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_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:52:02,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:52:02,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:52:02,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:52:02,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:52:02,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:52:02,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:52:02,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:52:02,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:52:02,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:52:02,999 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:52:03,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:52:03,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:52:03,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:52:03,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:52:03,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:52:03,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:52:03,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:52:03,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:52:03,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:52:03,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:52:03,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:52:03,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:52:03,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:52:03,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:52:03,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:52:03,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:52:03,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:52:03,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:52:03,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:52:03,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:52:03,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:52:03,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:52:03,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:52:03,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:52:03,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:52:03,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:52:03,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:52:03,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:52:03,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:52:03,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:52:03,045 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 06:52:03,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:52:03,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:52:03,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:52:03,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:52:03,069 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:52:03,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:52:03,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:52:03,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:52:03,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:52:03,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:52:03,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:52:03,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:52:03,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:52:03,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:52:03,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:52:03,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:52:03,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:52:03,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:52:03,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:52:03,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:52:03,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:52:03,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:52:03,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:52:03,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:52:03,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:52:03,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:52:03,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:52:03,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:52:03,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:52:03,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:52:03,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:52:03,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:52:03,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:52:03,121 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:52:03,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-08-10 06:52:03,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2521b3d/d023250423bc492eb3775900233df8bd/FLAG5ebb08815 [2019-08-10 06:52:03,774 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:52:03,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-08-10 06:52:03,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2521b3d/d023250423bc492eb3775900233df8bd/FLAG5ebb08815 [2019-08-10 06:52:03,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2521b3d/d023250423bc492eb3775900233df8bd [2019-08-10 06:52:04,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:52:04,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:52:04,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:52:04,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:52:04,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:52:04,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:52:03" (1/1) ... [2019-08-10 06:52:04,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c9560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:04, skipping insertion in model container [2019-08-10 06:52:04,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:52:03" (1/1) ... [2019-08-10 06:52:04,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:52:04,110 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:52:04,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:52:04,803 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:52:05,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:52:05,260 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:52:05,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05 WrapperNode [2019-08-10 06:52:05,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:52:05,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:52:05,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:52:05,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:52:05,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (1/1) ... [2019-08-10 06:52:05,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:52:05,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:52:05,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:52:05,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:52:05,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:52:05" (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 06:52:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:52:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:52:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:52:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:52:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:52:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:52:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:52:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:52:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:52:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:52:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:52:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:52:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:52:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:52:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:52:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:52:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:52:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:52:07,236 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:52:07,237 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:52:07,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:52:07 BoogieIcfgContainer [2019-08-10 06:52:07,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:52:07,239 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:52:07,239 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:52:07,240 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:52:07,241 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:52:07" (1/1) ... [2019-08-10 06:52:07,726 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-08-10 06:52:08,120 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-10 06:53:28,625 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:53:28,633 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:53:28,635 INFO L168 Benchmark]: Toolchain (without parser) took 84627.38 ms. Allocated memory was 132.1 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 86.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-08-10 06:53:28,636 INFO L168 Benchmark]: CDTParser took 0.25 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 06:53:28,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1252.59 ms. Allocated memory was 132.1 MB in the beginning and 208.7 MB in the end (delta: 76.5 MB). Free memory was 86.3 MB in the beginning and 176.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. [2019-08-10 06:53:28,638 INFO L168 Benchmark]: Boogie Preprocessor took 104.11 ms. Allocated memory is still 208.7 MB. Free memory was 176.3 MB in the beginning and 171.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-10 06:53:28,639 INFO L168 Benchmark]: RCFGBuilder took 1872.86 ms. Allocated memory was 208.7 MB in the beginning and 281.5 MB in the end (delta: 72.9 MB). Free memory was 170.3 MB in the beginning and 190.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2019-08-10 06:53:28,640 INFO L168 Benchmark]: Symbolic Interpretation took 81393.93 ms. Allocated memory was 281.5 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-08-10 06:53:28,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1883]: 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 657710#(and (= ~nomsg~0 ~p13_new~0) (= main_~main__c1~0 ~__return_2803~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~newmax3~0 main_~node3__newmax~6) (= main_~__tmp_8~0 main_~assert__arg~7) (= ~max3~0 ~id3~0) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= ~__return_2803~0 main_~check__tmp~8) (= 0 ~mode3~0) (= 0 main_~check__tmp~8) (= ~nomsg~0 ~p21_new~0) (= ~st3~0 1) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0) (= 2 ~r3~0)). Possible FailurePath: - UnprovableResult [Line: 858]: 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 660092#(and (= ~nomsg~0 ~p13_new~0) (= 0 (mod main_~assert__arg~3 256)) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_4~0 main_~assert__arg~3) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= ~newmax3~0 main_~node3__newmax~3) (= ~__return_3044~0 main_~check__tmp~3) (= 0 ~mode3~0) (= ~nomsg~0 ~p21_new~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st3~0 1) (= main_~main__c1~0 ~__return_3044~0) (= 0 main_~check__tmp~3) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0) (= 2 ~r3~0)). Possible FailurePath: - UnprovableResult [Line: 903]: 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 658672#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_5~0 main_~assert__arg~4) (= main_~__tmp_5~0 (ite (= main_~main__c1~0 0) 0 1)) (not (= ~max3~0 ~id3~0)) (= ~__return_3013~0 main_~check__tmp~4) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= ~newmax3~0 main_~node3__newmax~3) (= main_~main__c1~0 ~__return_3013~0) (= 0 ~mode3~0) (= 0 (mod main_~assert__arg~4 256)) (= ~nl3~0 1) (= ~nomsg~0 ~p21_new~0) (= 0 main_~check__tmp~4) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0) (= 2 ~r3~0)). Possible FailurePath: - UnprovableResult [Line: 1078]: 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 628296#(and (= (mod main_~assert__arg~6 256) 0) (= main_~__tmp_7~0 main_~assert__arg~6) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__tmp_2395_0~0 main_~main____CPAchecker_TMP_0~2)). Possible FailurePath: - UnprovableResult [Line: 1011]: 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 653393#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2950~0) (= ~__return_2950~0 main_~check__tmp~5) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~5) (= ~max3~0 ~id3~0) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= (mod main_~assert__arg~5 256) 0) (= 0 ~mode3~0) (= main_~__tmp_6~0 main_~assert__arg~5) (= ~nomsg~0 ~p21_new~0) (= ~st3~0 1) (= ~newmax3~0 main_~node3__newmax~4) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0) (= 2 ~r3~0)). 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 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1252.59 ms. Allocated memory was 132.1 MB in the beginning and 208.7 MB in the end (delta: 76.5 MB). Free memory was 86.3 MB in the beginning and 176.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.11 ms. Allocated memory is still 208.7 MB. Free memory was 176.3 MB in the beginning and 171.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1872.86 ms. Allocated memory was 208.7 MB in the beginning and 281.5 MB in the end (delta: 72.9 MB). Free memory was 170.3 MB in the beginning and 190.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 81393.93 ms. Allocated memory was 281.5 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: -1.4 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...