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_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 05:18:22,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 05:18:22,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 05:18:22,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 05:18:22,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 05:18:22,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 05:18:22,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 05:18:22,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 05:18:22,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 05:18:22,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 05:18:22,459 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 05:18:22,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 05:18:22,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 05:18:22,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 05:18:22,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 05:18:22,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 05:18:22,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 05:18:22,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 05:18:22,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 05:18:22,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 05:18:22,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 05:18:22,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 05:18:22,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 05:18:22,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 05:18:22,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 05:18:22,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 05:18:22,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 05:18:22,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 05:18:22,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 05:18:22,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 05:18:22,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 05:18:22,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 05:18:22,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 05:18:22,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 05:18:22,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 05:18:22,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 05:18:22,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 05:18:22,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 05:18:22,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 05:18:22,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 05:18:22,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 05:18:22,499 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 05:18:22,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 05:18:22,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 05:18:22,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 05:18:22,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 05:18:22,532 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 05:18:22,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 05:18:22,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 05:18:22,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 05:18:22,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 05:18:22,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 05:18:22,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 05:18:22,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 05:18:22,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 05:18:22,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 05:18:22,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 05:18:22,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 05:18:22,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 05:18:22,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 05:18:22,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 05:18:22,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 05:18:22,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 05:18:22,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 05:18:22,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 05:18:22,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 05:18:22,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 05:18:22,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 05:18:22,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 05:18:22,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 05:18:22,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 05:18:22,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 05:18:22,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 05:18:22,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 05:18:22,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 05:18:22,623 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 05:18:22,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 05:18:22,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32787428b/33cb895a53b24490a454f78e18dd5124/FLAG4967bcf32 [2019-08-10 05:18:23,308 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 05:18:23,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 05:18:23,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32787428b/33cb895a53b24490a454f78e18dd5124/FLAG4967bcf32 [2019-08-10 05:18:23,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32787428b/33cb895a53b24490a454f78e18dd5124 [2019-08-10 05:18:23,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 05:18:23,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 05:18:23,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 05:18:23,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 05:18:23,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 05:18:23,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:18:23" (1/1) ... [2019-08-10 05:18:23,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6ccfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:23, skipping insertion in model container [2019-08-10 05:18:23,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:18:23" (1/1) ... [2019-08-10 05:18:23,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 05:18:23,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 05:18:24,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:18:24,350 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 05:18:24,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:18:24,863 INFO L192 MainTranslator]: Completed translation [2019-08-10 05:18:24,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24 WrapperNode [2019-08-10 05:18:24,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 05:18:24,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 05:18:24,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 05:18:24,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 05:18:24,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (1/1) ... [2019-08-10 05:18:24,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 05:18:25,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 05:18:25,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 05:18:25,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 05:18:25,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:18:24" (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 05:18:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 05:18:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 05:18:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 05:18:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 05:18:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 05:18:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 05:18:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 05:18:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 05:18:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 05:18:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 05:18:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 05:18:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 05:18:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 05:18:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 05:18:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 05:18:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 05:18:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 05:18:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 05:18:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 05:18:26,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 05:18:26,987 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 05:18:26,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:18:26 BoogieIcfgContainer [2019-08-10 05:18:26,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 05:18:26,990 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 05:18:26,990 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 05:18:26,990 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 05:18:26,991 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:18:26" (1/1) ... [2019-08-10 05:18:27,527 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-08-10 05:18:27,811 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-08-10 05:19:24,032 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 05:19:24,043 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 05:19:24,045 INFO L168 Benchmark]: Toolchain (without parser) took 60460.95 ms. Allocated memory was 140.5 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 84.9 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-08-10 05:19:24,046 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-10 05:19:24,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1279.04 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 84.7 MB in the beginning and 161.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-08-10 05:19:24,049 INFO L168 Benchmark]: Boogie Preprocessor took 136.25 ms. Allocated memory is still 202.4 MB. Free memory was 161.6 MB in the beginning and 156.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-10 05:19:24,050 INFO L168 Benchmark]: RCFGBuilder took 1988.51 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 156.4 MB in the beginning and 112.8 MB in the end (delta: 43.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-08-10 05:19:24,051 INFO L168 Benchmark]: Symbolic Interpretation took 57053.16 ms. Allocated memory was 228.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 111.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-08-10 05:19:24,056 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1901]: 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 393833#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2584~0) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= (mod main_~assert__arg~5 256) 0) (= 0 ~mode3~0) (= main_~__tmp_6~0 main_~assert__arg~5) (= 0 main_~check__tmp~8) (= ~nomsg~0 ~p21_new~0) (= ~st3~0 1) (= ~__return_2584~0 main_~check__tmp~8) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 823]: 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 386099#(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) (= ~__return_2840~0 main_~check__tmp~3) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= 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) (= main_~main__c1~0 ~__return_2840~0) (= ~p23_new~0 ~nomsg~0)). 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 391459#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= (mod main_~assert__arg~6 256) 0) (= ~__return_2553~0 main_~check__tmp~9) (= (mod ~r3~0 256) 2) (not (= ~max3~0 ~id3~0)) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 ~mode3~0) (= main_~main__c1~0 ~__return_2553~0) (= ~nl3~0 1) (= main_~__tmp_7~0 main_~assert__arg~6) (= ~nomsg~0 ~p21_new~0) (= 0 main_~check__tmp~9) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 888]: 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 376853#(and (= main_~__tmp_5~0 main_~assert__arg~4) (= main_~__tmp_5~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 (mod main_~assert__arg~4 256))). Possible FailurePath: - UnprovableResult [Line: 2056]: 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 389085#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_8~0 main_~assert__arg~7) (= 0 main_~check__tmp~10) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= 0 ~mode3~0) (= main_~main__c1~0 ~__return_2494~0) (= main_~check__tmp~10 ~__return_2494~0) (= ~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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1279.04 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 84.7 MB in the beginning and 161.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.25 ms. Allocated memory is still 202.4 MB. Free memory was 161.6 MB in the beginning and 156.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1988.51 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 156.4 MB in the beginning and 112.8 MB in the end (delta: 43.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 57053.16 ms. Allocated memory was 228.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 111.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...