./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 ........................................................................................................................................................................................................................................ 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 .............................................................................................................................................................................................................................................. 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-b2eff8b [2021-10-28 09:58:26,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:58:26,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:58:26,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:58:26,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:58:26,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:58:26,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:58:26,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:58:26,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:58:26,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:58:26,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:58:26,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:58:26,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:58:26,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:58:26,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:58:26,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:58:26,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:58:26,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:58:26,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:58:26,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:58:26,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:58:26,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:58:26,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:58:26,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:58:26,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:58:26,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:58:26,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:58:26,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:58:26,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:58:26,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:58:26,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:58:26,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:58:26,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:58:26,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:58:26,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:58:26,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:58:26,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:58:26,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:58:26,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:58:26,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:58:26,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:58:26,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:58:26,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:58:26,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:58:26,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:58:26,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:58:26,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:58:26,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:58:26,923 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:58:26,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:58:26,924 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:58:26,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:58:26,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:58:26,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:58:26,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:58:26,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:58:26,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:58:26,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:58:26,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:58:26,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:58:26,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:58:26,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:58:26,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:58:26,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:58:26,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:58:26,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:58:26,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:58:26,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:58:26,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:58:26,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:58:26,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:58:26,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:58:26,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:58:26,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:58:26,930 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-10-28 09:58:27,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:58:27,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:58:27,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:58:27,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:58:27,205 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:58:27,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 09:58:27,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/e6366d8db/62479d7b6e6b4ea39cf897bf0123bb97/FLAGb6145306c [2021-10-28 09:58:27,758 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:58:27,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 09:58:27,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/e6366d8db/62479d7b6e6b4ea39cf897bf0123bb97/FLAGb6145306c [2021-10-28 09:58:28,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/e6366d8db/62479d7b6e6b4ea39cf897bf0123bb97 [2021-10-28 09:58:28,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:58:28,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:58:28,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:58:28,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:58:28,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:58:28,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fed17eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28, skipping insertion in model container [2021-10-28 09:58:28,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:58:28,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:58:28,292 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 09:58:28,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:58:28,305 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:58:28,318 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 09:58:28,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:58:28,331 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:58:28,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28 WrapperNode [2021-10-28 09:58:28,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:58:28,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:58:28,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:58:28,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:58:28,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:58:28,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:58:28,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:58:28,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:58:28,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:58:28,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:58:28,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:58:28,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:58:28,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (1/1) ... [2021-10-28 09:58:28,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:58:28,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:58:28,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:58:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:58:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:58:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:58:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:58:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:58:28,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:58:28,690 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 09:58:28,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:58:28 BoogieIcfgContainer [2021-10-28 09:58:28,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:58:28,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:58:28,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:58:28,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:58:28,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:58:28" (1/3) ... [2021-10-28 09:58:28,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acec275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:58:28, skipping insertion in model container [2021-10-28 09:58:28,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:28" (2/3) ... [2021-10-28 09:58:28,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acec275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:58:28, skipping insertion in model container [2021-10-28 09:58:28,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:58:28" (3/3) ... [2021-10-28 09:58:28,710 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-28 09:58:28,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:58:28,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:58:28,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:58:28,772 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:58:28,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:58:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-28 09:58:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 09:58:28,790 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:58:28,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 09:58:28,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:58:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:58:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 09:58:28,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:58:28,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985445774] [2021-10-28 09:58:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:58:28,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:58:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:58:28,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:58:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:58:28,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:58:28,943 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:58:28,944 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:58:28,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:58:28,960 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 09:58:28,962 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:58:28,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:58:28 BoogieIcfgContainer [2021-10-28 09:58:28,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:58:28,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:58:28,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:58:28,977 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:58:28,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:58:28" (3/4) ... [2021-10-28 09:58:28,980 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:58:28,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:58:28,983 INFO L168 Benchmark]: Toolchain (without parser) took 838.02 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 84.8 MB in the beginning and 112.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:28,983 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 109.1 MB. Free memory is still 87.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:28,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.00 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 75.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:28,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.54 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 74.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:28,986 INFO L168 Benchmark]: Boogie Preprocessor took 21.45 ms. Allocated memory is still 109.1 MB. Free memory was 74.1 MB in the beginning and 73.3 MB in the end (delta: 776.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:28,986 INFO L168 Benchmark]: RCFGBuilder took 293.37 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 64.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:28,987 INFO L168 Benchmark]: TraceAbstraction took 281.62 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 64.3 MB in the beginning and 112.4 MB in the end (delta: -48.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:28,988 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 138.4 MB. Free memory was 112.4 MB in the beginning and 112.1 MB in the end (delta: 318.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:28,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 109.1 MB. Free memory is still 87.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 188.00 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 75.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.54 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 74.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.45 ms. Allocated memory is still 109.1 MB. Free memory was 74.1 MB in the beginning and 73.3 MB in the end (delta: 776.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 293.37 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 64.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 281.62 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 64.3 MB in the beginning and 112.4 MB in the end (delta: -48.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.44 ms. Allocated memory is still 138.4 MB. Free memory was 112.4 MB in the beginning and 112.1 MB in the end (delta: 318.6 kB). 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2021-10-28 09:58:29,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/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-b2eff8b [2021-10-28 09:58:31,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:58:31,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:58:31,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:58:31,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:58:31,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:58:31,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:58:31,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:58:31,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:58:31,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:58:31,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:58:31,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:58:31,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:58:31,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:58:31,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:58:31,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:58:31,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:58:31,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:58:31,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:58:31,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:58:31,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:58:31,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:58:31,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:58:31,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:58:31,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:58:31,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:58:31,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:58:31,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:58:31,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:58:31,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:58:31,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:58:31,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:58:31,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:58:31,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:58:31,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:58:31,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:58:31,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:58:31,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:58:31,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:58:31,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:58:31,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:58:31,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:58:31,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:58:31,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:58:31,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:58:31,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:58:31,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:58:31,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:58:31,548 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:58:31,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:58:31,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:58:31,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:58:31,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:58:31,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:58:31,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:58:31,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:58:31,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:58:31,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:58:31,550 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:58:31,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:58:31,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:58:31,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:58:31,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:58:31,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:58:31,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:58:31,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:58:31,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:58:31,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:58:31,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:58:31,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:58:31,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:58:31,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:58:31,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:58:31,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:58:31,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:58:31,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:58:31,553 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-10-28 09:58:31,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:58:31,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:58:31,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:58:31,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:58:31,956 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:58:31,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 09:58:32,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/2ec4eeb80/89ea39a668184fd6b32170abba727910/FLAGd0998ceff [2021-10-28 09:58:32,487 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:58:32,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 09:58:32,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/2ec4eeb80/89ea39a668184fd6b32170abba727910/FLAGd0998ceff [2021-10-28 09:58:32,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/data/2ec4eeb80/89ea39a668184fd6b32170abba727910 [2021-10-28 09:58:32,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:58:32,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:58:32,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:58:32,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:58:32,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:58:32,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:58:32" (1/1) ... [2021-10-28 09:58:32,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1052fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:32, skipping insertion in model container [2021-10-28 09:58:32,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:58:32" (1/1) ... [2021-10-28 09:58:32,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:58:32,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:58:33,069 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 09:58:33,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:58:33,090 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:58:33,127 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_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 09:58:33,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:58:33,155 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:58:33,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33 WrapperNode [2021-10-28 09:58:33,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:58:33,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:58:33,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:58:33,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:58:33,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:58:33,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:58:33,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:58:33,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:58:33,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:58:33,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:58:33,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:58:33,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:58:33,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (1/1) ... [2021-10-28 09:58:33,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:58:33,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:58:33,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:58:33,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:58:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:58:33,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:58:33,447 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 09:58:33,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:58:33 BoogieIcfgContainer [2021-10-28 09:58:33,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:58:33,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:58:33,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:58:33,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:58:33,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:58:32" (1/3) ... [2021-10-28 09:58:33,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e3ef91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:58:33, skipping insertion in model container [2021-10-28 09:58:33,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:58:33" (2/3) ... [2021-10-28 09:58:33,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e3ef91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:58:33, skipping insertion in model container [2021-10-28 09:58:33,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:58:33" (3/3) ... [2021-10-28 09:58:33,457 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-28 09:58:33,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:58:33,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:58:33,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:58:33,516 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:58:33,516 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:58:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-28 09:58:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 09:58:33,534 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:58:33,534 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 09:58:33,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:58:33,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:58:33,540 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 09:58:33,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:58:33,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664624886] [2021-10-28 09:58:33,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:58:33,568 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:58:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:58:33,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:58:33,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:58:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:58:33,645 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:58:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:58:33,726 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 09:58:33,728 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:58:33,729 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:58:33,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:58:33,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:58:33,935 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 09:58:33,938 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:58:33,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:58:33 BoogieIcfgContainer [2021-10-28 09:58:33,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:58:33,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:58:33,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:58:33,957 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:58:33,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:58:33" (3/4) ... [2021-10-28 09:58:33,959 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:58:34,012 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:58:34,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:58:34,020 INFO L168 Benchmark]: Toolchain (without parser) took 1133.46 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 37.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:34,021 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 58.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:34,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.14 ms. Allocated memory is still 77.6 MB. Free memory was 42.5 MB in the beginning and 61.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:34,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.38 ms. Allocated memory is still 77.6 MB. Free memory was 61.9 MB in the beginning and 60.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:34,025 INFO L168 Benchmark]: Boogie Preprocessor took 20.04 ms. Allocated memory is still 77.6 MB. Free memory was 60.6 MB in the beginning and 59.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:34,025 INFO L168 Benchmark]: RCFGBuilder took 242.95 ms. Allocated memory is still 77.6 MB. Free memory was 59.5 MB in the beginning and 50.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:34,029 INFO L168 Benchmark]: TraceAbstraction took 504.96 ms. Allocated memory is still 77.6 MB. Free memory was 50.2 MB in the beginning and 38.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:34,030 INFO L168 Benchmark]: Witness Printer took 56.89 ms. Allocated memory is still 77.6 MB. Free memory was 38.8 MB in the beginning and 37.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:34,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 58.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.14 ms. Allocated memory is still 77.6 MB. Free memory was 42.5 MB in the beginning and 61.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.38 ms. Allocated memory is still 77.6 MB. Free memory was 61.9 MB in the beginning and 60.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.04 ms. Allocated memory is still 77.6 MB. Free memory was 60.6 MB in the beginning and 59.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 242.95 ms. Allocated memory is still 77.6 MB. Free memory was 59.5 MB in the beginning and 50.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 504.96 ms. Allocated memory is still 77.6 MB. Free memory was 50.2 MB in the beginning and 38.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 56.89 ms. Allocated memory is still 77.6 MB. Free memory was 38.8 MB in the beginning and 37.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2021-10-28 09:58:34,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc0668e-9ff0-48bb-9ab7-20adc57ab372/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...