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/pals_lcr.7.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 04:24:47,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 04:24:47,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 04:24:47,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 04:24:47,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 04:24:47,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 04:24:47,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 04:24:47,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 04:24:47,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 04:24:47,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 04:24:47,077 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 04:24:47,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 04:24:47,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 04:24:47,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 04:24:47,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 04:24:47,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 04:24:47,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 04:24:47,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 04:24:47,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 04:24:47,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 04:24:47,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 04:24:47,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 04:24:47,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 04:24:47,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 04:24:47,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 04:24:47,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 04:24:47,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 04:24:47,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 04:24:47,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 04:24:47,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 04:24:47,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 04:24:47,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 04:24:47,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 04:24:47,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 04:24:47,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 04:24:47,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 04:24:47,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 04:24:47,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 04:24:47,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 04:24:47,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 04:24:47,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 04:24:47,107 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 04:24:47,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 04:24:47,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 04:24:47,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 04:24:47,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 04:24:47,127 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 04:24:47,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 04:24:47,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 04:24:47,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 04:24:47,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 04:24:47,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 04:24:47,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 04:24:47,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 04:24:47,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 04:24:47,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 04:24:47,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 04:24:47,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 04:24:47,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 04:24:47,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 04:24:47,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 04:24:47,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 04:24:47,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 04:24:47,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 04:24:47,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 04:24:47,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 04:24:47,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 04:24:47,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 04:24:47,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 04:24:47,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 04:24:47,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 04:24:47,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 04:24:47,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 04:24:47,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 04:24:47,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 04:24:47,179 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 04:24:47,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2019-08-10 04:24:47,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165fec2e8/2c8035065813404d8dd8ad6d89c2e0ca/FLAG8a6e66e86 [2019-08-10 04:24:47,792 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 04:24:47,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2019-08-10 04:24:47,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165fec2e8/2c8035065813404d8dd8ad6d89c2e0ca/FLAG8a6e66e86 [2019-08-10 04:24:48,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165fec2e8/2c8035065813404d8dd8ad6d89c2e0ca [2019-08-10 04:24:48,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 04:24:48,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 04:24:48,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 04:24:48,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 04:24:48,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 04:24:48,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2f210c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48, skipping insertion in model container [2019-08-10 04:24:48,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 04:24:48,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 04:24:48,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 04:24:48,431 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 04:24:48,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 04:24:48,619 INFO L192 MainTranslator]: Completed translation [2019-08-10 04:24:48,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48 WrapperNode [2019-08-10 04:24:48,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 04:24:48,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 04:24:48,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 04:24:48,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 04:24:48,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (1/1) ... [2019-08-10 04:24:48,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 04:24:48,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 04:24:48,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 04:24:48,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 04:24:48,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:24:48" (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 04:24:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 04:24:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 04:24:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-10 04:24:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-10 04:24:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-10 04:24:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-10 04:24:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-10 04:24:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-10 04:24:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-10 04:24:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-10 04:24:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 04:24:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 04:24:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-10 04:24:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 04:24:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 04:24:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 04:24:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 04:24:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 04:24:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 04:24:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 04:24:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 04:24:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 04:24:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 04:24:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 04:24:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 04:24:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-10 04:24:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-10 04:24:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-10 04:24:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 04:24:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 04:24:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 04:24:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 04:24:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 04:24:49,744 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 04:24:49,744 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 04:24:49,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 04:24:49 BoogieIcfgContainer [2019-08-10 04:24:49,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 04:24:49,746 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 04:24:49,746 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 04:24:49,747 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 04:24:49,748 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 04:24:49" (1/1) ... [2019-08-10 04:24:50,341 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-10 04:24:50,654 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-10 04:24:51,812 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 04:24:51,820 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 04:24:51,823 INFO L168 Benchmark]: Toolchain (without parser) took 3738.43 ms. Allocated memory was 138.4 MB in the beginning and 269.5 MB in the end (delta: 131.1 MB). Free memory was 85.3 MB in the beginning and 230.3 MB in the end (delta: -145.0 MB). Peak memory consumption was 136.7 MB. Max. memory is 7.1 GB. [2019-08-10 04:24:51,825 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 04:24:51,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.53 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 172.2 MB in the end (delta: -87.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-08-10 04:24:51,828 INFO L168 Benchmark]: Boogie Preprocessor took 94.03 ms. Allocated memory is still 199.2 MB. Free memory was 172.2 MB in the beginning and 169.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-08-10 04:24:51,829 INFO L168 Benchmark]: RCFGBuilder took 1030.49 ms. Allocated memory is still 199.2 MB. Free memory was 169.2 MB in the beginning and 115.0 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-08-10 04:24:51,830 INFO L168 Benchmark]: Symbolic Interpretation took 2074.06 ms. Allocated memory was 199.2 MB in the beginning and 269.5 MB in the end (delta: 70.3 MB). Free memory was 115.0 MB in the beginning and 230.3 MB in the end (delta: -115.3 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. [2019-08-10 04:24:51,834 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 631]: 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 681#(and (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 535.53 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 172.2 MB in the end (delta: -87.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.03 ms. Allocated memory is still 199.2 MB. Free memory was 172.2 MB in the beginning and 169.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1030.49 ms. Allocated memory is still 199.2 MB. Free memory was 169.2 MB in the beginning and 115.0 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2074.06 ms. Allocated memory was 199.2 MB in the beginning and 269.5 MB in the end (delta: 70.3 MB). Free memory was 115.0 MB in the beginning and 230.3 MB in the end (delta: -115.3 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...