./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3 --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 b1f9b2a64ac8332aa15e2933167297b40e5bbe55 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3 --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 b1f9b2a64ac8332aa15e2933167297b40e5bbe55 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:00:15,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:00:15,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:00:15,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:00:15,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:00:15,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:00:15,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:00:15,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:00:15,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:00:15,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:00:15,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:00:15,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:00:15,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:00:15,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:00:15,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:00:15,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:00:15,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:00:15,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:00:15,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:00:15,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:00:15,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:00:15,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:00:15,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:00:15,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:00:15,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:00:15,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:00:15,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:00:15,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:00:15,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:00:15,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:00:15,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:00:15,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:00:15,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:00:15,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:00:15,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:00:15,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:00:15,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:00:15,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:00:15,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:00:15,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:00:15,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:00:15,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:00:15,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:00:15,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:00:15,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:00:15,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:00:15,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:00:15,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:00:15,335 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:00:15,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:00:15,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:00:15,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:00:15,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:00:15,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:00:15,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:00:15,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:00:15,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:00:15,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:00:15,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:00:15,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:00:15,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:00:15,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:00:15,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:00:15,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:00:15,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:00:15,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:00:15,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:00:15,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:00:15,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:00:15,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:00:15,346 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:00:15,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:00:15,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:00:15,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:00:15,347 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1f9b2a64ac8332aa15e2933167297b40e5bbe55 [2021-10-15 20:00:15,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:00:15,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:00:15,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:00:15,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:00:15,728 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:00:15,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c [2021-10-15 20:00:15,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/f802ca3b7/490dbfa178c9470d92e00c04749376c9/FLAG87fda4d59 [2021-10-15 20:00:16,518 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:00:16,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c [2021-10-15 20:00:16,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/f802ca3b7/490dbfa178c9470d92e00c04749376c9/FLAG87fda4d59 [2021-10-15 20:00:16,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/f802ca3b7/490dbfa178c9470d92e00c04749376c9 [2021-10-15 20:00:16,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:00:16,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:00:16,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:00:16,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:00:16,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:00:16,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:00:16" (1/1) ... [2021-10-15 20:00:16,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56315d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:16, skipping insertion in model container [2021-10-15 20:00:16,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:00:16" (1/1) ... [2021-10-15 20:00:16,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:00:16,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:00:17,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c[21291,21304] [2021-10-15 20:00:17,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:00:17,360 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:00:17,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c[21291,21304] [2021-10-15 20:00:17,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:00:17,585 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:00:17,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17 WrapperNode [2021-10-15 20:00:17,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:00:17,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:00:17,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:00:17,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:00:17,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:17,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:17,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:00:17,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:00:17,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:00:17,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:00:17,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:17,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:17,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:17,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:18,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:18,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:18,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:18,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:00:18,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:00:18,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:00:18,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:00:18,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (1/1) ... [2021-10-15 20:00:18,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:00:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:00:18,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:00:18,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:00:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:00:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:00:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:00:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:00:20,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:00:20,047 INFO L299 CfgBuilder]: Removed 786 assume(true) statements. [2021-10-15 20:00:20,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:00:20 BoogieIcfgContainer [2021-10-15 20:00:20,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:00:20,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:00:20,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:00:20,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:00:20,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:00:16" (1/3) ... [2021-10-15 20:00:20,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa3c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:00:20, skipping insertion in model container [2021-10-15 20:00:20,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:17" (2/3) ... [2021-10-15 20:00:20,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa3c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:00:20, skipping insertion in model container [2021-10-15 20:00:20,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:00:20" (3/3) ... [2021-10-15 20:00:20,096 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-2-0-sat-3.c [2021-10-15 20:00:20,103 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:00:20,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:00:20,180 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:00:20,192 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, mConcurrency=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 [2021-10-15 20:00:20,193 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:00:20,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 1178 transitions, 2356 flow [2021-10-15 20:00:20,844 INFO L129 PetriNetUnfolder]: 391/1178 cut-off events. [2021-10-15 20:00:20,844 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:00:20,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 1178 events. 391/1178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 392 event pairs, 0 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 20:00:20,848 INFO L82 GeneralOperation]: Start removeDead. Operand has 788 places, 1178 transitions, 2356 flow [2021-10-15 20:00:20,867 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 785 places, 1175 transitions, 2350 flow [2021-10-15 20:00:21,237 INFO L129 PetriNetUnfolder]: 391/1174 cut-off events. [2021-10-15 20:00:21,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:00:21,238 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:00:21,240 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:00:21,241 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:00:21,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:00:21,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1691316711, now seen corresponding path program 1 times [2021-10-15 20:00:21,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:00:21,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738801245] [2021-10-15 20:00:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:00:21,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:00:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:00:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:00:22,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:00:22,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738801245] [2021-10-15 20:00:22,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738801245] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:00:22,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:00:22,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:00:22,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763838843] [2021-10-15 20:00:22,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 20:00:22,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:00:22,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 20:00:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 20:00:22,146 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 786 out of 1178 [2021-10-15 20:00:22,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 1175 transitions, 2350 flow. Second operand has 2 states, 2 states have (on average 887.5) internal successors, (1775), 2 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:22,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 20:00:22,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 786 of 1178 [2021-10-15 20:00:22,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 20:00:22,588 INFO L129 PetriNetUnfolder]: 0/784 cut-off events. [2021-10-15 20:00:22,589 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:00:22,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 784 events. 0/784 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 391/1175 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-15 20:00:22,595 INFO L132 encePairwiseOnDemand]: 787/1178 looper letters, 0 selfloop transitions, 0 changer transitions 0/784 dead transitions. [2021-10-15 20:00:22,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:22,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:00:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 20:00:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1963 transitions. [2021-10-15 20:00:22,634 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8331918505942275 [2021-10-15 20:00:22,635 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1963 transitions. [2021-10-15 20:00:22,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1963 transitions. [2021-10-15 20:00:22,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:00:22,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1963 transitions. [2021-10-15 20:00:22,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 981.5) internal successors, (1963), 2 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:22,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1178.0) internal successors, (3534), 3 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:22,681 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1178.0) internal successors, (3534), 3 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:22,683 INFO L186 Difference]: Start difference. First operand has 785 places, 1175 transitions, 2350 flow. Second operand 2 states and 1963 transitions. [2021-10-15 20:00:22,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:22,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 784 transitions, 1568 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 20:00:22,782 INFO L242 Difference]: Finished difference. Result has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:22,786 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, PETRI_DIFFERENCE_MINUEND_FLOW=1568, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=784, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1568, PETRI_PLACES=786, PETRI_TRANSITIONS=784} [2021-10-15 20:00:22,787 INFO L334 CegarLoopForPetriNet]: 785 programPoint places, 1 predicate places. [2021-10-15 20:00:22,788 INFO L470 AbstractCegarLoop]: Abstraction has has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:22,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 887.5) internal successors, (1775), 2 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:22,790 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:00:22,792 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:00:22,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 20:00:22,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:00:22,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:00:22,794 INFO L82 PathProgramCache]: Analyzing trace with hash -993696879, now seen corresponding path program 1 times [2021-10-15 20:00:22,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:00:22,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141476868] [2021-10-15 20:00:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:00:22,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:00:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:00:27,232 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:00:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:00:31,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:00:31,212 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 20:00:31,214 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 20:00:31,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 20:00:31,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:00:31,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:00:31 BoogieIcfgContainer [2021-10-15 20:00:31,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:00:31,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:00:31,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:00:31,798 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:00:31,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:00:20" (3/4) ... [2021-10-15 20:00:31,804 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:00:31,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:00:31,808 INFO L168 Benchmark]: Toolchain (without parser) took 15089.71 ms. Allocated memory was 117.4 MB in the beginning and 434.1 MB in the end (delta: 316.7 MB). Free memory was 77.4 MB in the beginning and 287.8 MB in the end (delta: -210.4 MB). Peak memory consumption was 104.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:31,809 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory is still 94.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:00:31,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.18 ms. Allocated memory is still 117.4 MB. Free memory was 77.2 MB in the beginning and 67.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:31,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 307.22 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 67.4 MB in the beginning and 134.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:31,822 INFO L168 Benchmark]: Boogie Preprocessor took 215.86 ms. Allocated memory is still 165.7 MB. Free memory was 134.0 MB in the beginning and 124.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:31,823 INFO L168 Benchmark]: RCFGBuilder took 1961.38 ms. Allocated memory is still 165.7 MB. Free memory was 124.6 MB in the beginning and 120.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:31,824 INFO L168 Benchmark]: TraceAbstraction took 11718.77 ms. Allocated memory was 165.7 MB in the beginning and 434.1 MB in the end (delta: 268.4 MB). Free memory was 119.7 MB in the beginning and 287.8 MB in the end (delta: -168.0 MB). Peak memory consumption was 269.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:31,825 INFO L168 Benchmark]: Witness Printer took 6.48 ms. Allocated memory is still 434.1 MB. Free memory is still 287.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:00:31,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory is still 94.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 868.18 ms. Allocated memory is still 117.4 MB. Free memory was 77.2 MB in the beginning and 67.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 307.22 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 67.4 MB in the beginning and 134.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 215.86 ms. Allocated memory is still 165.7 MB. Free memory was 134.0 MB in the beginning and 124.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1961.38 ms. Allocated memory is still 165.7 MB. Free memory was 124.6 MB in the beginning and 120.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11718.77 ms. Allocated memory was 165.7 MB in the beginning and 434.1 MB in the end (delta: 268.4 MB). Free memory was 119.7 MB in the beginning and 287.8 MB in the end (delta: -168.0 MB). Peak memory consumption was 269.2 MB. Max. memory is 16.1 GB. * Witness Printer took 6.48 ms. Allocated memory is still 434.1 MB. Free memory is still 287.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 628]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 626. Possible FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L628] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 788 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 369.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11046.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 662.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 674.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2350occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 84.7ms SsaConstructionTime, 4444.1ms SatisfiabilityAnalysisTime, 631.7ms InterpolantComputationTime, 1568 NumberOfCodeBlocks, 1568 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-10-15 20:00:31,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:00:34,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:00:34,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:00:35,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:00:35,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:00:35,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:00:35,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:00:35,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:00:35,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:00:35,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:00:35,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:00:35,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:00:35,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:00:35,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:00:35,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:00:35,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:00:35,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:00:35,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:00:35,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:00:35,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:00:35,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:00:35,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:00:35,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:00:35,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:00:35,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:00:35,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:00:35,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:00:35,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:00:35,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:00:35,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:00:35,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:00:35,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:00:35,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:00:35,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:00:35,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:00:35,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:00:35,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:00:35,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:00:35,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:00:35,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:00:35,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:00:35,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:00:35,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:00:35,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:00:35,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:00:35,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:00:35,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:00:35,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:00:35,217 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:00:35,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:00:35,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:00:35,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:00:35,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:00:35,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:00:35,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:00:35,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:00:35,221 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:00:35,221 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:00:35,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:00:35,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:00:35,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:00:35,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:00:35,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:00:35,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:00:35,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:00:35,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:00:35,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:00:35,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:00:35,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:00:35,225 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:00:35,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:00:35,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:00:35,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:00:35,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:00:35,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:00:35,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:00:35,227 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1f9b2a64ac8332aa15e2933167297b40e5bbe55 [2021-10-15 20:00:35,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:00:35,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:00:35,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:00:35,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:00:35,742 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:00:35,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c [2021-10-15 20:00:35,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/d52614b5e/fc96bb46b22d48e8a54d5838329d36bd/FLAG8bdc4fc90 [2021-10-15 20:00:36,655 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:00:36,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c [2021-10-15 20:00:36,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/d52614b5e/fc96bb46b22d48e8a54d5838329d36bd/FLAG8bdc4fc90 [2021-10-15 20:00:36,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/data/d52614b5e/fc96bb46b22d48e8a54d5838329d36bd [2021-10-15 20:00:36,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:00:36,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:00:36,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:00:36,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:00:36,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:00:36,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:00:36" (1/1) ... [2021-10-15 20:00:36,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6baec97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:36, skipping insertion in model container [2021-10-15 20:00:36,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:00:36" (1/1) ... [2021-10-15 20:00:36,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:00:36,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:00:37,544 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c[21291,21304] [2021-10-15 20:00:37,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:00:37,614 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:00:37,766 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/sv-benchmarks/c/xcsp/aim-100-2-0-sat-3.c[21291,21304] [2021-10-15 20:00:37,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:00:37,805 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:00:37,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37 WrapperNode [2021-10-15 20:00:37,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:00:37,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:00:37,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:00:37,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:00:37,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:37,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:00:38,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:00:38,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:00:38,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:00:38,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:00:38,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:00:38,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:00:38,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:00:38,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (1/1) ... [2021-10-15 20:00:38,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:00:38,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:00:38,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:00:38,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:00:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:00:41,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:00:41,115 INFO L299 CfgBuilder]: Removed 786 assume(true) statements. [2021-10-15 20:00:41,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:00:41 BoogieIcfgContainer [2021-10-15 20:00:41,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:00:41,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:00:41,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:00:41,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:00:41,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:00:36" (1/3) ... [2021-10-15 20:00:41,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690c26f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:00:41, skipping insertion in model container [2021-10-15 20:00:41,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:00:37" (2/3) ... [2021-10-15 20:00:41,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690c26f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:00:41, skipping insertion in model container [2021-10-15 20:00:41,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:00:41" (3/3) ... [2021-10-15 20:00:41,131 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-2-0-sat-3.c [2021-10-15 20:00:41,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:00:41,138 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:00:41,198 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:00:41,206 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, mConcurrency=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 [2021-10-15 20:00:41,207 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:00:41,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 1178 transitions, 2356 flow [2021-10-15 20:00:41,829 INFO L129 PetriNetUnfolder]: 391/1178 cut-off events. [2021-10-15 20:00:41,829 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:00:41,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 1178 events. 391/1178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 392 event pairs, 0 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 20:00:41,835 INFO L82 GeneralOperation]: Start removeDead. Operand has 788 places, 1178 transitions, 2356 flow [2021-10-15 20:00:41,863 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 785 places, 1175 transitions, 2350 flow [2021-10-15 20:00:42,245 INFO L129 PetriNetUnfolder]: 391/1174 cut-off events. [2021-10-15 20:00:42,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:00:42,246 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:00:42,249 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:00:42,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:00:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:00:42,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1691316711, now seen corresponding path program 1 times [2021-10-15 20:00:42,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:00:42,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712813493] [2021-10-15 20:00:42,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:00:42,287 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:00:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:00:42,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:00:42,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 20:00:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:00:43,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-15 20:00:43,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:00:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:00:45,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:00:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:00:46,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:00:46,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712813493] [2021-10-15 20:00:46,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712813493] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 20:00:46,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:00:46,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-15 20:00:46,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504190326] [2021-10-15 20:00:46,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 20:00:46,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:00:46,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 20:00:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 20:00:46,940 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 786 out of 1178 [2021-10-15 20:00:46,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 1175 transitions, 2350 flow. Second operand has 2 states, 2 states have (on average 887.5) internal successors, (1775), 2 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:46,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 20:00:46,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 786 of 1178 [2021-10-15 20:00:46,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 20:00:47,279 INFO L129 PetriNetUnfolder]: 0/784 cut-off events. [2021-10-15 20:00:47,280 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:00:47,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 784 events. 0/784 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 391/1175 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-15 20:00:47,284 INFO L132 encePairwiseOnDemand]: 787/1178 looper letters, 0 selfloop transitions, 0 changer transitions 0/784 dead transitions. [2021-10-15 20:00:47,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:00:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 20:00:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1963 transitions. [2021-10-15 20:00:47,314 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8331918505942275 [2021-10-15 20:00:47,315 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1963 transitions. [2021-10-15 20:00:47,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1963 transitions. [2021-10-15 20:00:47,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:00:47,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1963 transitions. [2021-10-15 20:00:47,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 981.5) internal successors, (1963), 2 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:47,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1178.0) internal successors, (3534), 3 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:47,361 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1178.0) internal successors, (3534), 3 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:47,364 INFO L186 Difference]: Start difference. First operand has 785 places, 1175 transitions, 2350 flow. Second operand 2 states and 1963 transitions. [2021-10-15 20:00:47,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:47,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 784 transitions, 1568 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 20:00:47,398 INFO L242 Difference]: Finished difference. Result has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:47,402 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, PETRI_DIFFERENCE_MINUEND_FLOW=1568, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=784, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1568, PETRI_PLACES=786, PETRI_TRANSITIONS=784} [2021-10-15 20:00:47,403 INFO L334 CegarLoopForPetriNet]: 785 programPoint places, 1 predicate places. [2021-10-15 20:00:47,403 INFO L470 AbstractCegarLoop]: Abstraction has has 786 places, 784 transitions, 1568 flow [2021-10-15 20:00:47,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 887.5) internal successors, (1775), 2 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:00:47,405 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:00:47,406 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:00:47,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:00:47,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:00:47,630 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:00:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:00:47,631 INFO L82 PathProgramCache]: Analyzing trace with hash -993696879, now seen corresponding path program 1 times [2021-10-15 20:00:47,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:00:47,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093206077] [2021-10-15 20:00:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:00:47,635 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:00:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:00:47,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:00:47,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-15 20:00:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:00:51,514 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:00:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:00:57,855 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-15 20:00:57,855 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 20:00:57,859 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 20:00:57,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-15 20:00:58,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:00:58,083 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:00:58,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:00:58 BoogieIcfgContainer [2021-10-15 20:00:58,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:00:58,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:00:58,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:00:58,512 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:00:58,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:00:41" (3/4) ... [2021-10-15 20:00:58,514 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-15 20:00:58,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 20:00:58,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:00:58,851 INFO L168 Benchmark]: Toolchain (without parser) took 21980.79 ms. Allocated memory was 92.3 MB in the beginning and 218.1 MB in the end (delta: 125.8 MB). Free memory was 56.6 MB in the beginning and 87.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 122.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,852 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 74.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:00:58,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 934.64 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 62.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 320.38 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 67.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,853 INFO L168 Benchmark]: Boogie Preprocessor took 225.40 ms. Allocated memory is still 92.3 MB. Free memory was 67.7 MB in the beginning and 58.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,854 INFO L168 Benchmark]: RCFGBuilder took 2764.93 ms. Allocated memory was 92.3 MB in the beginning and 140.5 MB in the end (delta: 48.2 MB). Free memory was 58.0 MB in the beginning and 95.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,854 INFO L168 Benchmark]: TraceAbstraction took 17388.71 ms. Allocated memory was 140.5 MB in the beginning and 218.1 MB in the end (delta: 77.6 MB). Free memory was 95.1 MB in the beginning and 70.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 102.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,855 INFO L168 Benchmark]: Witness Printer took 337.95 ms. Allocated memory is still 218.1 MB. Free memory was 70.6 MB in the beginning and 87.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:00:58,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 74.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 934.64 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 62.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 320.38 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 67.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 225.40 ms. Allocated memory is still 92.3 MB. Free memory was 67.7 MB in the beginning and 58.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2764.93 ms. Allocated memory was 92.3 MB in the beginning and 140.5 MB in the end (delta: 48.2 MB). Free memory was 58.0 MB in the beginning and 95.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17388.71 ms. Allocated memory was 140.5 MB in the beginning and 218.1 MB in the end (delta: 77.6 MB). Free memory was 95.1 MB in the beginning and 70.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 102.1 MB. Max. memory is 16.1 GB. * Witness Printer took 337.95 ms. Allocated memory is still 218.1 MB. Free memory was 70.6 MB in the beginning and 87.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 628]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L628] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 788 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 382.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16885.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 475.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 656.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1566 GetRequests, 1566 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2350occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 290.3ms SsaConstructionTime, 4065.5ms SatisfiabilityAnalysisTime, 3625.0ms InterpolantComputationTime, 1568 NumberOfCodeBlocks, 1568 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1566 ConstructedInterpolants, 0 QuantifiedInterpolants, 1566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 1 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 proved your program to be incorrect! [2021-10-15 20:00:58,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8d0f20-24f2-4b5f-888c-f2386f867534/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...