./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:24,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:24,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:03:24,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:24,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:24,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:24,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:24,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:24,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:03:24,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:03:24,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:24,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:24,526 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:24,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:24,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:03:24,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:24,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:24,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:24,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:24,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:03:24,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:03:24,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:03:24,534 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:24,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:24,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:24,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:24,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:24,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:03:24,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:24,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:24,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:03:24,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:03:24,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:24,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:03:24,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:03:24,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:03:24,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:03:24,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:03:24,541 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:03:24,542 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 [2023-11-19 08:03:24,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:24,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:24,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:24,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:24,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:24,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2023-11-19 08:03:28,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:28,443 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:28,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2023-11-19 08:03:28,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/data/f791a3a16/04b2460ed8534883bff0620e16799543/FLAGd38750653 [2023-11-19 08:03:28,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/data/f791a3a16/04b2460ed8534883bff0620e16799543 [2023-11-19 08:03:28,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:28,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:28,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:28,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:28,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:28,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:28,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33836b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28, skipping insertion in model container [2023-11-19 08:03:28,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:28,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:03:28,794 WARN L240 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_cf8e5cba-ec7e-4cec-b551-b988810b5c50/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2023-11-19 08:03:28,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:28,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:03:28,923 WARN L240 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_cf8e5cba-ec7e-4cec-b551-b988810b5c50/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2023-11-19 08:03:28,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:28,949 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:03:28,956 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:03:28,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28 WrapperNode [2023-11-19 08:03:28,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:28,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:28,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:03:28,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:03:28,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:28,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,034 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 454 [2023-11-19 08:03:29,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:29,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:29,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:29,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:29,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:29,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:29,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:29,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:29,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (1/1) ... [2023-11-19 08:03:29,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:29,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:29,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:03:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-11-19 08:03:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-11-19 08:03:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:03:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:03:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:03:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:03:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:03:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 08:03:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-11-19 08:03:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-11-19 08:03:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:03:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-11-19 08:03:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-11-19 08:03:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:03:29,415 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:29,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:30,220 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:30,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:30,231 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 08:03:30,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:30 BoogieIcfgContainer [2023-11-19 08:03:30,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:30,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:30,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:30,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:30,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:28" (1/3) ... [2023-11-19 08:03:30,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7884a33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:30, skipping insertion in model container [2023-11-19 08:03:30,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:28" (2/3) ... [2023-11-19 08:03:30,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7884a33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:30, skipping insertion in model container [2023-11-19 08:03:30,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:30" (3/3) ... [2023-11-19 08:03:30,247 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2023-11-19 08:03:30,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:30,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:03:30,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:30,326 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=LoopHeads, 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;@1adcd7ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:30,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:03:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 92 states have (on average 1.608695652173913) internal successors, (148), 93 states have internal predecessors, (148), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 08:03:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 08:03:30,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:30,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:30,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:30,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 726971635, now seen corresponding path program 1 times [2023-11-19 08:03:30,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:30,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458856547] [2023-11-19 08:03:30,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:30,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:30,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 08:03:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:30,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:30,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458856547] [2023-11-19 08:03:30,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458856547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:30,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:30,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:30,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833358828] [2023-11-19 08:03:30,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:30,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:03:30,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:30,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:03:30,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:03:30,834 INFO L87 Difference]: Start difference. First operand has 105 states, 92 states have (on average 1.608695652173913) internal successors, (148), 93 states have internal predecessors, (148), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:30,880 INFO L93 Difference]: Finished difference Result 205 states and 328 transitions. [2023-11-19 08:03:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:03:30,882 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-19 08:03:30,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:30,892 INFO L225 Difference]: With dead ends: 205 [2023-11-19 08:03:30,899 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 08:03:30,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:03:30,913 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:30,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 08:03:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-19 08:03:30,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 87 states have (on average 1.528735632183908) internal successors, (133), 88 states have internal predecessors, (133), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 08:03:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 148 transitions. [2023-11-19 08:03:30,964 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 148 transitions. Word has length 30 [2023-11-19 08:03:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:30,965 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 148 transitions. [2023-11-19 08:03:30,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2023-11-19 08:03:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 08:03:30,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:30,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:30,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:03:30,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:30,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash -82374991, now seen corresponding path program 1 times [2023-11-19 08:03:30,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:30,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663196291] [2023-11-19 08:03:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 08:03:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:31,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663196291] [2023-11-19 08:03:31,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663196291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:31,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:31,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:03:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837702456] [2023-11-19 08:03:31,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:31,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:31,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:31,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:31,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:31,267 INFO L87 Difference]: Start difference. First operand 99 states and 148 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:31,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:31,327 INFO L93 Difference]: Finished difference Result 120 states and 175 transitions. [2023-11-19 08:03:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:31,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-19 08:03:31,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:31,329 INFO L225 Difference]: With dead ends: 120 [2023-11-19 08:03:31,329 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:03:31,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:31,332 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 3 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:31,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 423 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:03:31,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:03:31,335 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) [2023-11-19 08:03:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:03:31,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-11-19 08:03:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:31,336 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:31,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:03:31,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:03:31,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:03:31,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:03:31,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:03:31,375 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2023-11-19 08:03:31,375 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2023-11-19 08:03:31,376 INFO L899 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2023-11-19 08:03:31,376 INFO L899 garLoopResultBuilder]: For program point L209-3(line 209) no Hoare annotation was computed. [2023-11-19 08:03:31,377 INFO L899 garLoopResultBuilder]: For program point L209-4(lines 209 225) no Hoare annotation was computed. [2023-11-19 08:03:31,377 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-11-19 08:03:31,377 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2023-11-19 08:03:31,377 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2023-11-19 08:03:31,377 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2023-11-19 08:03:31,378 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-11-19 08:03:31,378 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-11-19 08:03:31,380 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-11-19 08:03:31,380 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2023-11-19 08:03:31,380 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-11-19 08:03:31,381 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 194 248) no Hoare annotation was computed. [2023-11-19 08:03:31,382 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-11-19 08:03:31,385 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-19 08:03:31,385 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2023-11-19 08:03:31,386 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2023-11-19 08:03:31,386 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2023-11-19 08:03:31,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-11-19 08:03:31,387 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2023-11-19 08:03:31,388 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2023-11-19 08:03:31,389 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-11-19 08:03:31,389 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-11-19 08:03:31,389 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-11-19 08:03:31,389 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2023-11-19 08:03:31,390 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-11-19 08:03:31,390 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-11-19 08:03:31,390 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2023-11-19 08:03:31,390 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-11-19 08:03:31,391 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-19 08:03:31,391 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2023-11-19 08:03:31,391 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-11-19 08:03:31,391 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-11-19 08:03:31,391 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-11-19 08:03:31,392 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-11-19 08:03:31,392 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-11-19 08:03:31,392 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-11-19 08:03:31,392 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-11-19 08:03:31,393 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-11-19 08:03:31,393 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-11-19 08:03:31,393 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-11-19 08:03:31,393 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92_returnLabel#1(lines 249 279) no Hoare annotation was computed. [2023-11-19 08:03:31,393 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-11-19 08:03:31,394 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-11-19 08:03:31,394 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2023-11-19 08:03:31,394 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-11-19 08:03:31,394 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-11-19 08:03:31,395 INFO L899 garLoopResultBuilder]: For program point L298-2(line 298) no Hoare annotation was computed. [2023-11-19 08:03:31,395 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-11-19 08:03:31,395 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-11-19 08:03:31,395 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-11-19 08:03:31,396 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-11-19 08:03:31,396 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2023-11-19 08:03:31,396 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-11-19 08:03:31,396 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2023-11-19 08:03:31,396 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2023-11-19 08:03:31,397 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2023-11-19 08:03:31,397 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2023-11-19 08:03:31,397 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-11-19 08:03:31,397 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-11-19 08:03:31,397 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-11-19 08:03:31,398 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2023-11-19 08:03:31,398 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-11-19 08:03:31,398 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:03:31,398 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-11-19 08:03:31,399 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2023-11-19 08:03:31,399 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-11-19 08:03:31,399 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2023-11-19 08:03:31,399 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2023-11-19 08:03:31,399 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2023-11-19 08:03:31,400 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-11-19 08:03:31,400 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2023-11-19 08:03:31,400 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:03:31,400 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96_returnLabel#1(lines 300 330) no Hoare annotation was computed. [2023-11-19 08:03:31,400 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2023-11-19 08:03:31,401 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-11-19 08:03:31,401 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-11-19 08:03:31,401 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-11-19 08:03:31,401 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 458) no Hoare annotation was computed. [2023-11-19 08:03:31,401 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-11-19 08:03:31,402 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-11-19 08:03:31,402 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-11-19 08:03:31,402 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99_returnLabel#1(lines 400 419) no Hoare annotation was computed. [2023-11-19 08:03:31,402 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-11-19 08:03:31,403 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-11-19 08:03:31,403 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-11-19 08:03:31,403 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:03:31,403 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-11-19 08:03:31,403 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-11-19 08:03:31,404 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97_returnLabel#1(lines 331 399) no Hoare annotation was computed. [2023-11-19 08:03:31,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:03:31,404 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-11-19 08:03:31,404 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100_returnLabel#1(lines 420 426) no Hoare annotation was computed. [2023-11-19 08:03:31,404 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-11-19 08:03:31,405 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2023-11-19 08:03:31,405 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-11-19 08:03:31,405 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-11-19 08:03:31,405 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-11-19 08:03:31,405 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-11-19 08:03:31,406 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-19 08:03:31,406 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2023-11-19 08:03:31,406 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-19 08:03:31,406 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2023-11-19 08:03:31,410 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:03:31,412 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:03:31,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:03:31 BoogieIcfgContainer [2023-11-19 08:03:31,423 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:03:31,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:03:31,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:03:31,424 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:03:31,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:30" (3/4) ... [2023-11-19 08:03:31,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:03:31,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2023-11-19 08:03:31,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2023-11-19 08:03:31,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2023-11-19 08:03:31,458 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2023-11-19 08:03:31,459 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 08:03:31,461 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 08:03:31,462 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:03:31,463 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:03:31,465 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:03:31,625 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:03:31,626 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:03:31,626 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:03:31,627 INFO L158 Benchmark]: Toolchain (without parser) took 3150.19ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 118.7MB in the beginning and 184.2MB in the end (delta: -65.5MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,627 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 165.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:31,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.91ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 100.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.04ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 96.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,629 INFO L158 Benchmark]: Boogie Preprocessor took 69.21ms. Allocated memory is still 165.7MB. Free memory was 96.7MB in the beginning and 93.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,629 INFO L158 Benchmark]: RCFGBuilder took 1130.92ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 93.3MB in the beginning and 172.5MB in the end (delta: -79.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,630 INFO L158 Benchmark]: TraceAbstraction took 1183.72ms. Allocated memory is still 226.5MB. Free memory was 171.5MB in the beginning and 98.1MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,630 INFO L158 Benchmark]: Witness Printer took 202.79ms. Allocated memory is still 226.5MB. Free memory was 98.1MB in the beginning and 184.2MB in the end (delta: -86.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-19 08:03:31,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 165.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.91ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 100.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.04ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 96.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.21ms. Allocated memory is still 165.7MB. Free memory was 96.7MB in the beginning and 93.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.92ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 93.3MB in the beginning and 172.5MB in the end (delta: -79.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1183.72ms. Allocated memory is still 226.5MB. Free memory was 171.5MB in the beginning and 98.1MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 202.79ms. Allocated memory is still 226.5MB. Free memory was 98.1MB in the beginning and 184.2MB in the end (delta: -86.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 578 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 297 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 18 LocationsWithAnnotation, 52 PreInvPairs, 67 NumberOfFragments, 18 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 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: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 08:03:31,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf8e5cba-ec7e-4cec-b551-b988810b5c50/bin/uautomizer-verify-uCwYo4JHxu/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