./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:11:37,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:11:37,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:11:37,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:11:37,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:11:37,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:11:37,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:11:37,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:11:37,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:11:37,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:11:37,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:11:37,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:11:37,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:11:37,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:11:37,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:11:37,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:11:37,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:11:37,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:11:37,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:11:37,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:11:37,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:11:37,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:11:37,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:11:37,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:11:37,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:11:37,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:11:37,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:11:37,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:11:37,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:11:37,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:11:37,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:11:37,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:11:37,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:11:37,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:11:37,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:11:37,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:11:37,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:11:37,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:11:37,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:11:37,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:11:37,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:11:37,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 02:11:37,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:11:37,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:11:37,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:11:37,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:11:37,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:11:37,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:11:37,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:11:37,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:11:37,186 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:11:37,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:11:37,187 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:11:37,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:11:37,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:11:37,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:11:37,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:11:37,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:11:37,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:11:37,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:11:37,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:11:37,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:11:37,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:11:37,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:11:37,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:11:37,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:11:37,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:11:37,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:11:37,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:11:37,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:11:37,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:11:37,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:11:37,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:11:37,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:11:37,194 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:11:37,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:11:37,195 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-11-23 02:11:37,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:11:37,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:11:37,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:11:37,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:11:37,596 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:11:37,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-23 02:11:41,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:11:41,759 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:11:41,760 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-23 02:11:41,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data/20b62c9ef/d934089ebc7f4f97a12914bcc2beaae7/FLAG04998e19c [2022-11-23 02:11:41,790 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data/20b62c9ef/d934089ebc7f4f97a12914bcc2beaae7 [2022-11-23 02:11:41,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:11:41,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:11:41,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:11:41,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:11:41,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:11:41,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:41" (1/1) ... [2022-11-23 02:11:41,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca051cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:41, skipping insertion in model container [2022-11-23 02:11:41,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:41" (1/1) ... [2022-11-23 02:11:41,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:11:41,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:11:42,025 WARN L237 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_aa9f7967-02fb-41a1-bfc6-21bed386fc62/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-23 02:11:42,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:11:42,044 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:11:42,060 WARN L237 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_aa9f7967-02fb-41a1-bfc6-21bed386fc62/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-23 02:11:42,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:11:42,078 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:11:42,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42 WrapperNode [2022-11-23 02:11:42,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:11:42,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:11:42,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:11:42,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:11:42,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,120 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-23 02:11:42,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:11:42,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:11:42,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:11:42,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:11:42,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:11:42,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:11:42,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:11:42,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:11:42,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (1/1) ... [2022-11-23 02:11:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:11:42,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:11:42,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:11:42,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:11:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:11:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:11:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:11:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:11:42,338 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:11:42,340 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:11:42,448 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:11:42,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:11:42,456 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:11:42,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:42 BoogieIcfgContainer [2022-11-23 02:11:42,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:11:42,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:11:42,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:11:42,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:11:42,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:11:41" (1/3) ... [2022-11-23 02:11:42,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abe9f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:42, skipping insertion in model container [2022-11-23 02:11:42,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:42" (2/3) ... [2022-11-23 02:11:42,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abe9f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:42, skipping insertion in model container [2022-11-23 02:11:42,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:42" (3/3) ... [2022-11-23 02:11:42,470 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-11-23 02:11:42,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:11:42,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:11:42,561 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:11:42,572 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@293ed359, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:11:42,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:11:42,578 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) [2022-11-23 02:11:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 02:11:42,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:11:42,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 02:11:42,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:11:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:11:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-23 02:11:42,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:11:42,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574766675] [2022-11-23 02:11:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:11:42,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:11:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:11:42,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:11:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:11:42,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:11:42,810 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:11:42,812 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:11:42,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:11:42,821 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 02:11:42,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:11:42,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:11:42 BoogieIcfgContainer [2022-11-23 02:11:42,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:11:42,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:11:42,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:11:42,859 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:11:42,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:42" (3/4) ... [2022-11-23 02:11:42,867 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:11:42,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:11:42,871 INFO L158 Benchmark]: Toolchain (without parser) took 1070.17ms. Allocated memory is still 172.0MB. Free memory was 129.9MB in the beginning and 94.7MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-23 02:11:42,871 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:11:42,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.31ms. Allocated memory is still 172.0MB. Free memory was 129.5MB in the beginning and 119.9MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 02:11:42,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.74ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 118.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:11:42,875 INFO L158 Benchmark]: Boogie Preprocessor took 42.74ms. Allocated memory is still 172.0MB. Free memory was 118.5MB in the beginning and 117.8MB in the end (delta: 712.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:11:42,882 INFO L158 Benchmark]: RCFGBuilder took 293.37ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 109.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 02:11:42,883 INFO L158 Benchmark]: TraceAbstraction took 393.91ms. Allocated memory is still 172.0MB. Free memory was 108.5MB in the beginning and 95.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 02:11:42,885 INFO L158 Benchmark]: Witness Printer took 9.43ms. Allocated memory is still 172.0MB. Free memory was 95.2MB in the beginning and 94.7MB in the end (delta: 452.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:11:42,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.31ms. Allocated memory is still 172.0MB. Free memory was 129.5MB in the beginning and 119.9MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.74ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 118.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.74ms. Allocated memory is still 172.0MB. Free memory was 118.5MB in the beginning and 117.8MB in the end (delta: 712.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.37ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 109.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 393.91ms. Allocated memory is still 172.0MB. Free memory was 108.5MB in the beginning and 95.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 9.43ms. Allocated memory is still 172.0MB. Free memory was 95.2MB in the beginning and 94.7MB in the end (delta: 452.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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 [2022-11-23 02:11:42,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:11:45,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:11:45,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:11:45,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:11:45,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:11:45,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:11:45,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:11:45,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:11:45,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:11:45,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:11:45,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:11:45,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:11:45,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:11:45,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:11:45,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:11:45,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:11:45,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:11:45,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:11:45,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:11:45,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:11:45,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:11:45,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:11:45,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:11:45,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:11:45,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:11:45,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:11:45,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:11:45,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:11:45,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:11:45,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:11:45,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:11:45,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:11:45,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:11:45,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:11:45,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:11:45,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:11:45,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:11:45,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:11:45,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:11:45,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:11:45,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:11:45,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-23 02:11:45,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:11:45,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:11:45,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:11:45,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:11:46,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:11:46,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:11:46,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:11:46,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:11:46,002 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:11:46,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:11:46,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:11:46,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:11:46,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:11:46,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:11:46,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:11:46,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:11:46,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 02:11:46,006 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 02:11:46,007 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 02:11:46,007 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:11:46,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:11:46,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:11:46,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:11:46,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:11:46,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:11:46,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:11:46,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:11:46,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:11:46,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:11:46,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:11:46,010 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 02:11:46,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 02:11:46,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:11:46,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:11:46,012 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:11:46,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:11:46,012 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 02:11:46,013 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-11-23 02:11:46,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:11:46,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:11:46,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:11:46,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:11:46,560 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:11:46,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-23 02:11:50,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:11:50,577 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:11:50,577 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-23 02:11:50,585 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data/f52143a04/d53bc0f96072488f89fbe0ce9a5ce286/FLAG175a27c15 [2022-11-23 02:11:50,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/data/f52143a04/d53bc0f96072488f89fbe0ce9a5ce286 [2022-11-23 02:11:50,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:11:50,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:11:50,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:11:50,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:11:50,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:11:50,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:50,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f43056d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50, skipping insertion in model container [2022-11-23 02:11:50,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:50,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:11:50,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:11:50,904 WARN L237 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_aa9f7967-02fb-41a1-bfc6-21bed386fc62/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-23 02:11:50,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:11:50,933 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:11:50,954 WARN L237 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_aa9f7967-02fb-41a1-bfc6-21bed386fc62/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-23 02:11:50,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:11:50,974 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:11:50,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50 WrapperNode [2022-11-23 02:11:50,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:11:50,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:11:50,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:11:50,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:11:50,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:50,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,020 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-23 02:11:51,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:11:51,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:11:51,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:11:51,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:11:51,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:11:51,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:11:51,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:11:51,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:11:51,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (1/1) ... [2022-11-23 02:11:51,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:11:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:11:51,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:11:51,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:11:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:11:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:11:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:11:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 02:11:51,297 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:11:51,299 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:11:51,431 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:11:51,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:11:51,437 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:11:51,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:51 BoogieIcfgContainer [2022-11-23 02:11:51,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:11:51,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:11:51,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:11:51,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:11:51,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:11:50" (1/3) ... [2022-11-23 02:11:51,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3d3815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:51, skipping insertion in model container [2022-11-23 02:11:51,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:50" (2/3) ... [2022-11-23 02:11:51,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3d3815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:51, skipping insertion in model container [2022-11-23 02:11:51,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:51" (3/3) ... [2022-11-23 02:11:51,451 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-11-23 02:11:51,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:11:51,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:11:51,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:11:51,546 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c64d0a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:11:51,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:11:51,555 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) [2022-11-23 02:11:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 02:11:51,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:11:51,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 02:11:51,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:11:51,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:11:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-23 02:11:51,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:11:51,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740356502] [2022-11-23 02:11:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:11:51,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:11:51,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:11:51,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:11:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 02:11:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:11:51,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:11:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:11:51,744 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 02:11:51,746 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:11:51,748 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:11:51,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:11:51,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:11:51,968 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 02:11:51,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:11:51,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:11:51 BoogieIcfgContainer [2022-11-23 02:11:51,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:11:51,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:11:51,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:11:51,994 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:11:51,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:51" (3/4) ... [2022-11-23 02:11:51,997 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 02:11:52,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:11:52,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:11:52,040 INFO L158 Benchmark]: Toolchain (without parser) took 1413.81ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 32.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-23 02:11:52,040 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:11:52,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.40ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 33.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 02:11:52,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 32.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:11:52,042 INFO L158 Benchmark]: Boogie Preprocessor took 40.89ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 31.2MB in the end (delta: 949.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:11:52,043 INFO L158 Benchmark]: RCFGBuilder took 374.87ms. Allocated memory is still 71.3MB. Free memory was 31.2MB in the beginning and 45.5MB in the end (delta: -14.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-23 02:11:52,044 INFO L158 Benchmark]: TraceAbstraction took 550.26ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 33.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 02:11:52,044 INFO L158 Benchmark]: Witness Printer took 44.66ms. Allocated memory is still 71.3MB. Free memory was 33.8MB in the beginning and 32.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:11:52,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.40ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 33.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 32.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.89ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 31.2MB in the end (delta: 949.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.87ms. Allocated memory is still 71.3MB. Free memory was 31.2MB in the beginning and 45.5MB in the end (delta: -14.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * TraceAbstraction took 550.26ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 33.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 44.66ms. Allocated memory is still 71.3MB. Free memory was 33.8MB in the beginning and 32.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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! [2022-11-23 02:11:52,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9f7967-02fb-41a1-bfc6-21bed386fc62/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE