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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/dll-token-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:05:00,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:05:00,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:05:00,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:05:00,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:05:00,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:05:00,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:05:00,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:05:00,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:05:00,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:05:00,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:05:00,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:05:00,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:05:00,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:05:00,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:05:00,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:05:00,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:05:00,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:05:00,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:05:00,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:05:00,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:05:00,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:05:00,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:05:00,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:05:00,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:05:00,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:05:00,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:05:00,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:05:00,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:05:00,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:05:00,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:05:00,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:05:00,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:05:00,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:05:00,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:05:00,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:05:00,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:05:00,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:05:00,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:05:00,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:05:00,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:05:00,491 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 [2019-09-16 18:05:00,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:05:00,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:05:00,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:05:00,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:05:00,508 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:05:00,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:05:00,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:05:00,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:05:00,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:05:00,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:05:00,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:05:00,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:05:00,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:05:00,509 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:05:00,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:05:00,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:05:00,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:05:00,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:05:00,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:05:00,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:05:00,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:05:00,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:05:00,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:05:00,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:05:00,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:05:00,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:05:00,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:05:00,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:05:00,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:05:00,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:05:00,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:05:00,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:05:00,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:05:00,563 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:05:00,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token-1.i [2019-09-16 18:05:00,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba4bd146/aaf6ca2e62614cf0a4ca952b652341e7/FLAGc0041ff7d [2019-09-16 18:05:01,190 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:05:01,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-1.i [2019-09-16 18:05:01,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba4bd146/aaf6ca2e62614cf0a4ca952b652341e7/FLAGc0041ff7d [2019-09-16 18:05:01,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba4bd146/aaf6ca2e62614cf0a4ca952b652341e7 [2019-09-16 18:05:01,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:05:01,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:05:01,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:05:01,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:05:01,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:05:01,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:05:01" (1/1) ... [2019-09-16 18:05:01,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe97291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:01, skipping insertion in model container [2019-09-16 18:05:01,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:05:01" (1/1) ... [2019-09-16 18:05:01,538 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:05:01,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:05:02,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:05:02,053 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:05:02,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:05:02,178 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:05:02,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02 WrapperNode [2019-09-16 18:05:02,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:05:02,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:05:02,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:05:02,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:05:02,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:05:02,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:05:02,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:05:02,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:05:02,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:05:02" (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 [2019-09-16 18:05:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:05:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:05:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:05:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-16 18:05:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-16 18:05:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-16 18:05:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-16 18:05:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-16 18:05:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-16 18:05:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-16 18:05:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-16 18:05:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-16 18:05:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-16 18:05:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-16 18:05:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-16 18:05:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-16 18:05:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-16 18:05:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-16 18:05:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-16 18:05:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-16 18:05:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-16 18:05:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-16 18:05:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-16 18:05:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-16 18:05:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-16 18:05:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-16 18:05:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-16 18:05:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-16 18:05:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-16 18:05:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-16 18:05:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-16 18:05:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-16 18:05:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-16 18:05:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-16 18:05:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-16 18:05:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-16 18:05:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-16 18:05:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-16 18:05:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-16 18:05:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-16 18:05:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-16 18:05:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-16 18:05:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-16 18:05:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-16 18:05:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-16 18:05:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-16 18:05:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-16 18:05:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:05:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 18:05:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 18:05:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:05:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 18:05:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-16 18:05:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 18:05:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-16 18:05:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-16 18:05:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-16 18:05:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-16 18:05:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-16 18:05:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-16 18:05:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-16 18:05:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-16 18:05:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-16 18:05:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-16 18:05:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-16 18:05:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-16 18:05:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-16 18:05:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-16 18:05:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-16 18:05:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-16 18:05:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-16 18:05:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-16 18:05:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-16 18:05:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-16 18:05:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-16 18:05:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-16 18:05:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-16 18:05:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-16 18:05:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-16 18:05:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:05:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:05:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:05:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:05:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:05:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:05:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:05:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:05:02,988 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:05:02,988 INFO L283 CfgBuilder]: Removed 15 assume(true) statements. [2019-09-16 18:05:02,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:05:02 BoogieIcfgContainer [2019-09-16 18:05:02,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:05:02,990 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:05:02,990 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:05:02,991 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:05:02,992 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:05:02" (1/1) ... [2019-09-16 18:05:02,993 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 18:05:03,017 INFO L162 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-09-16 18:05:03,017 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:05:03,025 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:05:03,035 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:05:03,036 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:05:03,183 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-16 18:05:03,427 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-16 18:05:03,540 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-16 18:05:04,589 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 18:05:05,192 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-16 18:05:05,821 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-16 18:05:06,660 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-16 18:05:21,924 WARN L191 SmtUtils]: Spent 14.57 s on a formula simplification that was a NOOP. DAG size: 218 [2019-09-16 18:05:37,955 WARN L191 SmtUtils]: Spent 15.87 s on a formula simplification that was a NOOP. DAG size: 214 [2019-09-16 18:05:50,698 WARN L191 SmtUtils]: Spent 12.49 s on a formula simplification that was a NOOP. DAG size: 207 [2019-09-16 18:06:07,393 WARN L191 SmtUtils]: Spent 16.39 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-16 18:06:07,940 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2019-09-16 18:06:08,113 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-16 18:06:08,762 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2019-09-16 18:06:09,156 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-16 18:06:09,335 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-16 18:06:09,503 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-16 18:06:09,702 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-16 18:06:09,888 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-16 18:06:12,667 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 253 [2019-09-16 18:06:12,833 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-16 18:06:12,976 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 18:06:13,457 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-16 18:06:13,581 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 18:06:13,751 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-16 18:06:13,908 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-16 18:06:14,128 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-16 18:06:14,805 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-16 18:06:14,939 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 18:06:15,540 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-16 18:06:15,731 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-16 18:06:15,926 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-16 18:06:16,329 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 18:06:16,597 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-16 18:06:16,825 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 18:06:17,010 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 18:06:17,154 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 18:06:17,262 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 18:06:17,414 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-16 18:06:17,704 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-16 18:06:17,869 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-09-16 18:06:17,885 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-16 18:06:17,891 INFO L168 Benchmark]: Toolchain (without parser) took 76371.41 ms. Allocated memory was 135.3 MB in the beginning and 326.6 MB in the end (delta: 191.4 MB). Free memory was 84.6 MB in the beginning and 82.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 193.4 MB. Max. memory is 7.1 GB. [2019-09-16 18:06:17,892 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:06:17,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.03 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 84.4 MB in the beginning and 162.9 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-16 18:06:17,894 INFO L168 Benchmark]: Boogie Preprocessor took 71.63 ms. Allocated memory is still 198.2 MB. Free memory was 162.9 MB in the beginning and 160.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-16 18:06:17,895 INFO L168 Benchmark]: RCFGBuilder took 731.79 ms. Allocated memory is still 198.2 MB. Free memory was 160.3 MB in the beginning and 113.4 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-09-16 18:06:17,895 INFO L168 Benchmark]: Sifa took 74899.28 ms. Allocated memory was 198.2 MB in the beginning and 326.6 MB in the end (delta: 128.5 MB). Free memory was 113.4 MB in the beginning and 82.6 MB in the end (delta: 30.8 MB). Peak memory consumption was 159.2 MB. Max. memory is 7.1 GB. [2019-09-16 18:06:17,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.03 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 84.4 MB in the beginning and 162.9 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.63 ms. Allocated memory is still 198.2 MB. Free memory was 162.9 MB in the beginning and 160.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 731.79 ms. Allocated memory is still 198.2 MB. Free memory was 160.3 MB in the beginning and 113.4 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Sifa took 74899.28 ms. Allocated memory was 198.2 MB in the beginning and 326.6 MB in the end (delta: 128.5 MB). Free memory was 113.4 MB in the beginning and 82.6 MB in the end (delta: 30.8 MB). Peak memory consumption was 159.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.sifa: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...