./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/transmitter.10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/transmitter.10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c68befe0cb772d649d152823cc17c89d77797d55cc04257d4beaaad2b518a7a0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:12:57,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:12:57,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:12:57,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:12:57,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:12:57,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:12:57,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:12:57,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:12:57,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:12:57,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:12:57,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:12:57,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:12:57,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:12:57,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:12:57,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:12:57,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:12:57,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:12:57,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:12:57,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:12:57,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:12:57,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:12:57,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:12:57,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:12:57,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:12:57,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:12:57,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:12:57,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:12:57,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:12:57,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:12:57,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:12:57,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:12:57,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:12:57,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:12:57,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:12:57,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:12:57,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:12:57,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:12:57,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:12:57,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:12:57,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:12:57,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:12:57,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:12:57,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:12:57,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:12:57,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:12:57,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:12:57,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:12:57,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:12:57,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:12:57,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:12:57,193 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:12:57,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:12:57,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:12:57,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:12:57,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:12:57,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:12:57,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:12:57,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:12:57,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:12:57,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:12:57,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:12:57,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:12:57,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:12:57,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:12:57,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:12:57,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:12:57,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:12:57,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:12:57,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:12:57,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:12:57,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:12:57,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:12:57,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:12:57,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:12:57,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:12:57,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:12:57,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c68befe0cb772d649d152823cc17c89d77797d55cc04257d4beaaad2b518a7a0 [2021-12-15 11:12:57,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:12:57,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:12:57,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:12:57,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:12:57,411 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:12:57,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.10.cil.c [2021-12-15 11:12:57,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e925c07/4e95d2c364f0457db6e9f4361168dede/FLAG3077750fb [2021-12-15 11:12:57,824 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:12:57,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.10.cil.c [2021-12-15 11:12:57,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e925c07/4e95d2c364f0457db6e9f4361168dede/FLAG3077750fb [2021-12-15 11:12:57,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e925c07/4e95d2c364f0457db6e9f4361168dede [2021-12-15 11:12:57,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:12:57,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:12:57,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:12:57,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:12:57,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:12:57,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:12:57" (1/1) ... [2021-12-15 11:12:57,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647c6028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:57, skipping insertion in model container [2021-12-15 11:12:57,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:12:57" (1/1) ... [2021-12-15 11:12:57,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:12:57,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:12:58,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.10.cil.c[706,719] [2021-12-15 11:12:58,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:12:58,124 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:12:58,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.10.cil.c[706,719] [2021-12-15 11:12:58,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:12:58,191 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:12:58,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58 WrapperNode [2021-12-15 11:12:58,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:12:58,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:12:58,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:12:58,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:12:58,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,241 INFO L137 Inliner]: procedures = 48, calls = 60, calls flagged for inlining = 32, calls inlined = 32, statements flattened = 720 [2021-12-15 11:12:58,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:12:58,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:12:58,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:12:58,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:12:58,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:12:58,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:12:58,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:12:58,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:12:58,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (1/1) ... [2021-12-15 11:12:58,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:12:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:12:58,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:12:58,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:12:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:12:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-12-15 11:12:58,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-12-15 11:12:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-12-15 11:12:58,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-12-15 11:12:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-12-15 11:12:58,357 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-12-15 11:12:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-12-15 11:12:58,357 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-12-15 11:12:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-12-15 11:12:58,357 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-12-15 11:12:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:12:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-12-15 11:12:58,357 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-12-15 11:12:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:12:58,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:12:58,490 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:12:58,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:12:59,005 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:12:59,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:12:59,012 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-15 11:12:59,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:12:59 BoogieIcfgContainer [2021-12-15 11:12:59,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:12:59,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:12:59,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:12:59,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:12:59,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:12:57" (1/3) ... [2021-12-15 11:12:59,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8d573c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:12:59, skipping insertion in model container [2021-12-15 11:12:59,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:12:58" (2/3) ... [2021-12-15 11:12:59,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8d573c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:12:59, skipping insertion in model container [2021-12-15 11:12:59,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:12:59" (3/3) ... [2021-12-15 11:12:59,020 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.10.cil.c [2021-12-15 11:12:59,024 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:12:59,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:12:59,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:12:59,059 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:12:59,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:12:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 328 states, 297 states have (on average 1.6565656565656566) internal successors, (492), 299 states have internal predecessors, (492), 23 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-12-15 11:12:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-15 11:12:59,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:12:59,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:12:59,092 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:12:59,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:12:59,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1953724887, now seen corresponding path program 1 times [2021-12-15 11:12:59,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:12:59,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784984754] [2021-12-15 11:12:59,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:12:59,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:12:59,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:12:59,172 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:12:59,177 INFO L158 Benchmark]: Toolchain (without parser) took 1316.53ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 71.3MB in the beginning and 72.8MB in the end (delta: -1.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-12-15 11:12:59,177 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:12:59,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.22ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 67.2MB in the end (delta: 3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:12:59,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.48ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 63.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:12:59,180 INFO L158 Benchmark]: Boogie Preprocessor took 43.25ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:12:59,180 INFO L158 Benchmark]: RCFGBuilder took 728.79ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.6MB in the beginning and 85.5MB in the end (delta: -24.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-12-15 11:12:59,184 INFO L158 Benchmark]: TraceAbstraction took 159.28ms. Allocated memory is still 132.1MB. Free memory was 84.6MB in the beginning and 72.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:12:59,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.22ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 67.2MB in the end (delta: 3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.48ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 63.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.25ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 728.79ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.6MB in the beginning and 85.5MB in the end (delta: -24.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 159.28ms. Allocated memory is still 132.1MB. Free memory was 84.6MB in the beginning and 72.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:12:59,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/transmitter.10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c68befe0cb772d649d152823cc17c89d77797d55cc04257d4beaaad2b518a7a0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:13:00,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:13:00,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:13:00,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:13:00,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:13:00,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:13:00,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:13:00,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:13:00,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:13:00,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:13:00,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:13:00,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:13:00,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:13:00,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:13:00,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:13:00,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:13:00,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:13:00,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:13:00,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:13:00,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:13:00,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:13:00,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:13:00,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:13:00,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:13:00,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:13:00,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:13:00,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:13:00,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:13:00,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:13:00,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:13:00,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:13:00,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:13:00,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:13:00,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:13:00,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:13:00,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:13:00,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:13:00,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:13:00,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:13:00,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:13:00,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:13:00,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:13:01,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:13:01,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:13:01,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:13:01,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:13:01,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:13:01,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:13:01,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:13:01,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:13:01,008 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:13:01,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:13:01,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:13:01,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:13:01,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:13:01,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:13:01,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:13:01,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:13:01,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:13:01,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:13:01,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:13:01,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:13:01,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:13:01,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:13:01,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:13:01,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:13:01,011 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:13:01,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:13:01,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:13:01,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:13:01,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:13:01,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:13:01,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:13:01,012 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c68befe0cb772d649d152823cc17c89d77797d55cc04257d4beaaad2b518a7a0 [2021-12-15 11:13:01,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:13:01,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:13:01,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:13:01,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:13:01,288 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:13:01,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.10.cil.c [2021-12-15 11:13:01,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd3f58b8/b67443752f3b489c8d643780434cdc77/FLAGe75c85ac9 [2021-12-15 11:13:01,698 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:13:01,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.10.cil.c [2021-12-15 11:13:01,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd3f58b8/b67443752f3b489c8d643780434cdc77/FLAGe75c85ac9 [2021-12-15 11:13:02,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd3f58b8/b67443752f3b489c8d643780434cdc77 [2021-12-15 11:13:02,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:13:02,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:13:02,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:13:02,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:13:02,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:13:02,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2653ab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02, skipping insertion in model container [2021-12-15 11:13:02,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:13:02,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:13:02,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.10.cil.c[706,719] [2021-12-15 11:13:02,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:13:02,379 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:13:02,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.10.cil.c[706,719] [2021-12-15 11:13:02,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:13:02,466 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:13:02,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02 WrapperNode [2021-12-15 11:13:02,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:13:02,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:13:02,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:13:02,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:13:02,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,529 INFO L137 Inliner]: procedures = 48, calls = 60, calls flagged for inlining = 32, calls inlined = 32, statements flattened = 694 [2021-12-15 11:13:02,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:13:02,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:13:02,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:13:02,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:13:02,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:13:02,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:13:02,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:13:02,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:13:02,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (1/1) ... [2021-12-15 11:13:02,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:13:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:13:02,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:13:02,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:13:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:13:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:13:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-12-15 11:13:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-12-15 11:13:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-12-15 11:13:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-12-15 11:13:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-12-15 11:13:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-12-15 11:13:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-12-15 11:13:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-12-15 11:13:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-12-15 11:13:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-12-15 11:13:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-12-15 11:13:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-12-15 11:13:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:13:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:13:02,809 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:13:02,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:13:03,296 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:13:03,303 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:13:03,303 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-15 11:13:03,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:13:03 BoogieIcfgContainer [2021-12-15 11:13:03,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:13:03,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:13:03,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:13:03,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:13:03,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:13:02" (1/3) ... [2021-12-15 11:13:03,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378bda55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:13:03, skipping insertion in model container [2021-12-15 11:13:03,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:13:02" (2/3) ... [2021-12-15 11:13:03,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378bda55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:13:03, skipping insertion in model container [2021-12-15 11:13:03,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:13:03" (3/3) ... [2021-12-15 11:13:03,315 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.10.cil.c [2021-12-15 11:13:03,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:13:03,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:13:03,362 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:13:03,368 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:13:03,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:13:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 328 states, 297 states have (on average 1.6565656565656566) internal successors, (492), 299 states have internal predecessors, (492), 23 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-12-15 11:13:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-15 11:13:03,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:13:03,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:13:03,411 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:13:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:13:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1953724887, now seen corresponding path program 1 times [2021-12-15 11:13:03,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:13:03,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930553005] [2021-12-15 11:13:03,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:13:03,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:13:03,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:13:03,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:13:03,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:13:03,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:13:03,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:13:03,674 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:13:03,677 INFO L158 Benchmark]: Toolchain (without parser) took 1594.75ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.2MB in the beginning and 35.9MB in the end (delta: 3.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-12-15 11:13:03,678 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:13:03,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.33ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.0MB in the beginning and 50.9MB in the end (delta: -11.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-12-15 11:13:03,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.84ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 47.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:13:03,681 INFO L158 Benchmark]: Boogie Preprocessor took 54.60ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 44.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:13:03,684 INFO L158 Benchmark]: RCFGBuilder took 719.80ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 47.5MB in the end (delta: -3.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-15 11:13:03,685 INFO L158 Benchmark]: TraceAbstraction took 369.95ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 35.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:13:03,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.33ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.0MB in the beginning and 50.9MB in the end (delta: -11.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.84ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 47.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.60ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 44.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 719.80ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 47.5MB in the end (delta: -3.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 369.95ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 35.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:13:03,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable