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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:44:27,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:44:27,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:44:27,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:44:27,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:44:27,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:44:27,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:44:27,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:44:27,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:44:27,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:44:27,304 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:44:27,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:44:27,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:44:27,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:44:27,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:44:27,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:44:27,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:44:27,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:44:27,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:44:27,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:44:27,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:44:27,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:44:27,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:44:27,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:44:27,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:44:27,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:44:27,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:44:27,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:44:27,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:44:27,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:44:27,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:44:27,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:44:27,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:44:27,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:44:27,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:44:27,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:44:27,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:44:27,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:44:27,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:44:27,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:44:27,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:44:27,336 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 06:44:27,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:44:27,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:44:27,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:44:27,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:44:27,353 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:44:27,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:44:27,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:44:27,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:44:27,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:44:27,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:44:27,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:44:27,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:44:27,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:44:27,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:44:27,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:44:27,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:44:27,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:44:27,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:44:27,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:44:27,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:44:27,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:44:27,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:44:27,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:44:27,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:44:27,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:44:27,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:44:27,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:44:27,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:44:27,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:44:27,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:44:27,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:44:27,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:44:27,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:44:27,408 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:44:27,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:44:27,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebbf1c444/87a2abc1c8ba4c4a9ba6bdd40df2dd92/FLAGec2b57454 [2019-08-10 06:44:28,041 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:44:28,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:44:28,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebbf1c444/87a2abc1c8ba4c4a9ba6bdd40df2dd92/FLAGec2b57454 [2019-08-10 06:44:28,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebbf1c444/87a2abc1c8ba4c4a9ba6bdd40df2dd92 [2019-08-10 06:44:28,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:44:28,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:44:28,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:44:28,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:44:28,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:44:28,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:44:28" (1/1) ... [2019-08-10 06:44:28,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65111b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:28, skipping insertion in model container [2019-08-10 06:44:28,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:44:28" (1/1) ... [2019-08-10 06:44:28,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:44:28,403 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:44:29,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:44:29,160 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:44:29,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:44:29,444 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:44:29,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29 WrapperNode [2019-08-10 06:44:29,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:44:29,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:44:29,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:44:29,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:44:29,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (1/1) ... [2019-08-10 06:44:29,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:44:29,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:44:29,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:44:29,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:44:29,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:44:29" (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 06:44:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:44:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:44:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:44:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:44:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:44:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:44:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:44:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:44:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:44:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:44:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:44:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:44:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:44:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:44:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:44:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:44:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:44:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:44:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:44:31,416 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:44:31,417 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:44:31,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:44:31 BoogieIcfgContainer [2019-08-10 06:44:31,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:44:31,420 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:44:31,421 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:44:31,421 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:44:31,423 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:44:31" (1/1) ... [2019-08-10 06:44:31,988 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-10 06:44:32,340 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-08-10 06:57:59,968 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:57:59,985 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:57:59,989 INFO L168 Benchmark]: Toolchain (without parser) took 811689.41 ms. Allocated memory was 137.9 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 83.9 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. [2019-08-10 06:57:59,990 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 103.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-10 06:57:59,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1145.44 ms. Allocated memory was 137.9 MB in the beginning and 211.8 MB in the end (delta: 73.9 MB). Free memory was 83.5 MB in the beginning and 182.4 MB in the end (delta: -98.9 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2019-08-10 06:57:59,992 INFO L168 Benchmark]: Boogie Preprocessor took 170.09 ms. Allocated memory is still 211.8 MB. Free memory was 182.4 MB in the beginning and 176.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-10 06:57:59,993 INFO L168 Benchmark]: RCFGBuilder took 1803.55 ms. Allocated memory was 211.8 MB in the beginning and 282.1 MB in the end (delta: 70.3 MB). Free memory was 176.4 MB in the beginning and 190.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-08-10 06:57:59,994 INFO L168 Benchmark]: Symbolic Interpretation took 808565.98 ms. Allocated memory was 282.1 MB in the beginning and 3.7 GB in the end (delta: 3.4 GB). Free memory was 190.1 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. [2019-08-10 06:58:00,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 889]: 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 7634463#(and (= ~nomsg~0 ~p13_new~0) (= 0 (mod main_~assert__arg~3 256)) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~__return_3084~0 main_~check__tmp~3) (= main_~__tmp_4~0 main_~assert__arg~3) (= (mod ~r3~0 256) 2) (= main_~main__c1~0 ~__return_3084~0) (= ~max3~0 ~id3~0) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= ~newmax3~0 main_~node3__newmax~3) (= 0 ~mode3~0) (= ~nomsg~0 ~p21_new~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st3~0 1) (= 0 main_~check__tmp~3) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1949]: 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 7633605#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~newmax3~0 main_~node3__newmax~6) (= main_~__tmp_8~0 main_~assert__arg~7) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= 0 ~mode3~0) (= 0 main_~check__tmp~8) (= ~__return_2840~0 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) (= main_~main__c1~0 ~__return_2840~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 934]: 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 7632746#(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)) (= (mod ~r3~0 256) 2) (not (= ~max3~0 ~id3~0)) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= ~newmax3~0 main_~node3__newmax~3) (= 0 ~mode3~0) (= 0 (mod main_~assert__arg~4 256)) (= ~__return_3053~0 main_~check__tmp~4) (= ~nl3~0 1) (= main_~main__c1~0 ~__return_3053~0) (= ~nomsg~0 ~p21_new~0) (= 0 main_~check__tmp~4) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1114]: 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 7611721#(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))). Possible FailurePath: - UnprovableResult [Line: 1049]: 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 7635920#(and (= ~__return_2989~0 main_~check__tmp~5) (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2989~0) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= (mod ~r3~0 256) 2) (= 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)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 103.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1145.44 ms. Allocated memory was 137.9 MB in the beginning and 211.8 MB in the end (delta: 73.9 MB). Free memory was 83.5 MB in the beginning and 182.4 MB in the end (delta: -98.9 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.09 ms. Allocated memory is still 211.8 MB. Free memory was 182.4 MB in the beginning and 176.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1803.55 ms. Allocated memory was 211.8 MB in the beginning and 282.1 MB in the end (delta: 70.3 MB). Free memory was 176.4 MB in the beginning and 190.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 808565.98 ms. Allocated memory was 282.1 MB in the beginning and 3.7 GB in the end (delta: 3.4 GB). Free memory was 190.1 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...