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/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:25:52,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:25:52,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:25:52,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:25:52,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:25:52,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:25:52,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:25:52,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:25:52,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:25:52,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:25:52,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:25:52,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:25:52,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:25:52,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:25:52,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:25:52,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:25:52,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:25:52,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:25:52,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:25:52,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:25:52,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:25:52,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:25:52,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:25:52,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:25:52,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:25:52,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:25:52,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:25:52,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:25:52,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:25:52,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:25:52,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:25:52,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:25:52,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:25:52,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:25:52,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:25:52,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:25:52,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:25:52,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:25:52,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:25:52,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:25:52,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:25:52,202 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 [2019-09-20 14:25:52,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:25:52,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:25:52,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:25:52,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:25:52,231 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:25:52,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:25:52,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:25:52,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:25:52,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:25:52,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:25:52,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:25:52,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:25:52,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:25:52,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:25:52,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:25:52,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:25:52,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:25:52,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:25:52,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:25:52,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:25:52,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:25:52,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:52,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:25:52,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:25:52,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:25:52,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:25:52,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:25:52,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:25:52,240 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 [2019-09-20 14:25:52,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:25:52,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:25:52,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:25:52,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:25:52,297 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:25:52,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 14:25:52,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b693b74ba/b8cddcc34ebb4a1fbda8e803f6098fd9/FLAG883e51380 [2019-09-20 14:25:52,763 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:25:52,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 14:25:52,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b693b74ba/b8cddcc34ebb4a1fbda8e803f6098fd9/FLAG883e51380 [2019-09-20 14:25:53,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b693b74ba/b8cddcc34ebb4a1fbda8e803f6098fd9 [2019-09-20 14:25:53,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:25:53,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:25:53,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:53,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:25:53,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:25:53,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2195b7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53, skipping insertion in model container [2019-09-20 14:25:53,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,141 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:25:53,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:25:53,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:53,407 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:25:53,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:53,574 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:25:53,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53 WrapperNode [2019-09-20 14:25:53,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:53,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:25:53,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:25:53,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:25:53,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (1/1) ... [2019-09-20 14:25:53,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:25:53,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:25:53,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:25:53,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:25:53,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:53" (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 [2019-09-20 14:25:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:25:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:25:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 14:25:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 14:25:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 14:25:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 14:25:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 14:25:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 14:25:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 14:25:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 14:25:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 14:25:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 14:25:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 14:25:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 14:25:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 14:25:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 14:25:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:25:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:25:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 14:25:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 14:25:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 14:25:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 14:25:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 14:25:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 14:25:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 14:25:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 14:25:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 14:25:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 14:25:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 14:25:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 14:25:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 14:25:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 14:25:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 14:25:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:25:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:25:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:25:54,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:25:54,580 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 14:25:54,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:54 BoogieIcfgContainer [2019-09-20 14:25:54,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:25:54,582 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:25:54,582 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:25:54,582 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:25:54,583 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:54" (1/1) ... [2019-09-20 14:25:54,584 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 [2019-09-20 14:25:54,616 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:25:54,616 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:25:54,628 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:25:54,639 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:25:54,640 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:25:54,821 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 14:25:54,881 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 14:25:55,880 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2019-09-20 14:25:56,036 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:25:56,206 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:25:56,353 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:25:56,489 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-09-20 14:25:57,166 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2019-09-20 14:25:57,735 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 14:25:58,014 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 14:25:58,291 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:25:58,463 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:25:58,618 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:25:58,868 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-09-20 14:25:59,657 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:25:59,934 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:00,102 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:00,273 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:01,443 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:01,640 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:01,800 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:02,493 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 14:26:02,762 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 14:26:03,030 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:03,209 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:04,189 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 14:26:04,330 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:04,598 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:04,778 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:05,716 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 14:26:05,871 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:06,135 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:06,310 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:06,459 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:07,406 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-20 14:26:07,583 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:26:08,008 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:08,177 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:08,343 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:08,895 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2019-09-20 14:26:09,046 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2019-09-20 14:26:09,544 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 14:26:09,814 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 14:26:10,070 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:10,237 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:10,388 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:11,325 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:11,601 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:11,767 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:11,917 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:12,831 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:13,092 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:13,259 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:13,418 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:14,071 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 14:26:14,332 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 14:26:14,578 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:14,744 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:15,842 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:16,093 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:16,259 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:17,021 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 14:26:17,352 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:17,628 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:17,797 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:18,713 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-20 14:26:18,861 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 14:26:19,509 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-20 14:26:19,741 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 14:26:20,298 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-20 14:26:20,549 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 14:26:20,553 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 69 for LOIs [2019-09-20 14:26:20,914 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-20 14:26:21,069 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 14:26:21,476 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2019-09-20 14:26:21,653 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 14:26:22,045 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2019-09-20 14:26:22,223 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 14:26:22,678 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-20 14:26:23,204 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-20 14:26:23,752 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-20 14:26:23,944 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-20 14:26:24,194 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:24,364 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:24,514 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:25,011 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2019-09-20 14:26:25,397 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 14:26:25,660 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 14:26:25,907 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:26,074 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:26,224 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:26,822 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 14:26:27,038 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 14:26:27,184 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:27,432 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:27,615 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:27,776 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:28,705 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 14:26:28,961 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:29,142 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-09-20 14:26:29,294 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-20 14:26:29,703 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-20 14:26:29,704 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 15 for LOIs [2019-09-20 14:26:29,719 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:26:29,719 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:26:29,722 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1805#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= (+ ~local~0 2) ~token~0))) [2019-09-20 14:26:29,737 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:26:29,737 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:26:29,743 INFO L168 Benchmark]: Toolchain (without parser) took 36613.87 ms. Allocated memory was 139.5 MB in the beginning and 479.7 MB in the end (delta: 340.3 MB). Free memory was 86.8 MB in the beginning and 79.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 347.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:29,744 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:26:29,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.78 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 175.8 MB in the end (delta: -89.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:29,752 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 173.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:29,752 INFO L168 Benchmark]: RCFGBuilder took 961.21 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 102.3 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:29,753 INFO L168 Benchmark]: Sifa took 35155.52 ms. Allocated memory was 200.3 MB in the beginning and 479.7 MB in the end (delta: 279.4 MB). Free memory was 101.7 MB in the beginning and 79.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 301.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:29,762 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.78 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 175.8 MB in the end (delta: -89.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 173.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 961.21 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 102.3 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. * Sifa took 35155.52 ms. Allocated memory was 200.3 MB in the beginning and 479.7 MB in the end (delta: 279.4 MB). Free memory was 101.7 MB in the beginning and 79.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 301.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 35106, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 839, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 606, TOOLS_POST_TIME[ms]: 195, TOOLS_POST_CALL_APPLICATIONS: 158, TOOLS_POST_CALL_TIME[ms]: 250, TOOLS_POST_RETURN_APPLICATIONS: 153, TOOLS_POST_RETURN_TIME[ms]: 143, TOOLS_QUANTIFIERELIM_APPLICATIONS: 917, TOOLS_QUANTIFIERELIM_TIME[ms]: 416, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 869, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 342, DOMAIN_JOIN_TIME[ms]: 33624, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 29, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 227, DOMAIN_ISSUBSETEQ_APPLICATIONS: 30, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 250, DOMAIN_ISBOTTOM_TIME[ms]: 413, LOOP_SUMMARIZER_APPLICATIONS: 24, LOOP_SUMMARIZER_CACHE_MISSES: 24, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 30736, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30735, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 30, CALL_SUMMARIZER_APPLICATIONS: 153, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 22970, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22969, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 503, DAG_COMPRESSION_RETAINED_NODES: 273 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1805#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= (+ ~local~0 2) ~token~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...