./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a --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 72afb7e2fef67e92af6cd96223794441a1933610ae2e28bcd8b3509d9f7d2eed --- 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-b5237d8 [2022-11-21 17:00:08,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:00:08,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:00:08,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:00:08,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:00:08,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:00:08,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:00:08,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:00:08,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:00:08,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:00:08,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:00:08,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:00:08,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:00:08,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:00:08,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:00:08,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:00:08,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:00:08,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:00:08,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:00:08,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:00:08,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:00:08,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:00:08,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:00:08,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:00:08,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:00:08,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:00:08,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:00:08,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:00:08,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:00:08,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:00:08,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:00:08,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:00:08,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:00:08,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:00:08,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:00:08,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:00:08,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:00:08,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:00:08,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:00:08,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:00:08,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:00:08,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 17:00:08,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:00:08,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:00:08,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:00:08,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:00:08,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:00:08,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:00:08,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:00:08,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:00:08,467 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:00:08,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:00:08,468 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:00:08,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:00:08,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:00:08,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:00:08,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:00:08,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:00:08,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:00:08,469 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:00:08,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:00:08,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:00:08,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:00:08,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:00:08,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:00:08,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:00:08,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:00:08,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:00:08,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:00:08,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:00:08,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:00:08,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:00:08,472 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:00:08,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:00:08,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:00:08,472 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_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72afb7e2fef67e92af6cd96223794441a1933610ae2e28bcd8b3509d9f7d2eed [2022-11-21 17:00:08,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:00:08,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:00:08,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:00:08,724 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:00:08,724 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:00:08,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-regression/test10.c [2022-11-21 17:00:11,903 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:00:12,124 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:00:12,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/sv-benchmarks/c/ldv-regression/test10.c [2022-11-21 17:00:12,131 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/data/9a18ac5c9/13789bd75ece481d8e468a71b3034795/FLAG4a018f683 [2022-11-21 17:00:12,149 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/data/9a18ac5c9/13789bd75ece481d8e468a71b3034795 [2022-11-21 17:00:12,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:00:12,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:00:12,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:00:12,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:00:12,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:00:12,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12, skipping insertion in model container [2022-11-21 17:00:12,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:00:12,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:00:12,355 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_fc549445-2583-4eaa-9523-1b5e6dd5209e/sv-benchmarks/c/ldv-regression/test10.c[715,728] [2022-11-21 17:00:12,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:00:12,370 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:00:12,386 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_fc549445-2583-4eaa-9523-1b5e6dd5209e/sv-benchmarks/c/ldv-regression/test10.c[715,728] [2022-11-21 17:00:12,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:00:12,401 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:00:12,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12 WrapperNode [2022-11-21 17:00:12,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:00:12,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:00:12,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:00:12,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:00:12,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,437 INFO L138 Inliner]: procedures = 16, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-11-21 17:00:12,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:00:12,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:00:12,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:00:12,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:00:12,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:00:12,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:00:12,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:00:12,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:00:12,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (1/1) ... [2022-11-21 17:00:12,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:00:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:12,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:00:12,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:00:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:00:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:00:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:00:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:00:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:00:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:00:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:00:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:00:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:00:12,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:00:12,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:00:12,931 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:00:12,936 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:00:12,937 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:00:12,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:12 BoogieIcfgContainer [2022-11-21 17:00:12,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:00:12,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:00:12,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:00:12,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:00:12,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:00:12" (1/3) ... [2022-11-21 17:00:12,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ff7fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:00:12, skipping insertion in model container [2022-11-21 17:00:12,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:12" (2/3) ... [2022-11-21 17:00:12,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ff7fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:00:12, skipping insertion in model container [2022-11-21 17:00:12,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:12" (3/3) ... [2022-11-21 17:00:12,949 INFO L112 eAbstractionObserver]: Analyzing ICFG test10.c [2022-11-21 17:00:12,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:00:12,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:00:13,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:00:13,027 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;@5f35b822, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:00:13,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:00:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-11-21 17:00:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 17:00:13,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:13,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:00:13,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:13,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:13,046 INFO L85 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2022-11-21 17:00:13,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:13,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155941555] [2022-11-21 17:00:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:13,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:14,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:14,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155941555] [2022-11-21 17:00:14,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155941555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:14,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:14,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:00:14,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775805235] [2022-11-21 17:00:14,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:14,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:00:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:00:14,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:00:14,902 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-21 17:00:15,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:15,098 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-21 17:00:15,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:00:15,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-11-21 17:00:15,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:15,108 INFO L225 Difference]: With dead ends: 16 [2022-11-21 17:00:15,109 INFO L226 Difference]: Without dead ends: 7 [2022-11-21 17:00:15,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:15,115 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:15,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:15,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-21 17:00:15,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-21 17:00:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-11-21 17:00:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-11-21 17:00:15,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-11-21 17:00:15,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:15,148 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-11-21 17:00:15,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-21 17:00:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-21 17:00:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 17:00:15,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:15,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:00:15,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:00:15,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:15,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2022-11-21 17:00:15,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:15,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717759398] [2022-11-21 17:00:15,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:15,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:15,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717759398] [2022-11-21 17:00:15,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717759398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:15,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:15,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:00:15,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10386631] [2022-11-21 17:00:15,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:15,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:00:15,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:15,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:00:15,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:15,653 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-11-21 17:00:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:15,871 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-11-21 17:00:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:00:15,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2022-11-21 17:00:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:15,872 INFO L225 Difference]: With dead ends: 7 [2022-11-21 17:00:15,872 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:00:15,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:00:15,874 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:15,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:00:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:00:15,875 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) [2022-11-21 17:00:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:00:15,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-21 17:00:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:15,876 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:00:15,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-11-21 17:00:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:00:15,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:00:15,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:00:15,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:00:15,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:00:15,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:00:15,929 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:00:15,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:00:15,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:00:15,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2022-11-21 17:00:15,936 INFO L895 garLoopResultBuilder]: At program point L50(lines 18 51) the Hoare annotation is: (and (= ~pp2~0.base |~#p1~0.base|) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#p2~0.base| |~#a~0.base|)) (= |~#p1~0.base| 6) (not (= ~pp2~0.base |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| ~pp2~0.base) |~#p1~0.offset|) |~#b~0.base|) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| 6))) [2022-11-21 17:00:15,936 INFO L895 garLoopResultBuilder]: At program point L15(lines 11 16) the Hoare annotation is: (and (= ~pp2~0.base |~#p1~0.base|) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#p2~0.base| |~#a~0.base|)) (= |~#p1~0.base| 6) (not (= ~pp2~0.base |~#a~0.base|)) (= |~#p1~0.offset| ~pp2~0.offset) (= (select (select |#memory_$Pointer$.base| ~pp2~0.base) |~#p1~0.offset|) |~#b~0.base|) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| 6))) [2022-11-21 17:00:15,936 INFO L895 garLoopResultBuilder]: At program point L44(lines 18 51) the Hoare annotation is: false [2022-11-21 17:00:15,937 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-21 17:00:15,937 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2022-11-21 17:00:15,940 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 17:00:15,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:00:15,961 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:15,962 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:00:15,971 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:15,972 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:00:15,974 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:15,976 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:00:15,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:15,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:00:15,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:00:15 BoogieIcfgContainer [2022-11-21 17:00:15,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:00:15,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:00:15,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:00:15,985 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:00:15,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:12" (3/4) ... [2022-11-21 17:00:15,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:00:15,997 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 17:00:15,998 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 17:00:15,998 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:00:15,998 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:00:16,053 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:00:16,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:00:16,054 INFO L158 Benchmark]: Toolchain (without parser) took 3897.01ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 120.3MB in the beginning and 155.3MB in the end (delta: -35.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-21 17:00:16,055 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:00:16,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.05ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 110.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:00:16,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.53ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:00:16,055 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 107.4MB in the end (delta: 907.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:00:16,056 INFO L158 Benchmark]: RCFGBuilder took 477.94ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 90.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:00:16,056 INFO L158 Benchmark]: TraceAbstraction took 3041.60ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 90.6MB in the beginning and 158.4MB in the end (delta: -67.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:00:16,056 INFO L158 Benchmark]: Witness Printer took 69.22ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 155.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:00:16,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.05ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 110.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.53ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 107.4MB in the end (delta: 907.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.94ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 90.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3041.60ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 90.6MB in the beginning and 158.4MB in the end (delta: -67.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.22ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 155.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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: 49]: 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 78 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11]: Loop Invariant [2022-11-21 17:00:16,079 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:16,080 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:00:16,082 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:16,084 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((pp2 == p1 && #memory_$Pointer$[p1][p1] == b) && !(p2 == a)) && p1 == 6) && !(pp2 == a)) && p1 == pp2) && #memory_$Pointer$[pp2][p1] == b) && !(b == p2)) && !(b == 6) - InvariantResult [Line: 18]: Loop Invariant [2022-11-21 17:00:16,085 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:16,085 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:00:16,086 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:00:16,086 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((pp2 == p1 && #memory_$Pointer$[p1][p1] == b) && !(p2 == a)) && p1 == 6) && !(pp2 == a)) && #memory_$Pointer$[pp2][p1] == b) && !(b == p2)) && !(b == 6) RESULT: Ultimate proved your program to be correct! [2022-11-21 17:00:16,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc549445-2583-4eaa-9523-1b5e6dd5209e/bin/uautomizer-vX5HgA9Q3a/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 Writing output log to file Ultimate.log Result: TRUE