./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF --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 217c18baca642e8d6a626db305dee4233ed39a81c9786be0e6fc824ab7a0c7c5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:46:39,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:46:39,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:46:40,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:46:40,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:46:40,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:46:40,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:46:40,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:46:40,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:46:40,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:46:40,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:46:40,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:46:40,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:46:40,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:46:40,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:46:40,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:46:40,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:46:40,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:46:40,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:46:40,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:46:40,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:46:40,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:46:40,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:46:40,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:46:40,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:46:40,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:46:40,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:46:40,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:46:40,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:46:40,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:46:40,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:46:40,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:46:40,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:46:40,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:46:40,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:46:40,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:46:40,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:46:40,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:46:40,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:46:40,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:46:40,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:46:40,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:46:40,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:46:40,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:46:40,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:46:40,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:46:40,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:46:40,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:46:40,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:46:40,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:46:40,118 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:46:40,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:46:40,119 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:46:40,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:46:40,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:46:40,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:46:40,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:46:40,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:46:40,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:46:40,121 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:46:40,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:46:40,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:46:40,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:46:40,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:46:40,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:46:40,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:46:40,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:40,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:46:40,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:46:40,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:46:40,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:46:40,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:46:40,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:46:40,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:46:40,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:46:40,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:46:40,125 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_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 217c18baca642e8d6a626db305dee4233ed39a81c9786be0e6fc824ab7a0c7c5 [2021-11-20 06:46:40,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:46:40,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:46:40,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:46:40,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:46:40,388 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:46:40,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/eca-rers2012/Problem08_label00.c [2021-11-20 06:46:40,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/9f33ca3e1/5a60e42af2c84af39790a106c33eaebd/FLAG972dcafa5 [2021-11-20 06:46:44,340 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:46:44,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/sv-benchmarks/c/eca-rers2012/Problem08_label00.c [2021-11-20 06:46:44,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/9f33ca3e1/5a60e42af2c84af39790a106c33eaebd/FLAG972dcafa5 [2021-11-20 06:46:44,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/9f33ca3e1/5a60e42af2c84af39790a106c33eaebd [2021-11-20 06:46:44,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:46:44,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:46:44,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:44,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:46:44,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:46:44,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:44" (1/1) ... [2021-11-20 06:46:44,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c798a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44, skipping insertion in model container [2021-11-20 06:46:44,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:44" (1/1) ... [2021-11-20 06:46:44,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:46:46,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:47:12,111 WARN L230 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_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/sv-benchmarks/c/eca-rers2012/Problem08_label00.c[5715910,5715923] [2021-11-20 06:47:12,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:47:12,247 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:47:26,286 WARN L230 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_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/sv-benchmarks/c/eca-rers2012/Problem08_label00.c[5715910,5715923] [2021-11-20 06:47:26,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:47:30,786 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:47:30,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30 WrapperNode [2021-11-20 06:47:30,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:47:30,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:47:30,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:47:30,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:47:30,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:31,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:36,884 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-20 06:47:36,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:47:36,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:47:36,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:47:36,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:47:36,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:36,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:37,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:37,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:39,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:41,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:41,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:41,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:47:41,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:47:41,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:47:41,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:47:41,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ... [2021-11-20 06:47:41,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:47:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:47:42,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:47:42,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:47:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:47:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:47:42,214 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:47:42,216 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:48:47,665 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:48:47,787 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:48:47,787 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:48:47,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:47 BoogieIcfgContainer [2021-11-20 06:48:47,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:48:47,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:48:47,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:48:47,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:48:47,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:46:44" (1/3) ... [2021-11-20 06:48:47,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dcea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:48:47, skipping insertion in model container [2021-11-20 06:48:47,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (2/3) ... [2021-11-20 06:48:47,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dcea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:48:47, skipping insertion in model container [2021-11-20 06:48:47,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:47" (3/3) ... [2021-11-20 06:48:47,821 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem08_label00.c [2021-11-20 06:48:47,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:48:47,827 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:48:47,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:48:47,936 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 [2021-11-20 06:48:47,936 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:48:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 23215 states, 23213 states have (on average 1.8828673588075646) internal successors, (43707), 23214 states have internal predecessors, (43707), 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)