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+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:16:44,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:16:44,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:16:44,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:16:44,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:16:44,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:16:44,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:16:44,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:16:44,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:16:44,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:16:44,881 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:16:44,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:16:44,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:16:44,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:16:44,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:16:44,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:16:44,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:16:44,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:16:44,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:16:44,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:16:44,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:16:44,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:16:44,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:16:44,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:16:44,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:16:44,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:16:44,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:16:44,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:16:44,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:16:44,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:16:44,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:16:44,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:16:44,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:16:44,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:16:44,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:16:44,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:16:44,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:16:44,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:16:44,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:16:44,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:16:44,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:16:44,908 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 06:16:44,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:16:44,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:16:44,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:16:44,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:16:44,925 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:16:44,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:16:44,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:16:44,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:16:44,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:16:44,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:16:44,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:16:44,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:16:44,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:16:44,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:16:44,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:16:44,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:16:44,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:16:44,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:16:44,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:16:44,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:16:44,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:16:44,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:16:44,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:16:44,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:16:44,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:16:44,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:16:44,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:16:44,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:16:44,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:16:44,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:16:44,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:16:44,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:16:44,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:16:44,977 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:16:44,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 06:16:45,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1004f41e5/130d592117d7462caf5df61de056fdce/FLAG52e6df032 [2019-08-10 06:16:45,645 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:16:45,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 06:16:45,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1004f41e5/130d592117d7462caf5df61de056fdce/FLAG52e6df032 [2019-08-10 06:16:45,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1004f41e5/130d592117d7462caf5df61de056fdce [2019-08-10 06:16:45,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:16:45,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:16:45,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:16:45,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:16:45,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:16:45,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:16:45" (1/1) ... [2019-08-10 06:16:45,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799608e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:45, skipping insertion in model container [2019-08-10 06:16:45,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:16:45" (1/1) ... [2019-08-10 06:16:45,919 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:16:46,020 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:16:46,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:16:46,708 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:16:47,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:16:47,106 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:16:47,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47 WrapperNode [2019-08-10 06:16:47,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:16:47,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:16:47,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:16:47,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:16:47,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (1/1) ... [2019-08-10 06:16:47,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:16:47,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:16:47,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:16:47,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:16:47,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:16:47" (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 06:16:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:16:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:16:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:16:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:16:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:16:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:16:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:16:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:16:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:16:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:16:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:16:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:16:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:16:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:16:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:16:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:16:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:16:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:16:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:16:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:16:49,293 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:16:49,294 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:16:49,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:16:49 BoogieIcfgContainer [2019-08-10 06:16:49,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:16:49,296 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:16:49,296 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:16:49,296 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:16:49,297 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:16:49" (1/1) ... [2019-08-10 06:16:49,851 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-08-10 06:16:50,230 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-08-10 06:21:43,567 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:21:43,575 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:21:43,577 INFO L168 Benchmark]: Toolchain (without parser) took 297675.63 ms. Allocated memory was 131.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 84.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-08-10 06:21:43,578 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 06:21:43,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1204.94 ms. Allocated memory was 131.6 MB in the beginning and 211.3 MB in the end (delta: 79.7 MB). Free memory was 84.4 MB in the beginning and 160.0 MB in the end (delta: -75.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-08-10 06:21:43,580 INFO L168 Benchmark]: Boogie Preprocessor took 148.28 ms. Allocated memory is still 211.3 MB. Free memory was 160.0 MB in the beginning and 153.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-08-10 06:21:43,581 INFO L168 Benchmark]: RCFGBuilder took 2039.11 ms. Allocated memory was 211.3 MB in the beginning and 268.4 MB in the end (delta: 57.1 MB). Free memory was 153.0 MB in the beginning and 114.7 MB in the end (delta: 38.3 MB). Peak memory consumption was 95.5 MB. Max. memory is 7.1 GB. [2019-08-10 06:21:43,582 INFO L168 Benchmark]: Symbolic Interpretation took 294278.98 ms. Allocated memory was 268.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 114.7 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-08-10 06:21:43,587 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3732]: 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 201896#(and (= (mod main_~assert__arg~23 256) 0) (or (and (= main_~main__c1~0 ~__return_1141~0) (exists ((v_~r1~0_1687 Int)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (= 0 ~mode1~0) (= ~st4~0 1) (not (= 0 (mod main_~assert__arg~22 256))) (= ~nomsg~0 main_~node2__m2~15) (= ~nomsg~0 main_~node3__m3~17) (= ~p3_new~0 ~nomsg~0) (not (= 255 (mod v_~r1~0_1687 256))) (= main_~node1__m1~14 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (= (+ (mod v_~r1~0_1687 256) 1) ~r1~0))) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~27) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_24~0) (= main_~check__tmp~27 ~__return_1141~0) (= main_~assert__arg~23 main_~__tmp_24~0)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= main_~main__c1~0 ~__return_1141~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (not (<= 4 (mod ~r1~0 256))) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~23 main_~__tmp_24~0) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= ~st4~0 1) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~27) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_24~0) (= main_~check__tmp~27 ~__return_1141~0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)))). Possible FailurePath: - UnprovableResult [Line: 1690]: 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 114660#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 main_~check__tmp~11) (not (< ~id4~0 main_~node4__m4~8)) (or (and (= ~mode3~0 0) (= ~st2~0 1) (= ~mode2~0 0)) (= ~mode3~0 0)) (= main_~__tmp_8~0 main_~assert__arg~7) (= ~nomsg~0 ~p4_new~0) (= ~id4~0 main_~node4__m4~8) (not (= ~nomsg~0 main_~node4__m4~8)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= main_~main__c1~0 ~__return_1998~0) (= main_~check__tmp~11 ~__return_1998~0) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 3983]: 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 201754#(or (and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= main_~check__tmp~29 ~__return_1048~0) (= 0 main_~check__tmp~29) (= main_~assert__arg~25 main_~__tmp_26~0) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_26~0) (= main_~main__c1~0 ~__return_1048~0) (= (mod main_~assert__arg~25 256) 0) (or (and (exists ((v_~r1~0_1782 Int)) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (= ~mode4~0 0)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 main_~node4__m4~19) (not (= 0 (mod main_~assert__arg~20 256))) (= ~nomsg~0 main_~node2__m2~14) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (not (= 255 (mod v_~r1~0_1782 256))) (= 0 ~mode1~0) (= (+ (mod v_~r1~0_1782 256) 1) ~r1~0) (= ~nomsg~0 main_~node3__m3~16) (= main_~node1__m1~13 ~id1~0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= main_~node1__m1~13 ~nomsg~0)) (not (< ~id1~0 main_~node1__m1~13)) (= ~st1~0 1)))) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (exists ((v_~r1~0_144 Int)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= 0 (mod main_~assert__arg~8 256))) (not (= (mod v_~r1~0_144 256) 255)) (= ~nomsg~0 main_~node3__m3~18) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (= main_~node1__m1~7 ~id1~0) (= ~nomsg~0 main_~node4__m4~22) (= 0 ~mode1~0) (not (< ~id1~0 main_~node1__m1~7)) (= ~r1~0 (+ (mod v_~r1~0_144 256) 1)) (not (= main_~node1__m1~7 ~nomsg~0)) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 main_~node2__m2~7) (= 0 ~mode2~0) (= 0 ~mode4~0) (= ~st1~0 1)))))) (and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= main_~check__tmp~29 ~__return_1048~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~29) (= main_~assert__arg~25 main_~__tmp_26~0) (exists ((v_~r1~0_1606 Int)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 main_~node3__m3~18) (= (+ (mod v_~r1~0_1606 256) 1) ~r1~0) (= ~nomsg~0 main_~node2__m2~16) (= ~nomsg~0 ~p4_new~0) (= main_~node1__m1~15 ~id1~0) (= 0 ~mode3~0) (not (= (mod main_~assert__arg~24 256) 0)) (= ~nomsg~0 main_~node4__m4~22) (= 0 ~mode1~0) (not (< ~id1~0 main_~node1__m1~15)) (not (= main_~node1__m1~15 ~nomsg~0)) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 255 (mod v_~r1~0_1606 256))) (= ~st1~0 1))) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_26~0) (= main_~main__c1~0 ~__return_1048~0) (= (mod main_~assert__arg~25 256) 0))). Possible FailurePath: - UnprovableResult [Line: 1173]: 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 114630#(= main_~check__tmp~7 0). Possible FailurePath: - UnprovableResult [Line: 2185]: 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 114584#(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) 0)) (not (<= 4 (mod ~r1~0 256))) (= ~nomsg~0 ~p4_new~0) (= ~mode4~0 0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~assert__arg~11 main_~__tmp_12~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (= main_~check__tmp~15 ~__return_1784~0) (= ~p3_new~0 ~nomsg~0) (= main_~main__c1~0 ~__return_1784~0) (= 0 main_~check__tmp~15)). Possible FailurePath: - UnprovableResult [Line: 2985]: 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 141158#(and (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= 0 main_~check__tmp~21) (= main_~main__c1~0 ~__return_1451~0) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0)) (exists ((v_~r1~0_1066 Int)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= main_~node1__m1~11 ~nomsg~0)) (not (< ~id1~0 main_~node1__m1~11)) (= ~nomsg~0 main_~node4__m4~16) (= ~nomsg~0 ~p4_new~0) (= (+ (mod v_~r1~0_1066 256) 1) ~r1~0) (= 0 ~mode3~0) (= 0 ~mode1~0) (= main_~node1__m1~11 ~id1~0) (not (= ~nomsg~0 main_~node3__m3~13)) (not (= 255 (mod v_~r1~0_1066 256))) (= ~st3~0 1) (= ~id3~0 main_~node3__m3~13) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 main_~node2__m2~12) (not (< ~id3~0 main_~node3__m3~13)) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= 0 (mod main_~assert__arg~16 256))) (= ~st1~0 1)))) (= main_~assert__arg~17 main_~__tmp_18~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_18~0) (= 0 (mod main_~assert__arg~17 256)) (= main_~check__tmp~21 ~__return_1451~0)). Possible FailurePath: - UnprovableResult [Line: 3224]: 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 154928#(and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= 0 (mod main_~assert__arg~19 256)) (= main_~check__tmp~23 ~__return_1344~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~main__c1~0 ~__return_1344~0) (or (exists ((v_~r1~0_1065 Int)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (= 0 (mod main_~assert__arg~18 256))) (not (= 255 (mod v_~r1~0_1065 256))) (not (< ~id3~0 main_~node3__m3~14)) (not (= ~nomsg~0 main_~node3__m3~14)) (= ~r1~0 (+ (mod v_~r1~0_1065 256) 1)) (= main_~node1__m1~12 ~nomsg~0) (= ~nomsg~0 ~p4_new~0) (= 0 ~mode3~0) (= ~nomsg~0 main_~node2__m2~13) (= ~id3~0 main_~node3__m3~14) (= 0 ~mode1~0) (= ~st3~0 1) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 main_~node4__m4~17) (= 0 ~mode2~0) (= 0 ~mode4~0))) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (= ~mode4~0 0))) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_20~0) (= main_~assert__arg~19 main_~__tmp_20~0) (= 0 main_~check__tmp~23)). Possible FailurePath: - UnprovableResult [Line: 1946]: 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 87062#true. Possible FailurePath: - UnprovableResult [Line: 2729]: 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 154949#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (< ~id4~0 main_~node4__m4~14)) (= 0 main_~check__tmp~19) (not (< ~id3~0 main_~node3__m3~12)) (not (= ~nomsg~0 main_~node4__m4~14)) (= main_~assert__arg~15 main_~__tmp_16~0) (= ~nomsg~0 ~p4_new~0) (not (= ~nomsg~0 main_~node3__m3~12)) (= ~id3~0 main_~node3__m3~12) (= 0 ~mode3~0) (= main_~node4__m4~14 ~id4~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= main_~main__c1~0 ~__return_1561~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_16~0) (= ~st3~0 1) (= ~mode2~0 0) (= 0 (mod main_~assert__arg~15 256)) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= main_~check__tmp~19 ~__return_1561~0)). Possible FailurePath: - UnprovableResult [Line: 3492]: 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 201630#(and (= 0 main_~check__tmp~25) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_1248~0) (= main_~assert__arg~21 main_~__tmp_22~0) (= main_~check__tmp~25 ~__return_1248~0) (= (mod main_~assert__arg~21 256) 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_22~0) (or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id4~0 main_~node4__m4~19)) (= main_~node4__m4~19 ~id4~0) (= ~st4~0 1) (= ~mode3~0 0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (not (= ~nomsg~0 main_~node4__m4~19)) (= 0 ~mode4~0)) (exists ((v_~r1~0_1782 Int)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id4~0 main_~node4__m4~19)) (not (= 0 (mod main_~assert__arg~20 256))) (= ~nomsg~0 main_~node2__m2~14) (= ~nomsg~0 ~p4_new~0) (not (= ~nomsg~0 main_~node4__m4~19)) (= 0 ~mode3~0) (= main_~node4__m4~19 ~id4~0) (not (= 255 (mod v_~r1~0_1782 256))) (= 0 ~mode1~0) (= ~st4~0 1) (= (+ (mod v_~r1~0_1782 256) 1) ~r1~0) (= ~nomsg~0 main_~node3__m3~16) (= main_~node1__m1~13 ~id1~0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (not (= main_~node1__m1~13 ~nomsg~0)) (not (< ~id1~0 main_~node1__m1~13)) (= ~st1~0 1))))). Possible FailurePath: - UnprovableResult [Line: 2479]: 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 213872#(= (mod main_~assert__arg~13 256) 0). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1204.94 ms. Allocated memory was 131.6 MB in the beginning and 211.3 MB in the end (delta: 79.7 MB). Free memory was 84.4 MB in the beginning and 160.0 MB in the end (delta: -75.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.28 ms. Allocated memory is still 211.3 MB. Free memory was 160.0 MB in the beginning and 153.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2039.11 ms. Allocated memory was 211.3 MB in the beginning and 268.4 MB in the end (delta: 57.1 MB). Free memory was 153.0 MB in the beginning and 114.7 MB in the end (delta: 38.3 MB). Peak memory consumption was 95.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 294278.98 ms. Allocated memory was 268.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 114.7 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...