./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB --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 e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:10:56,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:10:56,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:10:56,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:10:56,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:10:56,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:10:57,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:10:57,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:10:57,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:10:57,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:10:57,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:10:57,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:10:57,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:10:57,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:10:57,005 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:10:57,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:10:57,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:10:57,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:10:57,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:10:57,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:10:57,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:10:57,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:10:57,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:10:57,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:10:57,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:10:57,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:10:57,008 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:10:57,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:10:57,008 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:10:57,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:10:57,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:10:57,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:10:57,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:10:57,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:10:57,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:10:57,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:10:57,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:10:57,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:10:57,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:10:57,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:10:57,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:10:57,012 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB 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 -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 [2024-11-27 20:10:57,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:10:57,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:10:57,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:10:57,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:10:57,406 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:10:57,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-11-27 20:11:00,751 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/data/460f1ec56/e4063482c7cc425bb86b8aeae0a7aec3/FLAG24dfc9a51 [2024-11-27 20:11:01,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:11:01,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-11-27 20:11:01,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/data/460f1ec56/e4063482c7cc425bb86b8aeae0a7aec3/FLAG24dfc9a51 [2024-11-27 20:11:01,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/data/460f1ec56/e4063482c7cc425bb86b8aeae0a7aec3 [2024-11-27 20:11:01,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:11:01,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:11:01,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:01,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:11:01,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:11:01,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce9f962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01, skipping insertion in model container [2024-11-27 20:11:01,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:11:01,625 WARN L250 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_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2024-11-27 20:11:01,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:01,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:11:01,686 WARN L250 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_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2024-11-27 20:11:01,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:01,722 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:11:01,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01 WrapperNode [2024-11-27 20:11:01,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:01,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:01,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:11:01,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:11:01,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,771 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-27 20:11:01,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:01,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:11:01,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:11:01,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:11:01,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,806 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:11:01,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:11:01,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:11:01,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:11:01,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:11:01,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (1/1) ... [2024-11-27 20:11:01,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:01,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:11:01,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:11:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:11:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:11:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:11:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:11:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:11:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:11:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:11:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:11:02,002 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:11:02,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:11:02,220 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:11:02,220 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:11:02,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:11:02,231 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:11:02,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:02 BoogieIcfgContainer [2024-11-27 20:11:02,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:11:02,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:11:02,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:11:02,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:11:02,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:11:01" (1/3) ... [2024-11-27 20:11:02,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5295530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:02, skipping insertion in model container [2024-11-27 20:11:02,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:01" (2/3) ... [2024-11-27 20:11:02,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5295530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:02, skipping insertion in model container [2024-11-27 20:11:02,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:02" (3/3) ... [2024-11-27 20:11:02,244 INFO L128 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound5.c [2024-11-27 20:11:02,267 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:11:02,271 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo3-ll_valuebound5.c that has 3 procedures, 25 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:11:02,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:11:02,379 INFO L333 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, 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;@15cf989c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:11:02,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:11:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:11:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-27 20:11:02,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:02,395 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:02,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:02,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:02,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1261938900, now seen corresponding path program 1 times [2024-11-27 20:11:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:02,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694711752] [2024-11-27 20:11:02,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 20:11:02,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:02,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694711752] [2024-11-27 20:11:02,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694711752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:02,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760094059] [2024-11-27 20:11:02,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:02,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:02,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:02,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:02,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:11:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:02,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:11:02,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 20:11:02,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:11:02,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760094059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:02,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:02,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:11:02,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296540058] [2024-11-27 20:11:02,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:02,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:11:02,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:02,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:11:02,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:11:02,826 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:11:02,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:02,847 INFO L93 Difference]: Finished difference Result 47 states and 65 transitions. [2024-11-27 20:11:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:11:02,849 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2024-11-27 20:11:02,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:02,858 INFO L225 Difference]: With dead ends: 47 [2024-11-27 20:11:02,858 INFO L226 Difference]: Without dead ends: 21 [2024-11-27 20:11:02,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:11:02,865 INFO L435 NwaCegarLoop]: 28 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, 28 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 [2024-11-27 20:11:02,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:11:02,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-27 20:11:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-27 20:11:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:11:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-27 20:11:02,906 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 24 [2024-11-27 20:11:02,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:02,906 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-27 20:11:02,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:11:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-27 20:11:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-27 20:11:02,909 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:02,909 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:02,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:03,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:11:03,114 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:03,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1376173426, now seen corresponding path program 1 times [2024-11-27 20:11:03,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:03,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290582722] [2024-11-27 20:11:03,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:03,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:11:03,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137555324] [2024-11-27 20:11:03,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:03,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:03,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:03,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:03,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:11:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:03,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:11:03,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:11:03,535 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:11:03,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:03,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290582722] [2024-11-27 20:11:03,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:03,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137555324] [2024-11-27 20:11:03,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137555324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:03,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:03,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:11:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092190503] [2024-11-27 20:11:03,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:03,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:11:03,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:03,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:11:03,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:11:03,540 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 20:11:03,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:03,622 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-11-27 20:11:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:11:03,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-27 20:11:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:03,624 INFO L225 Difference]: With dead ends: 30 [2024-11-27 20:11:03,624 INFO L226 Difference]: Without dead ends: 27 [2024-11-27 20:11:03,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:11:03,625 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:03,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 76 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:11:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-27 20:11:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-27 20:11:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:11:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-27 20:11:03,634 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 24 [2024-11-27 20:11:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:03,635 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-27 20:11:03,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 20:11:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-27 20:11:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-27 20:11:03,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:03,637 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:03,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:11:03,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:03,838 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:03,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:03,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1263667812, now seen corresponding path program 1 times [2024-11-27 20:11:03,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:03,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256083794] [2024-11-27 20:11:03,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:03,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:11:03,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887394796] [2024-11-27 20:11:03,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:03,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:03,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:11:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:04,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:11:04,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:11:04,255 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:11:04,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:04,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256083794] [2024-11-27 20:11:04,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:04,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887394796] [2024-11-27 20:11:04,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887394796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:11:04,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:11:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-27 20:11:04,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840411126] [2024-11-27 20:11:04,605 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:04,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:11:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:04,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:11:04,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:11:04,607 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:11:04,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:04,740 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2024-11-27 20:11:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:11:04,741 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2024-11-27 20:11:04,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:04,742 INFO L225 Difference]: With dead ends: 30 [2024-11-27 20:11:04,742 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:11:04,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:11:04,744 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:04,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 101 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:11:04,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:11:04,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:11:04,746 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) [2024-11-27 20:11:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:11:04,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-27 20:11:04,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:04,746 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:11:04,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:11:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:11:04,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:11:04,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:11:04,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:11:04,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:04,958 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 20:11:04,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:11:05,052 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:11:05,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:11:05 BoogieIcfgContainer [2024-11-27 20:11:05,073 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:11:05,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:11:05,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:11:05,076 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:11:05,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:02" (3/4) ... [2024-11-27 20:11:05,080 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:11:05,086 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 20:11:05,086 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-27 20:11:05,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-27 20:11:05,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 20:11:05,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:11:05,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:11:05,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:11:05,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:11:05,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:11:05,211 INFO L158 Benchmark]: Toolchain (without parser) took 3844.33ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 89.2MB in the end (delta: 5.1MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-27 20:11:05,211 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:05,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.65ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:11:05,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.84ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:05,212 INFO L158 Benchmark]: Boogie Preprocessor took 56.91ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:05,212 INFO L158 Benchmark]: RCFGBuilder took 401.72ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 69.9MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:11:05,213 INFO L158 Benchmark]: TraceAbstraction took 2839.08ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 43.0MB in the end (delta: 26.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-27 20:11:05,213 INFO L158 Benchmark]: Witness Printer took 134.03ms. Allocated memory is still 117.4MB. Free memory was 43.0MB in the beginning and 89.2MB in the end (delta: -46.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-27 20:11:05,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.65ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.84ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.91ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.72ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 69.9MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2839.08ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 43.0MB in the end (delta: 26.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 134.03ms. Allocated memory is still 117.4MB. Free memory was 43.0MB in the beginning and 89.2MB in the end (delta: -46.1MB). Peak memory consumption was 8.7MB. 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: 17]: 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 3 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 67 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 2 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 59/66 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((__int128) x * z) + a) == (x + ((__int128) az * y))) RESULT: Ultimate proved your program to be correct! [2024-11-27 20:11:05,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42f8cf-9b8d-45e4-b9d4-02222aff9a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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