./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU --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 63c09076012948d358ef22d7f5bfd1d18463c56506eb9759740cc4520130fa60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:24:22,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:24:22,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:24:22,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:24:22,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:24:22,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:24:22,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:24:22,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:24:22,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:24:22,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:24:22,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:24:22,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:24:22,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:24:22,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:24:22,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:24:22,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:24:22,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:24:22,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:24:22,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:24:22,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:24:22,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:24:22,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:24:22,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:24:22,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:24:22,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:24:22,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:24:22,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:24:22,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:24:22,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:24:22,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:24:22,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:24:22,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:24:22,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:24:22,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:24:22,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:24:22,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:24:22,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:24:22,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:24:22,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:24:22,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:24:22,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:24:22,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:24:22,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:24:22,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:24:22,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:24:22,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:24:22,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:24:22,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:24:22,406 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:24:22,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:24:22,407 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:24:22,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:24:22,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:24:22,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:24:22,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:24:22,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:24:22,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:24:22,408 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:24:22,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:24:22,409 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:24:22,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:24:22,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:24:22,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:24:22,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:24:22,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:24:22,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:24:22,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:24:22,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:24:22,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:24:22,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:24:22,411 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:24:22,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:24:22,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:24:22,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:24:22,412 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_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c09076012948d358ef22d7f5bfd1d18463c56506eb9759740cc4520130fa60 [2021-11-02 22:24:22,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:24:22,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:24:22,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:24:22,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:24:22,751 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:24:22,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/psyco/psyco_math_1.c [2021-11-02 22:24:22,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/data/b6a1749a8/03bb3fcacb944c678a69fd782316af3f/FLAGafe843c43 [2021-11-02 22:24:23,282 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:24:23,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/sv-benchmarks/c/psyco/psyco_math_1.c [2021-11-02 22:24:23,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/data/b6a1749a8/03bb3fcacb944c678a69fd782316af3f/FLAGafe843c43 [2021-11-02 22:24:23,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/data/b6a1749a8/03bb3fcacb944c678a69fd782316af3f [2021-11-02 22:24:23,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:24:23,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:24:23,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:24:23,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:24:23,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:24:23,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:24:23" (1/1) ... [2021-11-02 22:24:23,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ea47b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:23, skipping insertion in model container [2021-11-02 22:24:23,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:24:23" (1/1) ... [2021-11-02 22:24:23,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:24:23,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:24:23,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2021-11-02 22:24:23,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:24:23,961 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:24:23,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2021-11-02 22:24:23,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:24:24,012 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:24:24,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24 WrapperNode [2021-11-02 22:24:24,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:24:24,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:24:24,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:24:24,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:24:24,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:24:24,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:24:24,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:24:24,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:24:24,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:24:24,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:24:24,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:24:24,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:24:24,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (1/1) ... [2021-11-02 22:24:24,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:24:24,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:24,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:24,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:24:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:24:24,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:24:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:24:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:24:24,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:24:24,572 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-11-02 22:24:24,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:24 BoogieIcfgContainer [2021-11-02 22:24:24,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:24:24,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:24:24,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:24:24,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:24:24,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:24:23" (1/3) ... [2021-11-02 22:24:24,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705c4bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:24:24, skipping insertion in model container [2021-11-02 22:24:24,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:24" (2/3) ... [2021-11-02 22:24:24,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705c4bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:24:24, skipping insertion in model container [2021-11-02 22:24:24,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:24" (3/3) ... [2021-11-02 22:24:24,583 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2021-11-02 22:24:24,588 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:24:24,588 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:24:24,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:24:24,678 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 [2021-11-02 22:24:24,679 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:24:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 68 states have (on average 1.9264705882352942) internal successors, (131), 69 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:24:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-02 22:24:24,713 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:24:24,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:24:24,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:24:24,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:24,720 INFO L85 PathProgramCache]: Analyzing trace with hash 352571322, now seen corresponding path program 1 times [2021-11-02 22:24:24,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:24,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985229511] [2021-11-02 22:24:24,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:24,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:24:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:24:24,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:24:24,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985229511] [2021-11-02 22:24:24,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985229511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:24:24,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:24:24,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:24:24,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468672365] [2021-11-02 22:24:24,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:24:24,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:24:24,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:24:24,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:24:24,947 INFO L87 Difference]: Start difference. First operand has 70 states, 68 states have (on average 1.9264705882352942) internal successors, (131), 69 states have internal predecessors, (131), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:24:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:24:24,973 INFO L93 Difference]: Finished difference Result 133 states and 252 transitions. [2021-11-02 22:24:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:24:24,974 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2021-11-02 22:24:24,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:24:24,980 INFO L225 Difference]: With dead ends: 133 [2021-11-02 22:24:24,980 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 22:24:24,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:24:24,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 22:24:24,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 22:24:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:24:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 22:24:25,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2021-11-02 22:24:25,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:24:25,001 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:24:25,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:24:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:24:25,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 22:24:25,003 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:24:25,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:24:25,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 22:24:25,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:24:25,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:24:25,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:24:25,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:24:25,021 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-11-02 22:24:25,021 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 198) no Hoare annotation was computed. [2021-11-02 22:24:25,021 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 66) no Hoare annotation was computed. [2021-11-02 22:24:25,022 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 269) no Hoare annotation was computed. [2021-11-02 22:24:25,022 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-11-02 22:24:25,022 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 22:24:25,022 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 253) no Hoare annotation was computed. [2021-11-02 22:24:25,022 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 134) no Hoare annotation was computed. [2021-11-02 22:24:25,023 INFO L860 garLoopResultBuilder]: At program point L20(lines 20 363) the Hoare annotation is: true [2021-11-02 22:24:25,023 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 183) no Hoare annotation was computed. [2021-11-02 22:24:25,023 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 118) no Hoare annotation was computed. [2021-11-02 22:24:25,024 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 137) no Hoare annotation was computed. [2021-11-02 22:24:25,024 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 196) no Hoare annotation was computed. [2021-11-02 22:24:25,024 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 102) no Hoare annotation was computed. [2021-11-02 22:24:25,024 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 64) no Hoare annotation was computed. [2021-11-02 22:24:25,025 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 238) no Hoare annotation was computed. [2021-11-02 22:24:25,025 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 86) no Hoare annotation was computed. [2021-11-02 22:24:25,025 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 168) no Hoare annotation was computed. [2021-11-02 22:24:25,025 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 132) no Hoare annotation was computed. [2021-11-02 22:24:25,025 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 181) no Hoare annotation was computed. [2021-11-02 22:24:25,026 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 355) no Hoare annotation was computed. [2021-11-02 22:24:25,026 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 116) no Hoare annotation was computed. [2021-11-02 22:24:25,026 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-11-02 22:24:25,026 INFO L857 garLoopResultBuilder]: For program point L89(lines 89 100) no Hoare annotation was computed. [2021-11-02 22:24:25,027 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-11-02 22:24:25,027 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 153) no Hoare annotation was computed. [2021-11-02 22:24:25,027 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 84) no Hoare annotation was computed. [2021-11-02 22:24:25,027 INFO L860 garLoopResultBuilder]: At program point L354(lines 28 358) the Hoare annotation is: true [2021-11-02 22:24:25,028 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 166) no Hoare annotation was computed. [2021-11-02 22:24:25,028 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 352) no Hoare annotation was computed. [2021-11-02 22:24:25,028 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 22:24:25,028 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 192) no Hoare annotation was computed. [2021-11-02 22:24:25,028 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 60) no Hoare annotation was computed. [2021-11-02 22:24:25,029 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 151) no Hoare annotation was computed. [2021-11-02 22:24:25,029 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 337) no Hoare annotation was computed. [2021-11-02 22:24:25,029 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 127) no Hoare annotation was computed. [2021-11-02 22:24:25,029 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 350) no Hoare annotation was computed. [2021-11-02 22:24:25,030 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 322) no Hoare annotation was computed. [2021-11-02 22:24:25,030 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 177) no Hoare annotation was computed. [2021-11-02 22:24:25,030 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 111) no Hoare annotation was computed. [2021-11-02 22:24:25,030 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 306) no Hoare annotation was computed. [2021-11-02 22:24:25,030 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 95) no Hoare annotation was computed. [2021-11-02 22:24:25,031 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2021-11-02 22:24:25,031 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 335) no Hoare annotation was computed. [2021-11-02 22:24:25,031 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 162) no Hoare annotation was computed. [2021-11-02 22:24:25,031 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 22:24:25,032 INFO L860 garLoopResultBuilder]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2021-11-02 22:24:25,032 INFO L857 garLoopResultBuilder]: For program point L28-3(lines 28 358) no Hoare annotation was computed. [2021-11-02 22:24:25,032 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 320) no Hoare annotation was computed. [2021-11-02 22:24:25,032 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 290) no Hoare annotation was computed. [2021-11-02 22:24:25,033 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 304) no Hoare annotation was computed. [2021-11-02 22:24:25,033 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 147) no Hoare annotation was computed. [2021-11-02 22:24:25,033 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 275) no Hoare annotation was computed. [2021-11-02 22:24:25,033 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2021-11-02 22:24:25,034 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 288) no Hoare annotation was computed. [2021-11-02 22:24:25,034 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 260) no Hoare annotation was computed. [2021-11-02 22:24:25,034 INFO L853 garLoopResultBuilder]: At program point L345(lines 20 363) the Hoare annotation is: false [2021-11-02 22:24:25,034 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 331) no Hoare annotation was computed. [2021-11-02 22:24:25,035 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 273) no Hoare annotation was computed. [2021-11-02 22:24:25,035 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 244) no Hoare annotation was computed. [2021-11-02 22:24:25,035 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 22:24:25,035 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 315) no Hoare annotation was computed. [2021-11-02 22:24:25,036 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 362) no Hoare annotation was computed. [2021-11-02 22:24:25,036 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 258) no Hoare annotation was computed. [2021-11-02 22:24:25,036 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 299) no Hoare annotation was computed. [2021-11-02 22:24:25,036 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 229) no Hoare annotation was computed. [2021-11-02 22:24:25,036 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 242) no Hoare annotation was computed. [2021-11-02 22:24:25,037 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-11-02 22:24:25,037 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 284) no Hoare annotation was computed. [2021-11-02 22:24:25,037 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 69) no Hoare annotation was computed. [2021-11-02 22:24:25,041 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-02 22:24:25,042 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:24:25,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:24:25 BoogieIcfgContainer [2021-11-02 22:24:25,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:24:25,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:24:25,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:24:25,053 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:24:25,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:24" (3/4) ... [2021-11-02 22:24:25,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:24:25,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-02 22:24:25,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:24:25,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:24:25,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:24:25,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:24:25,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:24:25,113 INFO L168 Benchmark]: Toolchain (without parser) took 1439.62 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 46.9 MB in the beginning and 61.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:25,117 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 54.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:24:25,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.12 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 46.6 MB in the beginning and 81.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:25,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.19 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 78.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:25,119 INFO L168 Benchmark]: Boogie Preprocessor took 30.50 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 77.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:25,120 INFO L168 Benchmark]: RCFGBuilder took 455.04 ms. Allocated memory is still 107.0 MB. Free memory was 77.1 MB in the beginning and 60.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:25,120 INFO L168 Benchmark]: TraceAbstraction took 475.45 ms. Allocated memory is still 107.0 MB. Free memory was 60.3 MB in the beginning and 63.3 MB in the end (delta: -3.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:24:25,121 INFO L168 Benchmark]: Witness Printer took 59.13 ms. Allocated memory is still 107.0 MB. Free memory was 63.3 MB in the beginning and 61.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:25,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 54.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.12 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 46.6 MB in the beginning and 81.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.19 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 78.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.50 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 77.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 455.04 ms. Allocated memory is still 107.0 MB. Free memory was 77.1 MB in the beginning and 60.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 475.45 ms. Allocated memory is still 107.0 MB. Free memory was 60.3 MB in the beginning and 63.3 MB in the end (delta: -3.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 59.13 ms. Allocated memory is still 107.0 MB. Free memory was 63.3 MB in the beginning and 61.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 362]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 70 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-02 22:24:25,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099950b6-fe23-4c54-bddf-068bfd93fbc9/bin/uautomizer-tBqnrhUYjU/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 Result: TRUE