmp~11 ~__return_3484~0) (= 0 main_~check__tmp~11) (= main_~main__c1~0 ~__return_3484~0) (= 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) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= ~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: 1584]: 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 4266#(and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= 0 (mod main_~assert__arg~12 256)) (= 0 main_~check__tmp~14) (= main_~check__tmp~14 ~__return_4066~0) (= main_~assert__arg~12 main_~__tmp_13~0) (= main_~main__c1~0 ~__return_4066~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 1321]: 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 4089#(and (= (mod main_~assert__arg~9 256) 0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~main__c1~0 ~__return_3327~0) (= 0 main_~check__tmp~10) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (= main_~check__tmp~10 ~__return_3327~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 991.63 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 86.2 MB in the beginning and 157.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.58 ms. Allocated memory is still 201.3 MB. Free memory was 157.9 MB in the beginning and 152.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1773.39 ms. Allocated memory was 201.3 MB in the beginning and 223.9 MB in the end (delta: 22.5 MB). Free memory was 152.9 MB in the beginning and 123.1 MB in the end (delta: 29.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3380.58 ms. Allocated memory was 223.9 MB in the beginning and 417.9 MB in the end (delta: 194.0 MB). Free memory was 123.1 MB in the beginning and 329.2 MB in the end (delta: -206.1 MB). Peak memory consumption was 181.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...