./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter_iir.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter_iir.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 3f261362f0ac0da0cacaf44edcc25ad6af198789 .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter_iir.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 3f261362f0ac0da0cacaf44edcc25ad6af198789 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 14:29:21,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:29:21,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:29:21,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:29:21,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:29:21,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:29:21,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:29:21,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:29:21,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:29:21,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:29:21,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:29:21,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:29:21,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:29:21,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:29:21,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:29:21,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:29:21,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:29:21,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:29:21,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:29:21,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:29:21,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:29:21,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:29:21,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:29:21,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:29:21,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:29:21,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:29:21,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:29:21,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:29:21,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:29:21,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:29:21,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:29:21,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:29:21,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:29:21,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:29:21,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:29:21,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:29:21,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:29:21,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:29:21,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:29:21,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:29:21,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:29:21,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 14:29:21,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:29:21,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:29:21,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:29:21,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:29:21,371 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:29:21,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:29:21,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:29:21,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 14:29:21,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:29:21,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:29:21,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:29:21,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:29:21,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:29:21,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:29:21,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:29:21,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:29:21,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:29:21,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:29:21,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:29:21,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:29:21,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:29:21,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:29:21,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:29:21,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:29:21,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:29:21,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 14:29:21,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 14:29:21,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:29:21,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:29:21,377 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f261362f0ac0da0cacaf44edcc25ad6af198789 [2020-10-24 14:29:21,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:29:21,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:29:21,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:29:21,769 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:29:21,771 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:29:21,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter_iir.c [2020-10-24 14:29:21,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26d29896e/3863f050bb9742e993963d33eaee1ce1/FLAGebd990219 [2020-10-24 14:29:22,459 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:29:22,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-benchs/filter_iir.c [2020-10-24 14:29:22,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26d29896e/3863f050bb9742e993963d33eaee1ce1/FLAGebd990219 [2020-10-24 14:29:22,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26d29896e/3863f050bb9742e993963d33eaee1ce1 [2020-10-24 14:29:22,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:29:22,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:29:22,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:29:22,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:29:22,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:29:22,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:29:22" (1/1) ... [2020-10-24 14:29:22,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6ad74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:22, skipping insertion in model container [2020-10-24 14:29:22,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:29:22" (1/1) ... [2020-10-24 14:29:22,827 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:29:22,853 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:29:23,090 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:29:23,104 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:29:23,132 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:29:23,155 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:29:23,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23 WrapperNode [2020-10-24 14:29:23,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:29:23,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:29:23,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:29:23,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:29:23,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:29:23,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:29:23,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:29:23,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:29:23,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... [2020-10-24 14:29:23,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:29:23,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:29:23,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:29:23,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:29:23,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 14:29:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 14:29:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:29:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 14:29:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 14:29:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:29:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:29:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 14:29:23,805 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:29:23,805 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-24 14:29:23,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:29:23 BoogieIcfgContainer [2020-10-24 14:29:23,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:29:23,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:29:23,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:29:23,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:29:23,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:29:22" (1/3) ... [2020-10-24 14:29:23,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e2b02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:29:23, skipping insertion in model container [2020-10-24 14:29:23,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:23" (2/3) ... [2020-10-24 14:29:23,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e2b02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:29:23, skipping insertion in model container [2020-10-24 14:29:23,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:29:23" (3/3) ... [2020-10-24 14:29:23,817 INFO L111 eAbstractionObserver]: Analyzing ICFG filter_iir.c [2020-10-24 14:29:23,829 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:29:23,834 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 14:29:23,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 14:29:23,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:29:23,874 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:29:23,874 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:29:23,875 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:29:23,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:29:23,875 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:29:23,875 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:29:23,875 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:29:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-24 14:29:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 14:29:23,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:29:23,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 14:29:23,897 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:29:23,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:29:23,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1398280527, now seen corresponding path program 1 times [2020-10-24 14:29:23,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 14:29:23,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879709000] [2020-10-24 14:29:23,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 14:29:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:29:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:29:24,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879709000] [2020-10-24 14:29:24,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:29:24,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 14:29:24,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567501416] [2020-10-24 14:29:24,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 14:29:24,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 14:29:24,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 14:29:24,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 14:29:24,177 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-10-24 14:29:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:29:24,193 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-10-24 14:29:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 14:29:24,195 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 14:29:24,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:29:24,203 INFO L225 Difference]: With dead ends: 31 [2020-10-24 14:29:24,204 INFO L226 Difference]: Without dead ends: 14 [2020-10-24 14:29:24,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 14:29:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-24 14:29:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-24 14:29:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-24 14:29:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-10-24 14:29:24,241 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 12 [2020-10-24 14:29:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:29:24,241 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-24 14:29:24,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 14:29:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-10-24 14:29:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 14:29:24,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:29:24,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 14:29:24,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 14:29:24,243 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:29:24,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:29:24,244 INFO L82 PathProgramCache]: Analyzing trace with hash 376726835, now seen corresponding path program 1 times [2020-10-24 14:29:24,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 14:29:24,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797423407] [2020-10-24 14:29:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 14:29:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:29:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:29:24,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797423407] [2020-10-24 14:29:24,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:29:24,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 14:29:24,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58936654] [2020-10-24 14:29:24,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 14:29:24,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 14:29:24,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 14:29:24,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 14:29:24,526 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 4 states. [2020-10-24 14:29:24,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:29:24,578 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-10-24 14:29:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 14:29:24,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-24 14:29:24,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:29:24,580 INFO L225 Difference]: With dead ends: 28 [2020-10-24 14:29:24,580 INFO L226 Difference]: Without dead ends: 14 [2020-10-24 14:29:24,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 14:29:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-24 14:29:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-24 14:29:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-24 14:29:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-10-24 14:29:24,585 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-10-24 14:29:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:29:24,585 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-10-24 14:29:24,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 14:29:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-10-24 14:29:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 14:29:24,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:29:24,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 14:29:24,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 14:29:24,587 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:29:24,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:29:24,588 INFO L82 PathProgramCache]: Analyzing trace with hash -303331535, now seen corresponding path program 1 times [2020-10-24 14:29:24,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 14:29:24,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908465661] [2020-10-24 14:29:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 14:29:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 14:29:24,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 14:29:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 14:29:24,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 14:29:24,864 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 14:29:24,864 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 14:29:24,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 14:29:24,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:29:24 BoogieIcfgContainer [2020-10-24 14:29:24,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:29:24,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:29:24,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:29:24,949 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:29:24,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:29:23" (3/4) ... [2020-10-24 14:29:24,954 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 14:29:24,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:29:24,959 INFO L168 Benchmark]: Toolchain (without parser) took 2166.63 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 26.1 MB in the beginning and 49.1 MB in the end (delta: -23.0 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-24 14:29:24,961 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 48.2 MB. Free memory was 26.9 MB in the beginning and 26.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:29:24,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.06 ms. Allocated memory is still 48.2 MB. Free memory was 25.5 MB in the beginning and 27.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-24 14:29:24,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.25 ms. Allocated memory is still 48.2 MB. Free memory was 27.6 MB in the beginning and 25.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:29:24,965 INFO L168 Benchmark]: Boogie Preprocessor took 39.82 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 23.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:29:24,972 INFO L168 Benchmark]: RCFGBuilder took 559.38 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 41.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:29:24,975 INFO L168 Benchmark]: TraceAbstraction took 1137.89 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.0 MB in the beginning and 49.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:29:24,976 INFO L168 Benchmark]: Witness Printer took 6.84 ms. Allocated memory is still 73.4 MB. Free memory was 49.4 MB in the beginning and 49.1 MB in the end (delta: 295.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:29:24,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 48.2 MB. Free memory was 26.9 MB in the beginning and 26.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.06 ms. Allocated memory is still 48.2 MB. Free memory was 25.5 MB in the beginning and 27.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.25 ms. Allocated memory is still 48.2 MB. Free memory was 27.6 MB in the beginning and 25.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.82 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 23.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 559.38 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 41.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1137.89 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.0 MB in the beginning and 49.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.84 ms. Allocated memory is still 73.4 MB. Free memory was 49.4 MB in the beginning and 49.1 MB in the end (delta: 295.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 28, overapproximation of to_real at line 16, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 54. Possible FailurePath: [L16] double A1[3] = { 1, 0.5179422053046, 1.0 }; [L17] double b1[2] = { 1.470767736573, 0.5522073405779 }; [L18] double A2[3] = { 1, 1.633101801841, 1.0 }; [L19] double b2[2] = { 1.742319554830, 0.820939679242 }; [L21] double D1[2], D2[2]; [L22] double P, X; VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L43] D1[0] = 0. [L43] D1[1] = 0. [L44] D2[0] = 0. [L44] D2[1] = 0. [L45] P = 0. VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L47] COND TRUE 1 [L49] X = __VERIFIER_nondet_double() [L50] EXPR \read(X) [L50] X >= -10. && X <= 10. [L50] EXPR \read(X) [L50] X >= -10. && X <= 10. VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L11] COND FALSE !(!cond) VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L26] double x1, y1, t1, t2; [L28] EXPR \read(*x) [L28] x1 = 0.0117749388721091 * *x [L30] EXPR b1[0] [L30] EXPR D1[0] [L30] EXPR b1[1] [L30] EXPR D1[1] [L30] t1 = x1 + b1[0]*D1[0] - b1[1]*D1[1] [L31] EXPR A1[0] [L31] EXPR A1[1] [L31] EXPR D1[0] [L31] EXPR A1[2] [L31] EXPR D1[1] [L31] y1 = A1[0]*t1 - A1[1]*D1[0] + A1[2]*D1[1] [L32] EXPR D1[0] [L32] D1[1] = D1[0] [L33] D1[0] = t1 [L35] EXPR b2[0] [L35] EXPR D2[0] [L35] EXPR b2[1] [L35] EXPR D2[1] [L35] t2 = y1 + b2[0]*D2[0] - b2[1]*D2[1] [L36] EXPR A2[0] [L36] EXPR A2[1] [L36] EXPR D2[0] [L36] EXPR A2[2] [L36] EXPR D2[1] [L36] *y = A2[0]*t2 - A2[1]*D2[0] + A2[2]*D2[1] [L37] EXPR D2[0] [L37] D2[1] = D2[0] [L38] D2[0] = t2 VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L54] EXPR \read(P) [L54] P >= -1e30 && P <= 1e30 VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L13] COND TRUE !(cond) VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] [L3] __assert_fail("0", "filter_iir.c", 3, "reach_error") VAL [A1={15:0}, A2={3:0}, b1={7:0}, b2={10:0}, D1={4:0}, D2={5:0}, P={11:0}, X={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 1 SDslu, 24 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 14:29:27,578 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-24 14:29:27,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:29:27,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:29:27,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:29:27,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:29:27,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:29:27,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:29:27,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:29:27,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:29:27,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:29:27,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:29:27,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:29:27,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 14:29:27,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:29:27,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:29:27,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:29:27,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:29:27,735 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:29:27,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:29:27,735 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:29:27,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:29:27,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:29:27,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:29:27,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:29:27,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:29:27,737 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 14:29:27,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 14:29:27,738 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:29:27,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:29:27,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:29:27,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:29:27,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:29:27,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:29:27,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:29:27,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:29:27,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:29:27,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:29:27,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:29:27,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:29:27,741 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 14:29:27,741 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 14:29:27,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:29:27,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:29:27,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 14:29:27,741 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f261362f0ac0da0cacaf44edcc25ad6af198789 [2020-10-24 14:29:28,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:29:28,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:29:28,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:29:28,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:29:28,228 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:29:28,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter_iir.c [2020-10-24 14:29:28,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8176f5b16/063890bb1a5a4c1aa861c99d77b0be34/FLAG4a2540a34 [2020-10-24 14:29:29,026 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:29:29,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-benchs/filter_iir.c [2020-10-24 14:29:29,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8176f5b16/063890bb1a5a4c1aa861c99d77b0be34/FLAG4a2540a34 [2020-10-24 14:29:29,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8176f5b16/063890bb1a5a4c1aa861c99d77b0be34 [2020-10-24 14:29:29,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:29:29,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:29:29,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:29:29,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:29:29,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:29:29,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:29:29" (1/1) ... [2020-10-24 14:29:29,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a33953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:29, skipping insertion in model container [2020-10-24 14:29:29,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:29:29" (1/1) ... [2020-10-24 14:29:29,431 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:29:29,461 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:29:29,649 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:29:29,699 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:29:29,777 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:29:29,828 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:29:29,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:29 WrapperNode [2020-10-24 14:29:29,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:29:29,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:29:29,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:29:29,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:29:29,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:29:29" (1/1) ... [2020-10-24 14:29:29,850 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 14:29:29,851 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 14:29:29,851 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 14:29:29,852 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 14:29:29,852 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet11 which is not a global variable [2020-10-24 14:29:29,852 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet12 which is not a global variable [2020-10-24 14:29:29,853 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet13 which is not a global variable [2020-10-24 14:29:29,853 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet14 which is not a global variable [2020-10-24 14:29:29,854 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 14:29:29,854 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 14:29:29,854 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 14:29:29,854 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 14:29:29,855 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet11 which is not a global variable [2020-10-24 14:29:29,855 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet12 which is not a global variable [2020-10-24 14:29:29,855 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet13 which is not a global variable [2020-10-24 14:29:29,855 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet14 which is not a global variable [2020-10-24 14:29:29,858 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner has thrown an exception: java.lang.AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.checkExistingDeclarationInformation(TypeChecker.java:340) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckLeftHandSide(TypeChecker.java:360) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:781) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:846) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:957) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1033) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java: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) [2020-10-24 14:29:29,862 INFO L168 Benchmark]: Toolchain (without parser) took 493.32 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.7 MB in the beginning and 37.5 MB in the end (delta: -15.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:29:29,863 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 44.0 MB. Free memory was 26.5 MB in the beginning and 26.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:29:29,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.01 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 30.4 MB in the beginning and 38.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:29:29,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 54.5 MB. Free memory was 38.9 MB in the beginning and 37.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:29:29,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 44.0 MB. Free memory was 26.5 MB in the beginning and 26.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.01 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 30.4 MB in the beginning and 38.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 54.5 MB. Free memory was 38.9 MB in the beginning and 37.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet8 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet9 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet10 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet11 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet12 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet13 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet14 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet8 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet9 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet10 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet11 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet12 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet13 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet14 which is not a global variable * Results from de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: - ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...