./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx --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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:01:55,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:01:56,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:01:56,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:01:56,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:01:56,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:01:56,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:01:56,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:01:56,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:01:56,146 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:01:56,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:01:56,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:01:56,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:01:56,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:01:56,151 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:01:56,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:01:56,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:01:56,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:01:56,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:01:56,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:01:56,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:01:56,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:01:56,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:01:56,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:01:56,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:01:56,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:01:56,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:01:56,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:01:56,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:01:56,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:01:56,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:01:56,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:56,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:01:56,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:01:56,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:01:56,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:01:56,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:01:56,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:01:56,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:01:56,162 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:01:56,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:01:56,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:01:56,163 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_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2023-11-21 21:01:56,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:01:56,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:01:56,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:01:56,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:01:56,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:01:56,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2023-11-21 21:01:59,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:01:59,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:01:59,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2023-11-21 21:01:59,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/data/420b2ff8c/06ced6a98def4995ae40074be554ef82/FLAG156b4952c [2023-11-21 21:01:59,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/data/420b2ff8c/06ced6a98def4995ae40074be554ef82 [2023-11-21 21:01:59,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:01:59,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:01:59,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:59,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:01:59,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:01:59,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:59" (1/1) ... [2023-11-21 21:01:59,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290d616a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:59, skipping insertion in model container [2023-11-21 21:01:59,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:59" (1/1) ... [2023-11-21 21:01:59,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:00,026 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_c798d885-5da8-4c9a-962e-89efd0bee968/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2023-11-21 21:02:00,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:00,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:00,106 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_c798d885-5da8-4c9a-962e-89efd0bee968/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2023-11-21 21:02:00,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:00,172 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:00,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00 WrapperNode [2023-11-21 21:02:00,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:00,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:00,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:00,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:00,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,239 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2023-11-21 21:02:00,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:00,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:00,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:00,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:00,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,274 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,295 INFO L187 HeapSplitter]: Split 107 memory accesses to 13 slices as follows [2, 7, 13, 12, 6, 12, 9, 8, 12, 7, 5, 10, 4] [2023-11-21 21:02:00,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:00,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:00,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:00,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:00,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:00,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:00,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:00,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:02:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:02:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:02:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:02:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 21:02:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 21:02:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 21:02:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 21:02:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 21:02:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 21:02:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:02:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:02:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:02:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:02:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:02:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:02:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:02:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 21:02:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 21:02:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 21:02:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 21:02:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 21:02:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 21:02:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:02:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:02:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:02:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:02:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:02:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:02:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 21:02:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 21:02:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 21:02:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 21:02:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 21:02:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 21:02:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:00,660 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:00,662 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:01,263 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:02,240 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:02,241 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:02:02,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:02 BoogieIcfgContainer [2023-11-21 21:02:02,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:02,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:02,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:02,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:02,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:01:59" (1/3) ... [2023-11-21 21:02:02,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549ba3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:02, skipping insertion in model container [2023-11-21 21:02:02,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00" (2/3) ... [2023-11-21 21:02:02,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549ba3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:02, skipping insertion in model container [2023-11-21 21:02:02,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:02" (3/3) ... [2023-11-21 21:02:02,255 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-89.i [2023-11-21 21:02:02,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:02,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:02:02,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:02,346 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;@466de34f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:02,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:02:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 21:02:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 21:02:02,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:02,362 INFO L195 NwaCegarLoop]: trace histogram [13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:02,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:02,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:02,370 INFO L85 PathProgramCache]: Analyzing trace with hash 697178181, now seen corresponding path program 1 times [2023-11-21 21:02:02,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:02,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972767323] [2023-11-21 21:02:02,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:02,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:02,663 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:02:02,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939241446] [2023-11-21 21:02:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:02,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:02,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:02,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:02:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:03,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-21 21:02:03,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:03,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:02:04,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:02:05,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:02:06,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:02:07,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:02:13,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1276 treesize of output 1252 [2023-11-21 21:02:13,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1113 treesize of output 1093 [2023-11-21 21:02:13,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 788 treesize of output 776 [2023-11-21 21:02:14,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1268 treesize of output 1216 [2023-11-21 21:02:14,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1236 treesize of output 1200 [2023-11-21 21:02:14,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 798 treesize of output 782 [2023-11-21 21:02:15,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 404 treesize of output 392 [2023-11-21 21:02:15,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 122 [2023-11-21 21:02:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 5 proven. 144 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 21:02:19,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:02:24,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 897 [2023-11-21 21:02:24,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1731 treesize of output 1675 [2023-11-21 21:02:24,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 215 [2023-11-21 21:02:24,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 21:02:24,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 207 treesize of output 217 [2023-11-21 21:02:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972767323] [2023-11-21 21:02:34,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:02:34,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939241446] [2023-11-21 21:02:34,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939241446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:34,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:02:34,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2023-11-21 21:02:34,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784704267] [2023-11-21 21:02:34,177 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-21 21:02:34,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-21 21:02:34,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:34,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 21:02:34,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-11-21 21:02:34,222 INFO L87 Difference]: Start difference. First operand has 35 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 23 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 17 states have internal predecessors, (27), 9 states have call successors, (13), 9 states have call predecessors, (13), 10 states have return successors, (13), 6 states have call predecessors, (13), 9 states have call successors, (13) [2023-11-21 21:02:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:38,648 INFO L93 Difference]: Finished difference Result 105 states and 141 transitions. [2023-11-21 21:02:38,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 21:02:38,652 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 17 states have internal predecessors, (27), 9 states have call successors, (13), 9 states have call predecessors, (13), 10 states have return successors, (13), 6 states have call predecessors, (13), 9 states have call successors, (13) Word has length 56 [2023-11-21 21:02:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:38,658 INFO L225 Difference]: With dead ends: 105 [2023-11-21 21:02:38,659 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:02:38,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=325, Invalid=1481, Unknown=0, NotChecked=0, Total=1806 [2023-11-21 21:02:38,666 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 65 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:38,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 220 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-21 21:02:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:02:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:02:38,694 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) [2023-11-21 21:02:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:02:38,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2023-11-21 21:02:38,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:38,696 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:02:38,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 17 states have internal predecessors, (27), 9 states have call successors, (13), 9 states have call predecessors, (13), 10 states have return successors, (13), 6 states have call predecessors, (13), 9 states have call successors, (13) [2023-11-21 21:02:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:02:38,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:02:38,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:02:38,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 21:02:38,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 21:02:38,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:02:39,025 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 21:02:39,025 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 21:02:39,025 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 21:02:39,025 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 21:02:39,026 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 21:02:39,026 INFO L902 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: true [2023-11-21 21:02:39,026 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-11-21 21:02:39,026 INFO L902 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: true [2023-11-21 21:02:39,026 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-21 21:02:39,026 INFO L902 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: true [2023-11-21 21:02:39,026 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-21 21:02:39,027 INFO L902 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: true [2023-11-21 21:02:39,027 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-11-21 21:02:39,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:02:39,027 INFO L902 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: true [2023-11-21 21:02:39,027 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-21 21:02:39,027 INFO L902 garLoopResultBuilder]: At program point L109-2(lines 109 115) the Hoare annotation is: true [2023-11-21 21:02:39,027 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-11-21 21:02:39,028 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-11-21 21:02:39,028 INFO L902 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: true [2023-11-21 21:02:39,028 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-11-21 21:02:39,028 INFO L902 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: true [2023-11-21 21:02:39,028 INFO L899 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2023-11-21 21:02:39,028 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:02:39,029 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-11-21 21:02:39,029 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-11-21 21:02:39,029 INFO L902 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: true [2023-11-21 21:02:39,029 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-11-21 21:02:39,029 INFO L902 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: true [2023-11-21 21:02:39,029 INFO L899 garLoopResultBuilder]: For program point L81-1(line 81) no Hoare annotation was computed. [2023-11-21 21:02:39,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 21:02:39,030 INFO L902 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: true [2023-11-21 21:02:39,030 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-21 21:02:39,030 INFO L902 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: true [2023-11-21 21:02:39,030 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-11-21 21:02:39,034 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 21:02:39,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:02:39,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:02:39 BoogieIcfgContainer [2023-11-21 21:02:39,045 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:02:39,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:02:39,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:02:39,046 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:02:39,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:02" (3/4) ... [2023-11-21 21:02:39,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:02:39,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 21:02:39,064 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2023-11-21 21:02:39,066 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-21 21:02:39,067 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 21:02:39,068 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:02:39,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:02:39,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:02:39,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:02:39,235 INFO L158 Benchmark]: Toolchain (without parser) took 39413.71ms. Allocated memory was 146.8MB in the beginning and 708.8MB in the end (delta: 562.0MB). Free memory was 110.6MB in the beginning and 256.1MB in the end (delta: -145.5MB). Peak memory consumption was 419.4MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,235 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:39,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.52ms. Allocated memory is still 146.8MB. Free memory was 110.6MB in the beginning and 96.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.44ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 93.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,237 INFO L158 Benchmark]: Boogie Preprocessor took 92.56ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 88.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,237 INFO L158 Benchmark]: RCFGBuilder took 1909.02ms. Allocated memory is still 146.8MB. Free memory was 88.8MB in the beginning and 55.5MB in the end (delta: 33.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,238 INFO L158 Benchmark]: TraceAbstraction took 36798.13ms. Allocated memory was 146.8MB in the beginning and 708.8MB in the end (delta: 562.0MB). Free memory was 54.5MB in the beginning and 266.6MB in the end (delta: -212.1MB). Peak memory consumption was 349.9MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,238 INFO L158 Benchmark]: Witness Printer took 188.78ms. Allocated memory is still 708.8MB. Free memory was 266.6MB in the beginning and 256.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 21:02:39,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.52ms. Allocated memory is still 146.8MB. Free memory was 110.6MB in the beginning and 96.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.44ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 93.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.56ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 88.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1909.02ms. Allocated memory is still 146.8MB. Free memory was 88.8MB in the beginning and 55.5MB in the end (delta: 33.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36798.13ms. Allocated memory was 146.8MB in the beginning and 708.8MB in the end (delta: 562.0MB). Free memory was 54.5MB in the beginning and 266.6MB in the end (delta: -212.1MB). Peak memory consumption was 349.9MB. Max. memory is 16.1GB. * Witness Printer took 188.78ms. Allocated memory is still 708.8MB. Free memory was 266.6MB in the beginning and 256.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 19]: 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 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.7s, OverallIterations: 1, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 538 IncrementalHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 16 mSDtfsCounter, 538 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 53 PreInvPairs, 81 NumberOfFragments, 15 HoareAnnotationTreeSize, 53 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 1352 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 55 ConstructedInterpolants, 52 QuantifiedInterpolants, 3305 SizeOfPredicates, 63 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 12/156 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: 109]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 21:02:39,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c798d885-5da8-4c9a-962e-89efd0bee968/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE