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.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:53:31,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:53:31,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:53:31,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:53:31,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:53:31,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:53:31,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:53:31,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:53:31,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:53:31,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:53:31,234 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:53:31,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:53:31,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:53:31,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:53:31,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:53:31,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:53:31,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:53:31,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:53:31,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:53:31,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:53:31,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:53:31,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:53:31,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:53:31,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:53:31,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:53:31,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:53:31,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:53:31,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:53:31,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:53:31,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:53:31,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:53:31,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:53:31,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:53:31,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:53:31,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:53:31,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:53:31,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:53:31,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:53:31,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:53:31,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:53:31,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:53:31,260 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 06:53:31,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:53:31,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:53:31,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:53:31,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:53:31,276 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:53:31,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:53:31,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:53:31,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:53:31,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:53:31,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:53:31,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:53:31,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:53:31,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:53:31,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:53:31,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:53:31,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:53:31,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:53:31,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:53:31,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:53:31,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:53:31,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:53:31,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:53:31,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:53:31,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:53:31,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:53:31,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:53:31,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:53:31,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:53:31,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:53:31,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:53:31,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:53:31,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:53:31,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:53:31,333 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:53:31,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:53:31,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05599d5ed/f5d8f74d9a2a441fa9dbfb5894b9341d/FLAGaa0ee9cfe [2019-08-10 06:53:31,990 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:53:31,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 06:53:32,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05599d5ed/f5d8f74d9a2a441fa9dbfb5894b9341d/FLAGaa0ee9cfe [2019-08-10 06:53:32,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05599d5ed/f5d8f74d9a2a441fa9dbfb5894b9341d [2019-08-10 06:53:32,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:53:32,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:53:32,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:53:32,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:53:32,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:53:32,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:53:32" (1/1) ... [2019-08-10 06:53:32,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187f9bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:32, skipping insertion in model container [2019-08-10 06:53:32,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:53:32" (1/1) ... [2019-08-10 06:53:32,262 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:53:32,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:53:33,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:53:33,041 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:53:33,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:53:33,293 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:53:33,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33 WrapperNode [2019-08-10 06:53:33,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:53:33,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:53:33,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:53:33,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:53:33,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (1/1) ... [2019-08-10 06:53:33,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:53:33,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:53:33,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:53:33,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:53:33,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:53:33" (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 06:53:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:53:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:53:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:53:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:53:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:53:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:53:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:53:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:53:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:53:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:53:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:53:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:53:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:53:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:53:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:53:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:53:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:53:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:53:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:53:35,304 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:53:35,305 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:53:35,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:53:35 BoogieIcfgContainer [2019-08-10 06:53:35,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:53:35,307 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:53:35,307 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:53:35,308 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:53:35,308 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:53:35" (1/1) ... [2019-08-10 06:53:35,820 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-10 06:53:36,208 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-08-10 06:54:05,119 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:54:05,126 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:54:05,128 INFO L168 Benchmark]: Toolchain (without parser) took 32884.60 ms. Allocated memory was 131.1 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 84.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-10 06:54:05,129 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 06:54:05,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1048.24 ms. Allocated memory was 131.1 MB in the beginning and 210.8 MB in the end (delta: 79.7 MB). Free memory was 84.3 MB in the beginning and 179.9 MB in the end (delta: -95.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2019-08-10 06:54:05,131 INFO L168 Benchmark]: Boogie Preprocessor took 115.93 ms. Allocated memory is still 210.8 MB. Free memory was 179.9 MB in the beginning and 172.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-10 06:54:05,132 INFO L168 Benchmark]: RCFGBuilder took 1896.06 ms. Allocated memory was 210.8 MB in the beginning and 282.1 MB in the end (delta: 71.3 MB). Free memory was 172.2 MB in the beginning and 188.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2019-08-10 06:54:05,133 INFO L168 Benchmark]: Symbolic Interpretation took 29818.61 ms. Allocated memory was 282.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 188.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-10 06:54:05,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1104]: 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 189930#(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: 924]: 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 203037#(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)) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= ~newmax3~0 main_~node3__newmax~3) (= main_~main__c1~0 ~__return_3028~0) (= 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) (= ~__return_3028~0 main_~check__tmp~4) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1039]: 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 202186#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2964~0) (= ~__return_2964~0 main_~check__tmp~5) (= 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: - UnprovableResult [Line: 1939]: 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 198126#(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) (= ~__return_2815~0 main_~check__tmp~8) (= 0 ~mode3~0) (= main_~main__c1~0 ~__return_2815~0) (= 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)). Possible FailurePath: - UnprovableResult [Line: 879]: 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 201374#(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) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~nomsg~0 ~p12_new~0) (= ~p31_new~0 ~nomsg~0) (= ~newmax3~0 main_~node3__newmax~3) (= 0 ~mode3~0) (= ~__return_3059~0 main_~check__tmp~3) (= ~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) (= main_~main__c1~0 ~__return_3059~0) (= ~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 0.47 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1048.24 ms. Allocated memory was 131.1 MB in the beginning and 210.8 MB in the end (delta: 79.7 MB). Free memory was 84.3 MB in the beginning and 179.9 MB in the end (delta: -95.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.93 ms. Allocated memory is still 210.8 MB. Free memory was 179.9 MB in the beginning and 172.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1896.06 ms. Allocated memory was 210.8 MB in the beginning and 282.1 MB in the end (delta: 71.3 MB). Free memory was 172.2 MB in the beginning and 188.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 29818.61 ms. Allocated memory was 282.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 188.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...